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GRPジャパン

number of employees20
addressHyogo/Chuo-ku, Kobe-shi/6th Floor, Sannomiya Yonemoto Building, 4-2-15 Miyuki-dori
phone0782651671
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last updated:Jun 07, 2022
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VPI Molding Process - Demolding from B-Type Set

Significantly reduce material loss, man-hours, and waste! Introduction of a new molding method.

"Vacuum press molding" is a new molding method that can significantly reduce material loss, labor hours, and waste, while also shortening the molding cycle, improving dimensional stability, and achieving a higher quality appearance (or a smoother laminated surface), serving as an alternative to methods such as HLU/SPU/L-RTM molding. Not only does it enable stable production of the same quality regardless of the operator's skill level, but it also significantly mitigates the issue of substances like styrene, which have become subject to management measures due to the recent amendment of Article 28, Paragraph 3 of the Occupational Safety and Health Act, filling the work environment. Operators no longer need to use rollers for the de-bubbling process. **Benefits of Utilization** - **Environmental Improvement** - Reduction of volatile styrene, a safe and clean working environment, and a significant reduction in industrial waste. - **Quality Enhancement** - Dimensional stability, increased strength, and smoothness of the molded product's laminated surface. **Features of VPI Molding** - Depending on the shape, it can be used for sizes up to approximately 50 m². - Silicone molds can be reused dozens to hundreds of times, making them very economical. - It can also be used for CFRP (CF + Epoxy) molding. *For more details, please refer to the PDF materials or feel free to contact us.*

  • Other polymer materials

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VPI Type B Production

Building a track record of durability! Many customers have achieved over 1,000 molding cycles.

We would like to introduce the "VPI Type B Production" that we handle. This involves infusion molding using silicone membranes. It offers high durability, reduces running costs, and allows for repeated use. The special silicone film used does not transfer silicone components to FRP products. Additionally, there are significant improvements in workability regarding design, preparation, control, and molding. 【Features】 ■ High durability ■ Reduced running costs and capability for repeated use ■ The special silicone film used does not transfer silicone components to FRP products *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials

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Low-priced sales of various glass fibers and resins for FRP

If you want to buy fiberglass and resin cheaply, go to GRP Japan. We are committed to pursuing low prices, high quality, and stable supply.

Our company offers a wide range of "glass fibers and resins for FRP." Utilizing the global network we have cultivated over many years, we provide products that balance low prices and high quality with stable supply. We are confident in our pricing, so please feel free to contact us for a quote. 【Product Lineup】 <Resin Products> ■ Unsaturated Polyester Resin ■ Vinyl Ester Resin ■ Phenolic Resin <Glass Fiber Products> ■ Roving (Direct Roving) ■ Roving (Assembled Roving) ■ Chopped Strand Mat ■ Roving Fabric ■ Combo Flow ■ Stitch Mat ■ Multi-Axial Mat ■ Combo Mat ■ Surface Mat ■ Glass Fabric *For more details, please refer to the materials. Feel free to contact us as well.

  • Glass

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List of Resin Products

Feel free to consult us about anything related to functional resins for FRP!

We mainly manufacture and sell thermosetting resins such as unsaturated polyester resin (UP), vinyl ester resin (VE), and phenolic resin (PH) used as matrices (base materials) for FRP. As a specialized trading company and manufacturer of overseas FRP materials, we leverage our years of accumulated experience to create products, offering a wide range of options tailored to molding conditions and applications.

  • Composite Materials

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List of fiberglass products

Please feel free to consult us about anything related to fiberglass products!

As a specialized trading company and manufacturer of overseas FRP materials, we leverage our years of accumulated experience to create products, offering a wide range of options tailored to various molding methods and applications. We deliver a diverse array of high-quality products consistently and reliably.

  • Composite Materials

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Reinforcement material "Stitch Mat"

No use of secondary binders! Excellent impregnation properties for many resins.

The "Stitch Mat" is a reinforcement material that simplifies the molding process. It is a mat made by randomly arranging 50mm long glass chopped strands and stitching them together with PEs yarn, making it suitable for various molding methods such as VPI, RTM, pull-out molding, and HLU molding. It can improve production efficiency and reduce costs. 【Features】 ■ Excellent impregnation properties for many resins ■ Good moldability ■ Improved production efficiency and cost reduction ■ Simplification of the molding process *For more details, please refer to the PDF document or feel free to contact us.

  • mat

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Reinforcement material "Multi Mat"

Structural high functionality and high strength! Significantly contributes to improved productivity through reduced work processes.

"Multi-Mat" is used as a construction material for reinforcing bridges, as well as in aircraft and ships. By arranging glass rovings in multiple layers in the appropriate direction to withstand external stresses on the molded product, and by integrally sewing each layer together, it is possible to achieve high strength in the product. An increase in glass content and effective weight reduction can be realized. 【Features】 ■ High strength of the product ■ Reduction in resin usage ■ Increase in glass content ■ Effective weight reduction *For more details, please refer to the PDF materials or feel free to contact us.

  • mat

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Reinforcement material "Combo Mat"

Cost reduction through improved productivity! A mat developed from traditional pair mats.

The "Combo Mat" is a reinforcement material suitable for hulls, large/pressure tanks, etc. It is sewn into one sheet using chopped strands and roving cloth without using a secondary binder (adhesive) in the mat equivalent portion. By integrally sewing multiple layers, it reduces resin usage and allows for the production of thin, high-strength products with a high glass content. 【Features】 ■ Reduction of lamination processes ■ Cost reduction through improved productivity ■ Reduced resin usage ■ Ability to obtain thin, high-strength products with a high glass content ■ Quick resin impregnation and high moldability *For more details, please refer to the PDF document or feel free to contact us.

  • Composite Materials

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Reinforcement material "Combi Flow"

Simplifying the molding process! Excellent resin impregnation and fluidity without the use of chemical binders.

"CombiFlow" is a reinforcement material suitable for vacuum press molding (VPI) and L-RTM. The flow media layer is sandwiched with glass chopped strands and sewn with polyester threads. It improves production efficiency and reduces costs. Please feel free to consult us when you need assistance. 【Features】 ■ The flow media layer does not use chemical binders, allowing for good resin impregnation and fluidity. ■ Increased production efficiency and cost reduction. ■ Simplification of the molding process. *For more details, please refer to the PDF document or feel free to contact us.

  • mat

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A wide range of FRP molded products with excellent corrosion resistance.

Durable FRP molded products also to GRP Japan! Wide range of support from small diameter piping materials to large chemical tanks.

Our company offers "FRP molded products" that utilize various features of FRP, such as lightweight, high strength, and high corrosion resistance. For piping materials, we can accommodate not only standard products like pipes, elbows, and flanges but also specifications tailored to your needs, including internal and external organic fibers, carbon finishes, and exterior light-blocking coatings. Additionally, our "large corrosion-resistant FRP molded products" are manufactured using materials and lamination structures that meet your requirements based on the usage environment and performance specifications. 【Features】 ◎ GRP piping materials ■ Vinyl ester resin used ■ Internal surface finish (E/C glass, organic fibers, carbon) ■ JIS 10K standard products (flanges) ◎ Large corrosion-resistant FRP molded products (tanks, large ducts, towers, chimneys, etc.) ■ Excellent corrosion resistance allows for longer product lifespan ■ Smooth internal surfaces make maintenance, such as cleaning, easy ■ The liquid level of the contents can be visually checked from the outside *For more details, please refer to the materials. Feel free to contact us with any inquiries.

  • Piping Materials

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Vacuum Press Infusion Molding (VPI)

Large items made of composite materials can be molded with high precision and in a short time. It also contributes to reducing the amount of waste generated per shot.

"Vacuum Press Infusion Molding (VPI)" is a molding method that utilizes vacuum pressure to draw and impregnate the matrix after placing "reinforcement materials" and "special silicone films shaped to fit the mold" in FRP molds or metal molds. Since it does not require special equipment or degassing processes, it allows for simplification of the process. The special silicone film can be reused, the amount of resin injected is consistent, and the excess resin is minimized, contributing to a reduction in waste. 【Features】 ■ Proven track record in molding automotive front ends ■ Capable of molding large items with smooth surfaces and excellent dimensional stability ■ Can impregnate 6 liters of resin per minute and cure and demold in about 20 minutes ■ Reduces volatile styrene during molding due to the special silicone film *We are currently offering a "case study collection" with example photos and a "technical introduction document" explaining the benefits of implementation. You can view them via PDF download. Please feel free to contact us for inquiries.

  • Vacuum forming machine

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Silicone Bag Reflow Test Set for Tablets

Compatible with liquid resin and prepreg! Suitable for polyester resin and vinyl ester resin!

Introducing the "Silicone Bag Reflow Test Set" for flat panels. By using the coating agent "SILFLON" applied over the silicone bag, it is possible to reduce direct impact and extend the number of times the silicone bag can be reused. Additionally, the ReFlow is installed on two sides, with a route for resin to flow through the grooves. In the test tool, two flat surfaces are provided, similar to the two Reflow installation surfaces on the diagonal, allowing for a comparison of the flow media and the resin flow characteristics of glass. 【Features】 ■ Compatible with liquid resin and prepreg ■ ReFlow is arranged on two sides ■ Morph runner with a 16mm resin injection port ■ Route for resin flow through grooves ■ Ability to compare flow media and glass resin flow characteristics *For more details, please refer to the PDF materials or feel free to contact us.

  • others

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[GRP Report] Core Material for FRP Lamination - Containing Microbubbles

"Selection" brings "added value" to quality/process! We have summarized each feature!

Core materials for laminating that contain microbubbles are quite useful for thickness enhancement, ensuring rigidity, and various molding applications. However, until now, only products based on polyester non-woven fabric have been available in domestic distribution, and a lineup focusing on functional diversity has not been realized. At GRP Japan, we are switching to the 'Sphere Core' series, which includes a glass fiber non-woven fabric base, aiming to expand technical possibilities on the user side. This report summarizes the series to help you accurately understand each feature. Please take a look. [Contents] ■ Glass fiber base also available - Over 20 years of proven results in Europe ■ Polyester ⇔ Glass ■ Sphere Core S ■ Sphere Core SP ■ Sphere Core SBC ■ Sphere Core SBC IP *For more details, please refer to the PDF document or feel free to contact us.

  • fiber

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[GRP Report] Composite Material Manufacturing by VPI Molding

Reduce resin/surrounding material loss/waste to the absolute minimum! Design, preparation, control, and molding will be dramatically improved.

This report introduces "Composite Material Manufacturing by VPI Molding." VPI molding involves placing reinforcement materials in conventional FRP molds, then covering them with a specially pre-formed silicone film called "VPI-B," while simultaneously applying atmospheric pressure for mold clamping. Resin is injected and impregnated using a funnel installed in the VPI-B mold. It includes the advantages of implementation and the procedures for VPI molding. We encourage you to read it. 【Contents (partial)】 ■1. Overview ■2. Comparison of VPI with other molding methods ■3. Advantages of VPI implementation ■4. Properties of special silicone for VPI *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum Equipment
  • Contract manufacturing

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[GRP Report] Information on Vacuum Press Molding

Overall quality improvement and reduction of running costs! Special silicone has no transferability to molded products!

GRP Japan has introduced the "Vacuum Press Molding (VPI)" developed by the UK-based "Alan Harper Composite Company" as its agent. This report presents the advantages of Vacuum Press Molding (VPI). It also provides detailed explanations of the pre-molding procedures and molding processes. We invite you to read it. [Contents] ■ From HLU/SPU/L-RTM to "Vacuum Press Molding" ■ Advantages of "Vacuum Press Molding" ■ Pre-molding procedures ■ Molding procedures ■ Simplified trimming work after demolding ■ Reduction of resin and surrounding material loss/waste *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum forming machine
  • Contract manufacturing

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Halogen-free flame-retardant UP resin / Bromine-based reactive flame-retardant VE resin

A clear table displaying the characteristics of GRP Japan's flame-retardant resins! Available in can and drum types!

This report introduces "flame-retardant resins." There are flame-retardant unsaturated polyester resins that are halogen-free and environmentally friendly, yet possess a V-0 class flame retardancy according to UL94V standards, as well as brominated vinyl ester resins that achieve both high flame retardancy and corrosion resistance. We have clearly presented the characteristics in a table, so please take a moment to read through it. [Contents] ■ What are flame-retardant resins? ■ Types of flame-retardant resins ■ Grades and characteristics of flame-retardant resins ■ Examples of applications for flame-retardant FRP resins *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials

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[GRP Report] Vinyl Ester Resin / Unsaturated Polyester Resin

VE resin can cure with ultraviolet and visible light! UP resin allows for various molding methods!

This report introduces "vinyl ester resin" and "unsaturated polyester resin," which are widely used as matrices for FRP. It explains "features," "grades and properties," and "applications" in detail. Information on "handling" is also included. Please take a moment to read it. 【Contents】 ■1. Vinyl Ester Resin ■2. Unsaturated Polyester Resin (Iso and Tere types) ■3. Gelcoat Resin *For more details, please refer to the PDF document or feel free to contact us.

  • Other polymer materials

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[GRP Report] FRP Molding Equipment

Know correctly and make appropriate judgments! It is important to obtain estimates with specifications that match the intended use/purpose!

This report introduces "FRP molding machines" for each purpose and aims to help you understand appropriate purchasing choices. For many materials, equivalent products are supplied by various manufacturers, and the difference in product prices can directly translate to differences in production costs, which may indicate advantages. However, our products incorporate unique technical know-how from each manufacturer, making it difficult to assess production benefits based solely on price differences. Additionally, even when prices are the same, it is common to find significant differences in specifications and functionality. Therefore, it is important to obtain estimates based on specifications that are suitable for actual applications/purposes. [Contents] ■ FRP molding equipment ■ Machine composition and specifications ■ Improvements in open mold methods: Resin spray, roller machines, gel coat machines, putty machines… ■ Developments in closed mold methods: RTM, VaRTM, hot press, autoclave molding… ■ Others *For more details, please refer to the PDF document or feel free to contact us.

  • Textile Processing Machinery

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[GRP Report] ECR Glass Fiber

ECR glass at the same price as E glass! It has excellent corrosion resistance (acid resistance), water resistance, and heat resistance!

This report introduces "ECR Glass Fiber." ECR glass is a type of glass fiber that possesses excellent corrosion resistance (acid resistance), water resistance, and heat resistance, while also having mechanical strength that surpasses E-glass and electrical properties that are comparable. Additionally, the composition of the glass fiber does not include boron (B2O3) or fluorides (F2), making it an environmentally friendly material in the manufacturing process. We invite you to read on. [Contents] ■ What is ECR Glass? ■ Corrosion Resistance (Chemical Resistance) of ECR Glass ■ Mechanical Strength of ECR Glass ■ Recommended Applications for ECR Glass Fiber Products ■ ECR Glass Product Lineup *For more details, please refer to the PDF document or feel free to contact us.

  • fiber
  • Glass

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[GRP Report] Sewn Glass Fiber Reinforced Material

Excellent impact strength and fatigue characteristics! Widely used in applications that require high-performance and high-level materials!

This report introduces "Sewn Glass Fiber Reinforced Materials." It is proposed as a product that significantly contributes to the high strength of FRP products, alleviation of labor shortages (improvement of work efficiency), and overall cost reduction. We have included "Stitch Mats," as well as "Combo Mats" and "Multi Mats." Please take a moment to read it. 【Contents (Partial)】 ■1. Ideal Fiber Direction and Arrangement ■2. Excellent Impact Strength and Fatigue Properties ■3. High Glass Content and Superior Mechanical Strength *For more details, please refer to the PDF document or feel free to contact us.

  • fiber

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[GRP Report] Glass cloth and glass tape for FRP

It is possible to create thin, high-strength FRP products with a high glass content! This also contributes to improved appearance!

This report introduces "Glass Cloth and Glass Tape for FRP." Glass cloth and glass tape are textiles made using glass yarn. They are produced in various combinations depending on the application and required performance, including different types of glass yarn, weaving methods, densities (both warp and weft), and types of surface treatment. We have included information on applications, features, and standard specifications. Please take a moment to read it. [Contents] ■ Applications of Glass Cloth and Glass Tape ■ Features of Glass Cloth for FRP ■ Standard Specifications for Glass Cloth for FRP *For more details, please refer to the PDF document or feel free to contact us.

  • fiber

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[GRP Report] Carbon Cloth for FRP

The characteristics of carbon fiber can be summed up in one word: "light and strong"! It excels in moldability and appearance.

This report introduces "Carbon Cloth for FRP." Carbon cloth is a fabric made from carbon fibers, and due to its sheet-like form, it excels in moldability and appearance, making resin impregnation easy. It includes features, news, and examples of applications for carbon cloth. We invite you to read it. [Contents] ■ What are carbon fibers? ■ Features of carbon fibers ■ Carbon fiber news ■ Examples of carbon cloth applications ■ Standard specifications for carbon cloth for FRP *For more details, please refer to the PDF document or feel free to contact us.

  • fiber

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[GRP Report] VPI - Durability of Special Silicone Film

Used for molding 1,400 times without repair! Bringing you new information from AHC.

The special silicone VBS26 demonstrates high durability while ensuring sufficient sealing with a simpler shape due to its mechanical properties, achieving molding at high vacuum levels. This document introduces new information from AHC, the company that developed the VPI molding method, regarding the durability of special silicone films. GRP Japan is promoting the transition from hand lay-up and spray-up to VPI. [Contents] ■ Reliability backed by results ■ Recommended environment ■ Durability of silicone films – clear examples of misguided savings *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum forming machine

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[VPI Implementation Results] Feed Tank

Achieving improved work environment and increased productivity! Introducing the implementation results of the VPI system handled by our company.

At a customer in Hokkaido, we introduced 'VPI' to reduce the man-hours for the feed tanks being molded in parallel with the new ship lamination. We improved the lifting equipment to maintain the shape during the lift-up process. This enabled work to be carried out by a single person, achieving increased productivity. At GRP Japan, we are engaged in various development themes not only within Japan but also in China, Taiwan, and South Korea. Please feel free to consult us regarding the introduction of VPI for overseas factories. 【Case Summary】 ■ Objective: Reduce man-hours for feed tanks being molded in parallel with new ship lamination ■ Work: Improved lifting equipment to maintain shape during lift-up ■ Result: Work can now be performed by a single person *For more details, please refer to the PDF document or feel free to contact us.

  • tank
  • Contract manufacturing

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Wheel cutting machine

Safety design equipped with a transparent acrylic board! Various glass fibers can be sliced to any width.

The "Ring Cutting Machine" is a product that can cut fiberglass raw materials into rings along the paper tube. The cutting width can be set infinitely, allowing for easy cutting. With a simple design, it can be easily operated with a switch at hand. Additionally, without opening the distribution board, the rotation speed can be adjusted using a controller placed on the front of the distribution board. This product has a proven track record in chopped strand mat manufacturing. 【Features】 ■ Simple design for easy operation ■ Equipped with casters for easy movement ■ Transparent guard ensures safety and workability ■ Rotation speed can be adjusted with a controller located on the front of the distribution board *For more details, please refer to the PDF document or feel free to contact us.

  • Plastic processing machines (cutting and rolling)

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Introduction to Large Corrosion-Resistant FRP Molded Products

Achieve cost reduction! Leave large corrosion-resistant FRP molded products to GRP Japan.

At GRP Japan, we offer large corrosion-resistant FRP molded products that leverage various features of FRP. With excellent corrosion resistance, it enables a longer lifespan for products. It is lighter than metals such as iron and stainless steel, allowing for reduced installation time and cost savings. We manufacture materials and laminate structures tailored to your requirements, such as usage environment and performance specifications, so please feel free to contact us when you need assistance. 【Features】 ■ Achieves a longer lifespan for products with excellent corrosion resistance ■ Smooth inner surfaces make maintenance, such as cleaning, easier ■ Provides a certain level of transparency, allowing the liquid level inside to be visually checked from the outside ■ Allows for the attachment of secondary processed items like nozzles and partial repairs ■ Lighter than metals such as iron and stainless steel, enabling reduced installation time and cost savings *For more details, please refer to the related links or feel free to contact us.

  • Contract manufacturing

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Carbon Glass Fiber Cutting Machine "KIRUZO"

Cut carbon and glass fibers accurately in any shape! It enables molding as envisioned.

We would like to introduce our carbon and glass fiber cutting machine, "KIRUZO." In the molding of FRP products, cutting carbon and glass fibers requires significant effort and time. However, this product uses CAD software, allowing for the design of straight and curved lines in any shape, and it cuts accurately and automatically. Not only does it greatly improve the working environment, but it also enhances work efficiency and enables effective utilization of personnel. 【Features】 ■ Molding as envisioned can be achieved ■ Multiple layers of material can be cut at once ■ The combination of materials is flexible, allowing for 5 to 7 layers to be cut depending on the material ■ Significant improvement in the working environment ■ Increased work efficiency and effective utilization of personnel *For more details, please refer to the PDF document or feel free to contact us.

  • Plastic processing machines (cutting and rolling)

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Injection device "IP-8000MK II Phenol Specification"

Maximum output 12L/min! A machine that can be used for applications of two-component mixed phenolic resin.

The "IP-8000MK II Phenol Specification" is an injection device that achieves efficient and clean usability with excellent operability through simple controls, ensuring safety. Phenolic resin is a flexible material with various possibilities and applications. This product has been developed to change the hardener pump as an injection device for phenolic resin, allowing for adjustments to the resin-to-hardener ratio. Additionally, this product allows customers to select the molding functions equipped according to their needs. 【Specifications (partial)】 ■ Air supply: 6 bar (90 PSI) ■ Air consumption: 120 L (per 1 L of resin discharged) ■ Maximum output: up to 12 L/min (depending on conditions such as resin viscosity and hose length) ■ Maximum operating pressure: 108 bar (1,620 PSI) ■ Pressure ratio: 18 to 1 *For more details, please refer to the PDF document or feel free to contact us.

  • Other processing machines

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Epoxy Resin Device "EP-88"

To take advantage of the properties of epoxy resin and obtain high-precision molded products, a functional molding machine is necessary.

The EP-88 is an epoxy resin device characterized by its excellent design and construction. It is equipped with a unique continuous variable B liquid pump from the applicator, allowing for precise control of the ratio between A liquid and B liquid. A liquid and B liquid are mixed internally using a static mixer, achieving complete mixing. It features stepless adjustment of the mixing ratio and comes with a cart equipped with a handle to assist with a wider range of work. [Features] ■ Static mixer ■ Easy operation ■ Air-operated solvent pump ■ Stepless adjustment of mixing ratio ■ Cart with handle to assist with a wider range of work *For more details, please refer to the PDF document or feel free to contact us.

  • Mixer/agitator

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Vacuum Press Molding "VPI Molding"

The final form of closed molding! Improve product quality, enhance the environment, and reduce manpower and costs!

"VPI (Vacuum Press Infusion) molding" is a vacuum press molding process that uses a high-durability special silicone resin "VMS26" for the upper mold. Since sealing and degassing operations are unnecessary, significant time savings can be achieved in many products, and the use of silicone resin to cover the upper mold greatly reduces styrene odor. Compared to previous molding methods, it allows for greater benefits and leads to overall cost reduction. 【Benefits of VPI Molding】 ■ Improvement of work environment ■ Enhanced workability ■ Stabilization of product quality ■ Reduction of manpower ■ Reduction of industrial waste *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum forming machine
  • Contract manufacturing

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Information on FRP piping materials

Pipes and elbows are butt-welded! They are particularly suitable for thick-walled tanks with insulation jackets, especially for tank tops.

We would like to introduce the "FRP piping materials" from GRP Japan Co., Ltd. We have recently started handling flanges, pipes, and elbows. The flanges have a standard neck of 250mm and are particularly suitable for tank tops and thick-walled tanks with insulation jackets. Please feel free to contact us. 【Features of GRP Piping Materials】 ■ Made with vinyl ester resin ■ Inner surface finished with glass surface ■ JIS 10K standard products (flanges) ■ Standard pipe neck for flanges is L250mm ■ Pipes are high-strength FW molded products *For more details, please refer to the PDF materials or feel free to contact us.

  • Piping Materials

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ECR fiberglass

At a price equivalent to E-glass! It is possible to extend the lifespan of GFRP products and reduce maintenance costs.

At GRP Japan Co., Ltd., we handle "ECR Glass Fiber." "ECR Glass" is a type of glass fiber that possesses superior corrosion resistance (acid resistance), water resistance, and heat resistance compared to E-glass, which is commonly used as a GFRP reinforcement material, while also offering mechanical strength that exceeds that of E-glass and equivalent electrical properties. Traditionally, "ECR Glass" has been more expensive (about 50-100% higher) than E-glass due to its high functionality as a GFRP reinforcement material, but it is now possible to supply it at a price comparable to that of E-glass. 【Features of ECR Glass】 ■ Superior corrosion resistance (acid resistance), water resistance, and heat resistance compared to E-glass ■ Mechanical strength that exceeds E-glass and equivalent electrical properties ■ Does not contain boron (B2O3) or fluorides (F2) in its glass fiber composition ■ Capable of maintaining the strength of FRP products over a long period even in harsh corrosive environments *For more details, please refer to the PDF document or feel free to contact us.

  • Glass

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[Information] VPI Molding - Carbon Prepreg Compatible

We introduce materials used in autoclaves and components necessary for pressurization.

GRP Japan Co., Ltd. offers a wide range of applications from FRP product molding to dry carbon product molding. This document includes examples of the VPI system FRP automotive bumpers, as well as examples of the VPI system carbon prepreg. Additionally, we introduce vacuum press molding. 【Contents (excerpt)】 ■ Introduction to Vacuum Press Molding  ・From HLU/SPU/L-RTM to VPI  ・From HLU/SPU/L-RTM to "Vacuum Press Molding" ■ VPI Materials ■ Examples of VPI System FRP Automotive Bumpers ■ Examples of VPI System Carbon Prepreg *For more details, please refer to the PDF document or feel free to contact us.

  • Other Auto Parts

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Resin Injection Machine "RI-15"

Easily operable with just a simple control panel thanks to sophisticated design and technology!

The "RI-15" is a resin injection machine that drives a piston (air motor) up and down using compressed air. Based on the applicator's unique operating mechanism, it accurately dispenses the resin while employing a continuously adjustable slave-type hardener pump, allowing for perfect mixing of resin and hardener inside the static mixer at the injection gun tip. Additionally, it offers high efficiency and versatility, and is mounted on a large rubber-tired cart, enabling easy mobility in any workspace. 【Features】 ■ Injection gun with static mixer ■ Solvent cleaning possible with injection gun operation ■ Complete cleaning with solvent + air purge mechanism ■ All equipment mounted on a cart with control panel ■ Circulation system for resin and hardener *For more details, please refer to the PDF document or feel free to contact us.

  • Plastic utensils and containers

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Multicolor Gel Coater "MIPG-24/HV"

It is possible to easily change multiple gel coat colors! The device has a compact overall design.

The "MIPG-24/HV" is a multi-color gel coat that has further evolved from the former "MIPG 24/HV." The new design is compact, allowing for mixing materials with a static mixer at the gun tip, enabling spray application. The gun tip mixing achieves maximum material yield. It is suitable for high-quality gel coat work, with an overall material yield, simple operation, maintenance, and a system designed with safety and work environment in mind. 【Features】 ■ Continuously adjustable curing agent ratio ■ Resin and curing agent circulation system ■ Reduction in resin consumption ■ Complete cleaning with solvent + air purge mechanism ■ High material yield *For more details, please refer to the PDF document or feel free to contact us.

  • Other machine elements

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Spray-Up Machine/Resin Spray Machine IPS-15/IPWO-15

Applicator Corporation product! A polyester resin/glass fiber spray-up machine with high-quality design.

At GRP Japan Co., Ltd., we handle the spray-up machine/resin spray machine 'IPS-15/IPWO-15'. It is suitable for molding factories of various sizes and can be used efficiently and cleanly. It is designed to be easy to handle and operates accurately with simple controls. Additionally, polyester resin and hardener are mixed inside a spray gun using an air cylinder system that incorporates a spray nozzle, achieving complete mixing with just a small amount of spray. This provides a favorable working environment with minimal odors and clutter. 【Features】 ■ Hardener slave pump that achieves accurate mixing ratios ■ Stepless adjustment of hardener ratio ■ Resin and hardener circulation system that allows for bubble removal test operation ■ Air-operated solvent cleaning button equipped on the spray gun ■ Flash cleaning with air-mixed solvent *For more details, please refer to the PDF materials or feel free to contact us.

  • spray

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Putty machine "PP-8000/T200"

Direct inhalation from the material container is possible! Achieves accurate mixing ratios of resin and hardener.

The "PP-8000/T200" is a specially designed putty machine for polyester putty, sealants, silicone, grease, adhesives, and other medium to high viscosity materials. Equipped with an air-driven follower plate (pressure plate), it prevents the hardening of the material surface by pressing against the material in the container, while ensuring that the material is reliably drawn into the pump. Additionally, the unique infinitely adjustable hardener slave pump from the applicator company achieves an accurate mixing ratio of resin and hardener. 【Features】 ■ Accurate mixing ratio with hardener slave pump ■ Infinitely adjustable hardener addition amount ■ Hardener circulation system ■ Air-driven solvent pump ■ Specially designed static mixer *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum forming machine

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Epoxy Resin Device "EP-88"

The mixing ratio can be adjusted continuously! It provides stable mixing through a static mixer.

The EP-88 is an excellent epoxy resin device designed and developed with superior quality. It is equipped with a unique applicator company’s infinitely adjustable B component pump that can accurately dispense components A and B in the correct ratio. Additionally, the device provides stable mixing through a specially designed static mixer that completely mixes components A and B. 【Features】 ■ Static mixer ■ Easy operation ■ Air-operated solvent pump ■ Infinitely adjustable mixing ratio ■ Cart with handle to assist in a wide range of work *For more details, please refer to the PDF document or feel free to contact us.

  • Resin processing machine

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FRP molding equipment <Sales of equipment manufactured by Applicator (Sweden)>

High-performance equipment that reforms the manufacturing site! A lineup of robots suitable for mass production.

Our company supports manufacturing businesses by utilizing equipment from Applicator AB (Sweden) to contribute to on-site improvements and labor-saving measures that expand production capacity. The company is a specialized manufacturer of pumps and guns for FRP molding, with a reliable design that ensures harmony throughout the entire system, boasting a long history of use in Japan. We handle a variety of products, including the versatile "IP-8000 Combi," which can be used with interchangeable guns, as well as the resin spray "IPWO-15" and high-viscosity putty/adhesive "IPP-8000/T20." 【Features of Applicator AB】 ■ Specialized manufacturer of pumps and guns for FRP molding ■ Reliable design that ensures harmony throughout the entire system ■ Long history of use in Japan ■ In addition to portable universal trolley specifications, we offer robotic machines suitable for mass production *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum forming machine

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Phenolic resin for FRP 'MWF-2520LV'

Low odor / low formaldehyde type phenolic resin for FRP!

We offer a low-odor FRP phenolic resin, 'MWF-2520LV', which contains less than half the amount of formaldehyde compared to conventional products. This product can cure with a lower amount of curing agent compared to conventional products. Additionally, it is designed to reduce the amount of moisture generated during the curing reaction, resulting in high bending strength of FRP molded products. 【Features】 - Can cure with a lower amount of curing agent compared to conventional products - Designed to reduce the amount of moisture generated during the curing reaction - High bending strength of FRP molded products - Low viscosity and suppresses reaction moisture by 10% - Low odor due to formaldehyde content being half that of conventional products *For more details, please download the PDF or feel free to contact us.

  • Other polymer materials

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Vacuum Press Infusion Molding VPI

It is a simple and groundbreaking new molding method that takes into consideration the working environment and is more unique and innovative than any competing technology applied in a similar way.

VPI "Vacuum Press Infusion" is a molding method that utilizes a special reusable silicone compared to conventional RTM/L-RTM/film infusion molding, offering many possibilities such as cost reduction and increased work efficiency. It is an infusion molding method that can be started simply by extending the flange of your existing FRP production mold. Silicone molds can be produced in-house in a short time, allowing production to begin the next day. The molding process involves setting the reinforcement material in the FRP mold, covering it with the silicone mold, and then simply injecting the resin using a funnel after creating a vacuum. *For more details, please refer to the PDF document or feel free to contact us.*

  • Other Auto Parts

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Business content: Sales of FRP materials.

For all kinds of FRP materials, go to GRP Japan!

FRP stands for "Fiber Reinforced Plastics," which means fiber-reinforced plastic (composite materials).

  • others

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  • 大型品の切削や低コストな複合加工に。ロボットシステムの資料進呈

    大型品の切削や低コストな複合加工に。ロボットシステムの資料進呈

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