We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Watergate.
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Watergate Product List and Ranking from 52 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
This ranking is based on the number of page views on our site.

Watergate Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
This ranking is based on the number of page views on our site.

  1. カナエ Tokyo//Trading company/Wholesale
  2. SAITOH IRON WORKS LTD, HEAD OFFICE Osaka//environment
  3. null/null
  4. 4 東海技研 Shizuoka//others
  5. 5 Rapyuta International Co.,Ltd Ishikawa//Trading company/Wholesale
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Watergate Product ranking

Last Updated： Aggregation Period:Dec 17, 2025～Jan 13, 2026
This ranking is based on the number of page views on our site.

  1. Water Gate "Waterproof Rubber Type Specification Table" カナエ
  2. Reservoir water intake facilities: sediment discharge gate / sloped drain valve / reservoir plug SAITOH IRON WORKS LTD, HEAD OFFICE
  3. TOMATEC Gelcoat "FRP Gelcoat"
  4. Mobile Simple Bathtub "U-Luck" for Care Recipients and People with Disabilities 東海技研
  5. 4 ◇Residential Dome House◇ Rapyuta International Co.,Ltd

Watergate Product List

31～45 item / All 100 items

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Antibacterial liquid glass paint impregnation [Cypress bath]

Antibacterial liquid glass paint impregnation [Cypress bath]

We provide support for creating hotel-like bathrooms even for general residential use. We can produce them in custom sizes and shapes.

This is a bathroom made using domestically produced hinoki logs, processed at our own sawmill, with every step from selecting the boards to completion done by artisans by hand, one by one. While the price is higher compared to mass-produced resin bathrooms, the feeling of comfort when bathing is exceptional. Customers have said, "Once you bathe in this tub, you won't want to use a resin unit bath." The way the knots in the walls and the overall wood grain appear varies from one unit to another. We do not accept requests for specific knots or wood grain. The water-repellent glass hinoki bath allows the aromatic components to escape through the tiny gaps in the liquid glass coating, meaning the scent of the wooden bathtub is only present for a short time, and it fades over the years. Therefore, through our unique regeneration technology (Extreme Beauty Construction), we aim to regenerate the scent and wood, ensuring long-term use by performing maintenance every 3 to 5 years to create a durable wooden bath.

  • Wood products
  • wood

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MK Corrosion-Resistant Damper "MD Series"

MK Corrosion-Resistant Damper "MD Series"

Outstanding durability for long-term use! We offer drive systems tailored to your intended purpose or application.

The "MD Series" is a corrosion-resistant FRP damper made from FRP resin (vinyl ester) that is compatible with corrosive gases, offering outstanding corrosion resistance. It features a robust and durable structure, with a wide variety of sizes and shapes (round and square) tailored to installation conditions. Additionally, we provide drive options (manual and electric) suited for specific purposes or applications. Please feel free to contact us. 【Features】 ■ Outstanding corrosion resistance ■ Made from FRP resin (vinyl ester) compatible with corrosive gases ■ Robust and durable structure ■ A wide variety of options tailored to installation conditions *For more details, please refer to the PDF document or feel free to contact us.

  • others

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MK Lining System

MK Lining System

Construction on-site is easy to carry out! Being maintenance-free significantly contributes to reducing maintenance costs.

The "MK Lining System" is made of steel with flake lining, FRP lining, and their hybrid (composite type), maintaining suitable corrosion resistance and durability. Due to its low water vapor permeability coefficient, it prevents the penetration of chemical solutions and corrosive gases even with a thin film thickness. Additionally, because it has low shrinkage during curing, internal stress is also minimal, and there is no concern about cracks or peeling even with repeated use at high temperatures. 【Features】 - Based on a highly corrosion-resistant thermosetting resin - Exhibits excellent resistance to various acids, bases, solvents, gases, etc. - As it is a room temperature effect type, it can be easily applied on-site - Being maintenance-free significantly contributes to reducing maintenance costs - Construction time is also short *For more details, please refer to the PDF document or feel free to contact us.

  • others

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FRP tank

FRP tank

Due to its translucency, the liquid volume can be determined! The tank is excellent in heat resistance and cold resistance, and is also easy to handle.

The "FRP tank" is made entirely of FRP, including the tank body and manhole, and has excellent corrosion resistance and chemical resistance. Compared to iron tanks, it has a specific gravity of 1/5 to 1/4 and superior strength. 【Features】 ■ Uses high corrosion-resistant polyester resin ■ Excellent heat and cold resistance ■ Lightweight and easy to handle ■ Translucent, allowing for liquid level identification ■ Maintenance-free, providing high economic efficiency ■ Available in sealed round and open round types *For more details, please refer to the PDF document or feel free to contact us.

  • tank

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FRP Production Examples [For the Industrial Machinery Industry]

FRP Production Examples [For the Industrial Machinery Industry]

Cover made of FRP with drug resistance! Case study of products requiring high dimensional accuracy.

Here is a case study of an FRP cover for industrial machinery. We manufactured a cover using FRP with high chemical resistance to prevent the iron of industrial machinery from being eroded by strong acidic gases. There was a challenge to use a material for the handrails that could also withstand chemicals, but we met this requirement. The product required high dimensional accuracy to fit over existing machinery. 【Case Study】 ■Product Name: Cover for Industrial Machinery ■Application: For the industrial machinery industry ■Dimensions: Approximately 1000×5000×1000 ■Material: FRP ■Process Overview: Prototype production, product manufacturing *For more details, please refer to the PDF document or feel free to contact us.

  • plastic
  • Contract manufacturing
  • Processing Contract

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Collection of FRP production cases using hand lay-up techniques.

Collection of FRP production cases using hand lay-up techniques.

We will introduce examples of FRP (fiber-reinforced plastic products) manufacturing for various manufacturers!

This document is a collection of case studies on the production of FRP (fiber-reinforced plastic products) using hand lay-up technology handled by Fuji Kako Co., Ltd. It includes various FRP production examples, starting with case studies for housing equipment manufacturers, as well as building material manufacturers, toy manufacturers, and local governments. Due to its lightweight and durability, it is used in bathtubs, boats, septic tanks, car aero parts, and playground equipment. [Included Case Studies] ■ FRP Production Case Studies [For Housing Equipment Manufacturers] ■ FRP Production Case Studies [For Building Material Manufacturers] ■ FRP Production Case Studies [For Toy Manufacturers] ■ FRP Production Case Studies [For Toy Manufacturers and Local Governments] ■ FRP Production Case Studies [For the Toy and Amusement Industry] *For more details, please refer to the PDF document or feel free to contact us.

  • plastic
  • Contract manufacturing
  • Processing Contract

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FRP Technology Consultation Service

FRP Technology Consultation Service

For repairs/renovations, molded product design, manufacturing processes, and technical evaluation contracts, please contact us!

Our company provides various technical consultations regarding FRP. Primarily in the 'manufacturing process', we propose suitable manufacturing processes to realize the intended shape and can create a process chart according to your requests. Of course, it is also possible for us to carry out the shaping of the object based on this process chart. Please feel free to contact us if you have any requests. *For more details, please download the PDF or feel free to contact us.

  • plastic
  • Contract manufacturing

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Narrow chopped strand mat

Narrow chopped strand mat

We can accommodate requests for a small amount of narrow chopped strand mat, as well as for reducing processing time.

The "Narrow Width Chopped Strand Mat" is a product made from glass fiber chopped strand mat processed to specified width and length for hand lay-up applications. After impregnating with low-viscosity resin and curing, it becomes a fiber-reinforced plastic material (FRP) with excellent water resistance and chemical resistance. Experienced technicians with extensive FRP manufacturing experience carry out the processing work, allowing for stable product dimensions. 【Features】 ■ Excellent water resistance and chemical resistance ■ Processing work performed by technicians with extensive FRP manufacturing experience ■ Ability to provide products with stable dimensions ■ Capable of responding to requests for compressed processing time and small quantities of narrow widths *For more details, please refer to the PDF document or feel free to contact us.

  • plastic

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The effect of gel coat layer thickness and drying time on film properties [Technical Document]

The effect of gel coat layer thickness and drying time on film properties [Technical Document]

Improving product quality, including the durability of the gel coat layer! Verifying the correlation between initial peeling occurrence and film thickness/drying time!

This document is a technical report that evaluates the durability of the gel coat layer, focusing on its thickness and drying time, as well as its peel resistance against FRP, in order to address issues such as delamination, wrinkles, and cracks that occur during the production of the gel coat layer. The evaluation revealed that a thickness of approximately 0.2 mm provides high durability, with no clear correlation found with drying time. Additionally, internal verification using X-ray CT and tensile tests using DIC successfully identified the initial delamination of the gel coat layer. [Contents (Evaluation Preparation, Methods, and Results)] ■ Gel Coat Preparation ■ Gel Coat Application ■ Gel Coat Drying ■ Production of FRP Flat Plates for Gel Coat Layer Evaluation ■ Measurement of Gel Coat Layer Thickness ■ Tensile Testing ■ Confirmation of Gel Coat Layer Delamination via X-ray CT ■ Correlation between Initial Delamination of the Gel Coat Layer and Gel Coat Layer Thickness and Drying Time *For more details, please download the PDF or feel free to contact us.

  • Technical and Reference Books

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Evaluation of the shape of the FRP hole processing drill manufactured in-house and the X-ray CT assessment of the processed object.

Evaluation of the shape of the FRP hole processing drill manufactured in-house and the X-ray CT assessment of the processed object.

Compare and evaluate the conditions before and after processing using an in-house manufactured φ15mm drill for FRP and a commercially available drill through visual inspection and non-destructive testing!

This document is a technical report that evaluates the characteristics of drill shapes after processing, using the example of hole processing in FRP. It includes quantification of the features of the processed drill shapes conducted in-house, as well as a quantitative comparison of these shapes with commercially available drills. Additionally, it assesses the validity of the shapes through FRP processing. In the evaluated range, while no superiority was recognized between the commercially available drills and the modified in-house drills for FRP processing, it was confirmed that the shape of the in-house processed drills contributes to extending the tool life. This result holds significant importance from the perspective of extending tool life. [Contents (Evaluation Preparation, Methods, and Results)] ■ Preparation of evaluation drills ■ Shape inspection of evaluation drills ■ Production of flat plates for processing evaluation ■ Hole processing using various drills ■ X-ray CT measurement *For more details, please download the PDF or feel free to contact us.

  • Technical and Reference Books

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FRP Special Coating Method (R)

FRP Special Coating Method (R)

We will achieve the long lifespan of factory structural components through coating.

Our company offers a special FRP coating method (R) that combines the strengths derived from GFRP material forms and the proven corrosion-resistant resin functions as a role of paint. By combining glass fibers and corrosion-resistant resins in an appropriate material composition, we achieve high corrosion resistance. Please feel free to contact us if you have any inquiries. 【Features】 ■ Sealing the "interface of fibers/resin near the surface" that is prone to acid penetration with a top coat ■ Suppression of acid penetration by glass fibers and enhancement of the strength of the coating itself *For more details, please download the PDF or feel free to contact us.

  • paint

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FRP manufacturing service

FRP manufacturing service

We have been specializing in the noteworthy new material CFRP for many years.

Our company has been producing various FRP materials as a professional in FRP manufacturing. We cater to a wide range of applications and requests, from handmade FRP product creation to mass production. 【Our Strengths】 ■ Capable of small-lot mass production from a single product ■ Handmade creation of FRP products ■ Over 50 years of experience as professionals in FRP manufacturing *For more details, please feel free to contact us.

  • plastic

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FRP Type Manufacturing Service

FRP Type Manufacturing Service

Leave FRP processing to us!

Our company manufactures FRP molds that have been improved with our specifications for raw material resins, gel coats, laminating materials, putties, etc., ensuring excellent dimensional stability and surface gloss, making them durable for long-term use. We have supplied casting molds for high-end bathrooms in hotels representing Japan and neighboring countries, receiving great acclaim from all who have used them. Additionally, utilizing our FRP processing technology, we have developed a permanent coating for vehicles called "Last Dance," and we are conducting trial installations before its sale. 【Features】 ■ Trusted by many companies ■ We can handle any FRP-related needs *For more details, please download the PDF or contact us.

  • Processing Contract

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[Information] Proposal for Lake and Offshore Mega Solar Power Generation

[Information] Proposal for Lake and Offshore Mega Solar Power Generation

A power generation project that takes the environment into consideration and has the effect of artificial reefs! Details of the autonomous floating structure are also included.

This document introduces "Lake and Offshore Mega Solar Power Generation." It provides a detailed explanation over four pages, starting with "Development of Mushroom-Shaped Autonomous Floating Structure Solar Units," including "Details of the Mushroom-Shaped Autonomous Floating Structure Developed by NBL." Please make use of this for product introduction. 【Contents】 ■1. Conventional Offshore Power Generation ■2. Offshore Power Generation Developed by NBL ■3. Details of the Basic System ■4. Maintenance ■5. Cost Competitiveness *For more details, please refer to the PDF document or feel free to contact us.

  • Solar power generator

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Solar power generation with roof installation using FRP pipes.

Solar power generation with roof installation using FRP pipes.

Effective for disaster recovery work! Proposal for a construction method that also includes roof waterproofing work.

The NBL Research Institute develops, manufactures, and sells GPI standard FRP pipes used for oil drilling that can withstand pressures of 1000 atmospheres. Our GPI pipe solar panel retailers are capable of installing solar panels using FRP pipe materials that meet these harsh conditions on roof frames. We carry out installations that include construction and electrical work. With the cost of roof restoration, there is an expected triple benefit of significantly reduced electricity bills after installation and the potential to supply power. 【Features】 ■ Durability: 50 years ■ Low installation costs ■ Reduced electricity bills ■ Effective for disaster recovery work ■ Capability to supply power *For more details, please refer to the PDF materials or feel free to contact us.

  • Other environmental equipment

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