ブレインシール List of Products and Services

Our company specializes in ultra-small to small-sized products and demands precision in the cutting of rubber materials. The slit width and cutting width are managed in millimeters, and weight management is done in grams (to one decimal place). We are constantly enhancing our equipment to respond to the ever-changing orders from our customers. Please feel free to contact us when you need our services. 【Number of Machines Owned】 ■Automatic Cutting Machines: 4 units ■Slitters: 2 units *For more details, please refer to the PDF document or feel free to contact us.

• Plastic processing machines (cutting and rolling)

We manufacture finishing molds for products with high production volumes of rubber standalone products, and we perform finishing through press cutting. We can accommodate finishing for large quantities starting from 100 pieces, which is expected to shorten the lead time from production to shipment. Please feel free to contact us when you need our services. 【Number of Finishing Press Machines Owned】 ■ 2-ton platen (300×300): 3 units ■ 1-ton platen (300×170): 4 units *For more details, please refer to the PDF document or feel free to contact us.

• Other processing machines

We would like to introduce our main surface treatment and adhesion process equipment at Brain Seal Co., Ltd. The "Automatic Cleaning Machine" performs degreasing and foreign matter removal of metal fittings. It uses a hydrocarbon-based cleaning agent, which is also environmentally friendly. Additionally, we have a "Blast Machine" that applies surface treatment to metal fittings to enhance the adhesive strength of vulcanized rubber products, as well as an "Automatic Coating Robot" that applies rubber adhesive to the treated metal fittings. [Features] ■ Automatic Cleaning Machine - Performs degreasing and foreign matter removal of metal fittings - Environmentally friendly with a hydrocarbon-based cleaning agent ■ Blast Machine - Enhances adhesive strength of vulcanized rubber products - Applies surface treatment to metal fittings *For more details, please refer to the PDF document or feel free to contact us.

• Other cleaning machines
• Other surface treatment equipment
• Other industrial robots

We would like to introduce our main product, the vacuum press machine for rubber vulcanization, from Brain Seal Co., Ltd. We offer a range of capacities from 150 tons to 250 tons, accommodating various mold sizes. All machines are vacuum presses, which can prevent the occurrence of bubble defects caused by gas during the vulcanization molding process. Please feel free to contact us when you need assistance. 【Number of Units Available】 ■250 ton 4-sided decomposing machine, platen size (500×500): 12 units ■200 ton 4-sided decomposing machine, platen size (500×500): 16 units ■200 ton 3-sided decomposing machine, platen size (600×600): 3 units ■150 ton 4-sided decomposing machine, platen size (500×500): 2 units ■150 ton 3-sided decomposing machine, platen size (500×500): 10 units *For more details, please refer to the PDF document or feel free to contact us.

• Press Dies
• Vacuum forming machine

We would like to introduce an example of the "vulcanization molding process" conducted at Brain Seal. Parts (such as SK5, SUS, brass, etc.) are degreased and cleaned, and the surface of the parts is roughened using a blasting machine to enhance the adhesive strength between the rubber and the parts. After implementing various processes such as "adhesive application" and "secondary vulcanization," we ensure secure packaging to prevent any scratches on the product before delivering it to our customers. For distant customers, we use external transportation services for shipping. [Overview (partial)] ■ Parts Cleaning - A ■ Surface Treatment ■ Parts Cleaning - B ■ Adhesive Application ■ Vulcanization Adhesion *For more details, please refer to the PDF document or feel free to contact us.

• Contract manufacturing

"Hyper Power Tough M" is a material that has higher tensile strength and tensile stress than general NBR, along with excellent compression set resistance. It exhibits superior tensile stress at 100% elongation and improved ozone resistance. The compression set is one-third, promising a long lifespan. It significantly enhances mechanical properties and durability, meeting the demands for quality and cost performance. 【Features】 ■ Superior tensile stress at 100% elongation ■ Compression set is one-third ■ Long lifespan expected ■ Improved ozone resistance ■ No cracks after 40℃ × 50pphm × 72 hours *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials

"Slider Star" is a special rubber that maintains sealing properties while possessing low friction and wear resistance, as well as self-lubricating capabilities. It has sliding properties while maintaining the sealing characteristics of rubber, providing a slippery rubber suitable for the usage environment. Since it is not a coating, it will not peel off, reducing maintenance processes such as lubricant replenishment. 【Features】 ■ Maintains sealing properties ■ Has low friction, wear resistance, and self-lubricating properties ■ The rubber itself has sliding properties, maintaining performance even with long-term use ■ Since it is not a coating, it will not peel off ■ Reduces maintenance processes such as lubricant replenishment *For more details, please refer to the PDF document or feel free to contact us.

• Rubber

In the "New Product Development Process," we conduct hearings to listen to customer requests and provide optimal technical proposals that meet customer needs. We select materials that satisfy the required specifications and propose precise and reliable molds, considering optimal materials, product shapes, required quality, and productivity. To ensure quality, we provide feedback on processing issues and customer feedback into the design. Through thorough quality control, we deliver products and services that satisfy our customers. 【Features】 ■ Optimal technical proposals for customer needs ■ Proposals for precise and reliable molds ■ Rapid prototype molding at our own factory ■ Establishment of necessary processes for mass production and smooth production systems ■ Flexible response to short delivery times and small lot requests For more details, please refer to our catalog or feel free to contact us.

• Other machine elements
• Rubber
• Other metal materials

Brain Seal Co., Ltd. has been a manufacturer of sealing components in various fields since its establishment in 1965. We have honed our creativity and technical skills to provide products that satisfy our customers through our well-equipped facilities and services. We actively respond flexibly to the changes of an advanced and diversified era, aiming to develop rubber materials and products that reflect our customers' needs. 【Business Description】 ■ Manufacturing and sales of rubber products, resin products, and related products used in precision control devices for water, gas, automobiles, machine tools, etc. For more details, please refer to our catalog or feel free to contact us.

• Other machine elements
• Rubber
• Other metal materials

The "UP Seal" is a rubber product that can be installed in O-ring grooves (P size). It has low sliding resistance (about 1/3 compared to O-rings) and excellent sealing properties, making it suitable for gases, air, water, oil, and more. The pressure range is from 0 kg/cm to 10 kg/cm, accommodating low-pressure usage conditions. It features a compact design. 【Features】 ■ Can be installed in O-ring grooves ■ Low friction ■ High sealing performance ■ Suitable for low-pressure usage conditions ■ Compact design For more details, please refer to the catalog or feel free to contact us.

• Other machine elements
• Rubber

"Self-lubricating rubber (Diene-based rubber)" is a special rubber that maintains sealing properties while possessing low friction and wear resistance. The rubber itself has slippery properties and maintains performance even with long-term use. Since it is not a coating, it will not peel off. Maintenance processes such as replenishing lubricants can be eliminated. It is used in sliding O-rings, automatic faucet valves, ball valves, and in industrial machinery for blades and sealing materials. [Features] - The rubber itself has slippery properties - Maintains performance even with long-term use - Will not peel off - Maintenance processes can be eliminated - Low friction and wear resistance For more details, please refer to the catalog or feel free to contact us.

• Other machine elements
• Rubber

"High-strength rubber (NBR material)" has higher tensile strength, tensile stress, and excellent compression set compared to general NBR material. NBR material with improved ozone resistance. It exhibits excellent tensile stress at 100% elongation. It has three times the performance in compression set, ensuring a long lifespan. In addition to its use in sealing materials such as O-rings and oil seals, it is also used in oil-resistant products such as oil-resistant hoses and conveyor belts. [Features] - Improved ozone resistance - High tensile strength - Excellent tensile stress - Excellent compression set - Long lifespan For more details, please refer to the catalog or feel free to contact us.

• Other machine elements
• Rubber

In the new product development process, we first conduct hearings to understand our customers' requests. We select materials that meet the required specifications and propose the most suitable materials. Considering product shape, required quality, and productivity, we suggest precise and reliable molds. To evaluate not only functionality but also quality, productivity, reliability, and cost, we quickly carry out prototype molding in our own factory. After evaluating the prototypes, we provide feedback on any processing issues and customer feedback to the design team to ensure quality. Utilizing state-of-the-art vacuum forming machines and measurement and testing equipment, we deliver high-quality products. We also respond flexibly to requests for short delivery times and small production runs. Through thorough quality management, we provide products and detailed services that satisfy our customers. For more details, please contact us or refer to our catalog.

• Other machine elements
• Rubber
• Other metal materials

There are vulcanized bonded products that require advanced bonding and processing technologies as "composite products." Examples include "metal + rubber bonding" and "resin + rubber." Additionally, Brain Seal Co., Ltd. is characterized by its high processing technology against peeling. Depending on the application and shape, we can propose materials and material types. We also have inspection equipment in place and can respond flexibly to inquiries. We also accept a variety of small lots. For more details, please contact us or refer to our catalog.

• Other machine elements
• Rubber
• Other metal materials

We would like to introduce the "rubber products" handled by Brain Seal Co., Ltd. The "UP Seal" possesses excellent sealing properties suitable for gas, air, water, oil, and more. It is compatible with low-pressure usage conditions and compact designs. We also offer "O-rings" and "gaskets" that meet requirements for heat resistance, cold resistance, oil resistance, and solvent resistance. 【Features】 <UP Seal> ■ Can be installed in O-ring (P size) grooves ■ Low sliding resistance (about 1/3 compared to O-rings) ■ Excellent sealing properties ■ Suitable for gas, air, water, oil, etc. ■ Compatible with low-pressure usage conditions and compact designs *For more details, please refer to the PDF materials or feel free to contact us.

• Rubber
• Contract manufacturing

We would like to introduce the "composite products" made of rubber and metal handled by Brain Seal Co., Ltd. The "valve components" are made of HNBR + SUS and can be used for precision regulators. We also offer various types of metal and rubber materials for bearings, as well as sealing components for semiconductor manufacturing equipment, and we can accommodate product specifications tailored to our customers' needs. 【Features】 <Valve Components> ■Material: HNBR + SUS ■Processing: Vulcanized bonding ■Can be used as a valve for precision regulators *For more details, please refer to the PDF document or feel free to contact us.

• others
• Contract manufacturing
• Composite Materials

This is an introduction to the "metal products" handled by Brain Seal Co., which manufactures and sells rubber products, resin products, and related products used in precision control devices such as water supply, gas, automobiles, and machine tools. ■□■ Product Lineup ■□■ ■ Balls - Valve balls (two-way valves, three-way valves, etc.) <φ15 to φ70> Metal materials: yellow steel, stainless steel, etc. ■ Pressed Products - Joint locks - Fittings (joint locks using balls) made of stainless steel ■ For more details, please contact us.

• Steel

We would like to introduce the "cut products" handled by Brain Seal Co., Ltd. We offer "gaskets," as well as "packing" such as rubber sheets and joint sheets, and "diaphragms" (rubber sheets with a base fabric). Our company manufactures and sells rubber products, resin products, and related products used in precision control equipment for water, gas, automobiles, machine tools, etc. Please feel free to contact us when you need assistance. 【Product Lineup】 ■ Gaskets ■ Packing - Rubber Sheets - Joint Sheets - Non-Asbestos Joint Sheets ■ Diaphragms (Rubber Sheets with Base Fabric) *For more details, please refer to the PDF document or feel free to contact us.

• others

This is an introduction to the "resin products" handled by Brain Seal Co., which manufactures and sells rubber products, resin products, and related products used in precision control equipment for water supply, gas, automobiles, machine tools, etc. ■□■ Product Lineup ■□■ ■ Engineering Plastic Molding Products Resin Materials: PPS, Nylon 66, Nylon 6, Delrin, PE, PP, PS, POM, PBT, etc. ■ Valve Balls (Resin Material: PPS, etc.) ■ Ball Seats (Resin Material: PTFE) ■ For more details, please contact us.

• plastic