セキネシール工業 List of Products and Services

We would like to introduce our oil sheet 'S111'. This is a vulcanized fiber that has been treated with chemicals to nano-size the fibers from base paper primarily made of kraft pulp and similar materials, while also imparting flame retardancy. It is suitable for applications such as electrical insulation materials, batteries, and power components. Please feel free to contact us if you have any inquiries. 【Features】 ■ Excellent flame retardancy ■ Bending processing can be done smoothly by heating the bending part (150-200°C) *For more details, please refer to the PDF document or feel free to contact us.

• Paper and pulp products

We would like to introduce our oil sheet 'S110'. By chemically treating base paper primarily made from craft pulp, the fibers are nano-sized, resulting in a general-purpose electrical vulcanized fiber with a dense structure. It is suitable for various applications such as gasket materials and components for machinery. Please feel free to contact us if you have any inquiries. 【Features】 ■ Excellent electrical insulation properties ■ Superior mechanical strength and workability (punching, bending, and drawing processing) *For more details, please refer to the PDF document or feel free to contact us.

• Paper and pulp products

The "AF5400/AF5800" is a sheet-like gasket material made from special heat-resistant fibers, inorganic reinforcing materials, synthetic rubber with oil swelling properties, and recycled materials. When punching out the sheets, the cutouts and edge scraps are collected and recycled as material. The "AF5400" has high swelling properties in oil, preventing a decrease in tightening force and a reduction in surface pressure due to flange deformation, while the "AF5800" is characterized by an extremely low stress relaxation rate, especially under high surface pressure. 【Features】 ■ Can be used in areas where joint sheets are utilized, allowing for cost reduction ■ Reduces industrial waste and lowers waste disposal costs ■ Low stress relaxation rate ■ High swelling properties in oil, preventing a decrease in tightening force and a reduction in surface pressure due to flange deformation (AF5400) ■ Extremely low stress relaxation rate, especially under high surface pressure (AF5800) *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials

Sekineshiru Industrial is a manufacturer of gasket materials, thermal insulation, and soundproofing materials. This document includes a classification of our non-asbestos gasket materials and insulation/soundproofing materials. Gasket materials are categorized into "semi-metallic gasket sheets" and "non-metallic gasket sheets" for introduction. Additionally, we also offer special products and recycled products. For more details, please feel free to contact us. 【Featured Products】 ■ Cisco Metal ■ Steel Best ■ BS Joint Sheet ■ Beater Sheet ■ Oil Sheet ■ Insulation and Soundproofing Materials *For more information, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

In this list, we introduce the products handled by Sekineshiru Industrial, along with their features and applications. To meet the diverse new needs, we have prepared various products, including "Cisco Metal," "Beater Sheet," and "BS Joint Sheet." Additionally, our company is also working on the development of recycled products, which are currently available for sale. Please feel free to contact us when you need assistance. 【Contents】 ■ Type ■ Composition ■ Features ■ Applications *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"AF1902" is a sheet-like thermal insulation and soundproofing material made from special heat-resistant fibers, glass fibers, inorganic reinforcing materials, and a small amount of binder. It has excellent heat resistance, with a maximum operating temperature of 800°C. Additionally, it has a low thermal conductivity and is also excellent in insulation properties. This product is designed for thermal insulation and soundproofing of high-temperature areas such as exhaust manifolds, and is used by being sandwiched between cover plates. 【Features】 ■ Excellent heat resistance ■ Low thermal conductivity and excellent insulation properties ■ Maximum operating temperature: 800°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"No. 700M" is a gasket material made from base paper primarily composed of craft pulp, impregnated with synthetic rubber and synthetic resin that excels in oil resistance. It has excellent heat resistance, is resistant to thermal aging, and has good compressibility and resilience, making it compatible with rough joint surfaces. The dimensions are 1000mm in width and 1000mm in length, with thicknesses available in 0.3mm, 0.6mm, and 1.0mm, suitable for sealing water, oil, and fuel. 【Features】 ■ Low moisture absorption and minimal material expansion ■ Excellent heat resistance and low thermal aging ■ Rich in compressibility and resilience, compatible with rough joint surfaces ■ Standard operating temperature range: -40°C to 150°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"No.600K" is a gasket material made from a base paper primarily composed of craft pulp, which is treated with gelatin, softeners, and preservatives, and surface-coated with synthetic rubber to provide oil resistance. It excels in oil and solvent resistance, and the material is extremely uniform. It has high tensile strength, can be used under high surface pressure, and is also highly durable. Available thicknesses are 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.8mm, and 1.0mm, suitable for sealing water, oil, and fuel. 【Features】 - Particularly excellent in oil and solvent resistance, with extremely uniform material - High tensile strength, usable under high surface pressure, and highly durable - The rubber coating on the surface provides excellent compatibility with the opposing surface - Air sealing is possible if the joint surface condition is good - Standard operating temperature range: -40°C to 150°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

No. 600 is a gasket material made from base paper primarily composed of craft pulp, which is impregnated with gelatin, softeners, and preservatives, and surface-treated with synthetic rubber to provide oil resistance. If the joining surfaces are in good condition, it is also possible to create an air seal. One of its features is that the rubber coating on the surface provides excellent compatibility with the opposing surface. Additionally, it has high tensile strength, can be used under high surface pressure, and is highly durable. 【Features】 - Particularly excellent in oil and solvent resistance, with extremely uniform material - High tensile strength, usable under high surface pressure, and highly durable - The rubber coating on the surface provides excellent compatibility with the opposing surface - If the joining surfaces are in good condition, it is also possible to create an air seal - Standard operating temperature range: -40°C to 150°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"No. 500" is a gasket material made from base paper primarily composed of craft pulp, impregnated with various chemicals such as gelatin, softeners, and preservatives. It is particularly excellent in oil resistance and solvent resistance, and the material is extremely uniform. It has high tensile strength, can be used under high surface pressure, and is also highly durable. The dimensions are 1000mm in width and 1000mm in length, suitable for sealing areas involving water, oil, and fuel. 【Features】 ■ Particularly excellent in oil resistance and solvent resistance ■ Extremely uniform material ■ High tensile strength, usable under high surface pressure ■ Excellent durability ■ Standard operating temperature range: -40°C to 120°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"No. 300" is a gasket material made from paper with craft pulp as the main raw material, impregnated with various chemicals such as gelatin, softeners, and preservatives. The dimensions are 1000mm in width and 1000mm in length, with thickness options of 0.4mm, 0.5mm, and 0.8mm. It has excellent oil resistance and solvent resistance, and the material is extremely uniform, making it suitable for sealing water, oil, and fuel. 【Features】 - Main raw material is craft pulp - Paper-based gasket material - Excellent oil and solvent resistance - Extremely uniform material - Standard operating temperature range: -40°C to 120°C *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"S105R" is a gasket material made from craft pulp. It is very inexpensive, has low expansion and contraction in response to temperature changes, and its compression characteristics are a compression rate of 30% and a recovery rate of 40%. Additionally, the tensile strength (in the lateral direction) is 12 MPa. The sizes available are 1000×1000 with thicknesses of 0.3, 0.5, 0.8, 1.0, and 1.6 mm. 【Features】 ■ Very inexpensive ■ Made from craft pulp ■ Standard operating temperature range is -40℃ to 120℃ ■ Low expansion and contraction in response to temperature changes *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "FS020S2" is a gasket material made from a sheet consisting of special fibers, inorganic reinforcing materials, and oil-expandable synthetic rubber, which is bonded to both sides of a core material (steel plate). Additionally, the surface has undergone a burn-in prevention treatment. Since the surface material has a thickness of over 100μm on one side, its ability to absorb casting defects and surface roughness on the opposing surface is particularly excellent. Even under excessive loads, the surface material is reinforced with fibers, making it resistant to lateral flow. 【Features】 - A sheet made from special fibers, inorganic reinforcing materials, and oil-expandable synthetic rubber is bonded to both sides of the core material (steel plate). - Burn-in prevention treatment on the surface. - The surface material has a thickness of over 100μm on one side, providing excellent absorption of casting defects and surface roughness on the opposing surface. - Even under excessive loads, the surface material is reinforced with fibers, making it resistant to lateral flow. *For more details, please refer to the PDF document or feel free to contact us.*

• Composite Materials
• Other polymer materials

The "AF2800" is a sheet-like gasket material made from special heat-resistant fibers, inorganic reinforcing materials, and oil-expandable synthetic rubber. The standard operating temperature range is -40°C to 200°C, and the standard operating surface pressure is 4 MPa to 98 MPa. It can seal both antifreeze and oil. Additionally, it has a low stress relaxation rate and excellent durability. Available sizes are 500×1200 and 1000×1200. 【Features】 ■ Can seal both antifreeze and oil ■ Low stress relaxation rate and excellent durability ■ Standard operating temperature range is -40°C to 200°C ■ Standard operating surface pressure is 4 MPa to 98 MPa *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "AF2400" is a sheet-like gasket material made from special heat-resistant fibers, inorganic reinforcing materials, and oil-expandable synthetic rubber. It has a very high tensile strength and excellent durability. Additionally, it has a low stress relaxation rate, particularly at high temperatures and high surface pressures, where the stress relaxation rate is extremely low. It can be used directly in areas where joint sheets were previously used. 【Features】 ■ Very high tensile strength and excellent durability ■ Low stress relaxation rate ■ Extremely low stress relaxation rate, especially at high temperatures and high surface pressures ■ Can be used directly in areas where joint sheets were previously used ■ Standard operating surface pressure is 12MPa to 392MPa *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "AF2000" is a sheet-like gasket material made from special heat-resistant fibers, inorganic reinforcing materials, and synthetic rubber with oil swellability. Due to its high swellability in oil, it prevents the reduction of clamping force and the decrease in surface pressure caused by flange deformation, has a low stress relaxation rate, and is highly durable. It can be used in areas that seal lubricating oil and fuel. 【Features】 ■ High swellability in oil ■ Prevents reduction of clamping force and decrease in surface pressure due to flange deformation ■ Low stress relaxation rate and excellent durability ■ Standard operating temperature range is -40℃ to 200℃ ■ Standard operating surface pressure is 2MPa to 147MPa *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "AF1810SB" is a semi-metallic gasket material made from a sheet consisting of special heat-resistant fibers, inorganic reinforcing materials, and a small amount of synthetic rubber, which is bonded to both sides of a steel plate with hooks. The standard operating temperature range is -40°C to 500°C. It can be used in exhaust system areas where high strength is required at elevated temperatures. Sizes available include 400×1000, 500×1000, and 500×1200. 【Features】 ■ Standard operating temperature range is -40°C to 500°C ■ A sheet made from special heat-resistant fibers, inorganic reinforcing materials, and a small amount of synthetic rubber is bonded to both sides of a steel plate with hooks. *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "AF1800LL" is a semi-metallic gasket made from steel plates with a single-sided hook that are bonded together. It is available in sizes of 350mm x 1000mm, with thicknesses of 1.2, 1.6, and 1.8. It has high strength and excellent heat resistance. Additionally, it has a very low stress relaxation rate. The gasket conforms to the surface of the components, filling the gaps between them to seal fluids. 【Features】 ■ Bonded steel plate with a single-sided hook ■ High strength and excellent heat resistance ■ Very low stress relaxation rate ■ Gasket conforms to the surface of the components, filling the gaps between them ■ Capable of sealing fluids *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

The "AFL1800L" is a semi-metallic gasket material. It consists of special heat-resistant fibers, inorganic reinforcing materials, and a small amount of synthetic rubber, with one side of the sheet bonded to both sides of a steel plate with hooks. Additionally, the stress relaxation rate is 11%, and the high-temperature stress relaxation rate is 17%. It has a very low stress relaxation rate, high strength, and excellent heat resistance. 【Features】 ■ One side of the sheet made of synthetic rubber is bonded to both sides of a steel plate with hooks ■ High strength and excellent heat resistance ■ Very low stress relaxation rate *For more details, please refer to the PDF document or feel free to contact us.

• Composite Materials
• Other polymer materials

"ESO020" is a gasket material consisting of a sheet made from synthetic rubber that contains special fibers and inorganic reinforcing materials, and has oil resistance, bonded to both sides of a core material (steel plate). Due to the surface material being over 75μm on one side, it has superior absorbency for casting defects and surface roughness compared to typical rubber-coated types. The standard operating temperature range is -40°C to -300°C. 【Features】 ■ The surface material is over 75μm on one side, providing better absorbency for casting defects and surface roughness than typical rubber-coated types (with a coating thickness of 20-50μm on one side). ■ Even under excessive loads, the surface material is reinforced with fibers, making it less prone to lateral flow. *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials
• Composite Materials

The "GA1712/GS1612" is a drain plug gasket made from a sheet material consisting of aramid fibers, heat-resistant inorganic fibers, inorganic fillers, and a synthetic rubber binder, which is thermally bonded to both sides of a metal plate, and further treated with a release agent on the surface, offering various excellent features. It possesses high pressure resistance and excels in heat and oil resistance. Additionally, the gasket has good disassembly characteristics. 【Features】 ■ High pressure resistance ■ Excellent heat and oil resistance ■ Good disassembly characteristics ■ High electrical resistance ■ Minimal torque reduction *For more details, please download the PDF or feel free to contact us.

• Other polymer materials
• Other metal materials

"Beater Sheet" is a sheet-like gasket material made from special heat-resistant fibers, reinforcing materials, and synthetic rubber. Due to its high compressibility, it has excellent compatibility with mating surfaces and is suitable for sealing applications involving lubricants and fuels. We offer a lineup that includes the highly durable "AF70" and the "AF74," which can seal even under bottom surface pressure. [Features] ■ High compressibility ■ Excellent compatibility with mating surfaces *For more details, please download the PDF or feel free to contact us.

• Other polymer materials
• Composite Materials