For customers in the Tokai area: It's important to choose materials suitable for the usage environment! Please consult us if you are having trouble with rubber materials.
At our company, we select materials based on our extensive knowledge and proven track record in sales and verification. Some rubber materials can develop cracks on their surface when exposed to ozone or ultraviolet light. This occurs because, when left in the atmosphere, ozone causes a chemical reaction in the rubber, leading to molecular-level breakage. It is important to choose materials suitable for the usage environment of the rubber. If you are struggling with rubber material selection, please feel free to consult us. A must-see for customers in the Tokai region, especially in Shizuoka, Aichi, and Yamanashi prefectures! You can start with a consultation. Please do not hesitate to contact us. 【Testing Conditions (Excerpt)】 ■Test specimen: O-ring P-24 (Inner diameter 13.8 x wire diameter 3.5) ■Rubber materials: Nitrile (NBR), Fluoroelastomer (FKM), Silicone (VMQ), Ethylene Propylene (EPDM) ■Elongation rates: 10%, 20%, 30% ■Testing location: Outdoor exposure ■Evaluation criteria: Degree of cracking *For more details, please refer to the PDF document or feel free to contact us.
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【By Material (Excerpt)】 <Nitrile Rubber (NBR)> ■Testing Period: 30 days ■Result: Cracking occurred <Fluoro Rubber (FKM)> ■Testing Period: 180 days ■Result: No cracking occurred <Silicone Rubber (VMQ)> ■Testing Period: 180 days ■Result: No cracking occurred *For more details, please refer to the PDF document or feel free to contact us.
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Matsumoto Sangyo Co., Ltd. was established as an agent for NOK Corporation, a top manufacturer of sealing products, and has since added LOCTITE products (now Henkel Japan), a global brand of liquid gaskets and adhesives, to its lineup. Sealing products are used in various machinery and devices, often in inconspicuous ways, to prevent oil and water leaks and to block the intrusion of external debris and foreign objects. These products are essential mechanical components found in everything around us, from automobiles and motorcycles to construction machinery, aircraft, ships, railway vehicles, agricultural machinery, oil plants, home appliances, household rubber goods, and plumbing. Sealing products exist in an almost infinite combination of shapes, dimensions, and materials tailored to specific applications, sealed fluids, environmental conditions, and temperatures, resulting in a wide variety of products. At Matsumoto Sangyo Co., Ltd., we leverage the expertise accumulated since our founding to comprehensively assess "quality," "price," "production capacity," and "supply system," regardless of domestic or international manufacturers, and propose products that meet our customers' needs.
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