For customers in the Tokai area: Evaluated using the compression permanent strain rate % as a guideline for deformation (collapse) volume! We propose suitable products according to the application.
Our company estimates the lifespan of O-ring seals based on the compression set percentage. O-rings are used in a compressed state, and the sealing is achieved through the reaction force of the compressed O-ring. As the O-ring is used in this compressed state, it gradually experiences wear, leading to a decrease in the reaction force. When the amount of wear becomes significant, the sealing function diminishes. The amount of wear (compression) can be evaluated as a percentage of the compression set. We propose suitable products based on the application. Please contact us when you need assistance. Attention customers in the Tokai area, especially in Shizuoka, Aichi, and Yamanashi prefectures! Feel free to reach out, even if it's just for a consultation. [Test Overview] ■ Samples (Fluoroelastomer O-rings): (1) NOK, (2) Company A, (3) Company B ■ Material: FKM hardness 70° ■ Wire diameter (thickness): φ2.4 ■ Test environmental conditions: 25% compression at 200℃ AIR ■ Measurement time intervals: After 24 hours and after 72 hours ■ Measurement items: Compression set percentage (%) = 2. Residual compression amount / 1. Compression amount during testing x 100 *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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