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O-Ring Supply Co.

Industrial Sealing Solutions - Factory Direct

ISO 9001 certified O-ring manufacturer with 20+ years experience. Factory-direct supply of NBR, HNBR, FKM, EPDM, Silicone, PTFE, FFKM, PU, CR, AFLAS, FEP Encapsulated, backup rings and O-ring kits worldwide.

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Engineering Guide

EV Battery Pack Sealing: Thermal Runaway Barriers & GB 38031-2025

EV battery pack O-ring and gasket sealing for thermal runaway containment. Material selection for IP67 enclosures, vent valves and GB 38031-2025 compliance.