Black Rubber O-Ring NBR FKM PU EPDM Silicone O Ring Rubber Oring. Wide Material Selection: Available in NBR, FKM, Silicone, EPDM, and PU to suit various applications. High Pressure Resistance: Withstands static pressure up to 40 MPa and dynamic pressure below 15 MPa. Customization Capability: Non-standard parts can be produced based on customer drawings or samples. ISO 9001 Certified: Manufactured in accordance with international standards with strict quality control. Fast Stock Delivery: Standard products in stock can be shipped within 3-5 business days. 15+ Years Experience: Factory has over 15 years of professional experience in sealing products. Comprehensive Product Line: Includes O-rings, TC oil seals, V/Y/J seals, and silicone gaskets.