Premium Custom FKM HNBR Silicone O-Ring Seals for Hydraulic Applications. Customizable Sizes and Colors: Available in custom sizes, shapes, and colors to match specific design requirements. Wide Material Selection: Offered in NBR, FKM, Silicone, EPDM, and other premium rubber materials. High Temperature Resistance: Operates reliably within a temperature range of -20 to +220 degrees Celsius. High Pressure Performance: Designed to prevent leaks under extreme pressure conditions in hydraulic systems. OEM and ODM Services: Full customization support including logo, color, and structural design modifications. ISO 9001 Certified Quality: Manufactured under strict ISO9001:2015 and ISO45001:2018 management standards. Fast Sample Delivery: Free samples available with a lead time of just 15 days. Comprehensive Testing: 100% visual and functional inspection with tensile strength and aging resistance tests.