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This black NBR O-ring is a universal circular sealing gasket, made of high-quality nitrile rubber. It features excellent oil resistance, waterproof performance and good wear resistance. Widely used in hydraulic equipment, pneumatic components, pipeline connections, automotive parts and various industrial machinery to prevent liquid and gas leakage. Suitable for static and dynamic sealing scenarios, easy to install and replace, an essential sealing accessory for maintenance and assembly.
✅ SURFACE TREATMENT
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Powder Coating/Liquid Painting
✅ R&D OFFICE

✅ TESTING EQUIPMENT

✅ CUSTOM PROCESS

✅ 9. FAQ
1:What do you need before quoting?
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1: Technical drawing(PDF/STEP/DWG/DX-F/IGES/CAD etc.
2: Material, Quantity, Surface treatment.
3: Any other special requitements.
2: Can you provide inspection service for samples?
1: YES, we will provide inspection report for your reference before shipping.
3: Except products, can you customize the packaging?
1: YES, we can customzie all kinds of packages here.
4: What's the lead time for smaples?
1 : If no need mold, usually 5-7 days, if need mold, usually 20-25 days.
5: You can do all kinds of surface treatment too?
1: Of course! PIs check the detailed surface treatment file above, it basically contains all the surface treatment that we can make here.
6: Do you provide after-sales service?
1 : YES, for regular products, we provide 1year after-sales service