NBR 90 O-Ring: High-Performance Sealing for Demanding Industrial Applications
The NBR 90 O-Ring-manufactured by Xiamen Jinshun Sealing Technology Co., Ltd.-is a heavy-duty sealing component made from Nitrile Butadiene Rubber (NBR) with a 90 Shore A hardness rating. This higher durometer offers excellent resistance to compression, abrasion, fuel, and hydraulic oils, making it ideal for applications that demand durability under high pressure and harsh environments.
Whether you're sourcing O-rings for hydraulic systems, automotive parts, industrial pumps, valves, or filtration equipment, our NBR 90 O-Rings deliver stable performance and long service life at a competitive cost.
Why Choose NBR 90 O-Rings?
✔ High Hardness (90 Shore A)
Perfect for high-pressure sealing where softer O-rings may deform.
✔ Exceptional Oil & Fuel Resistance
NBR is known for its outstanding resistance to:
- Petroleum-based oils
- Diesel & gasoline
- Hydraulic fluids
- Lubricants
✔ Wide Working Temperature Range
Stable performance from -40°C to +120°C, suitable for most industrial and automotive environments.
✔ Custom Sizes, Colors & Materials
We support custom molding based on drawings, samples, or performance requirements.
✔ Meets International Standards
Manufactured in compliance with GB / ASTM / NSF standards for global applications.
Technical Specifications
NBR 90 O-Ring Parameters
| Item | Specification |
|---|---|
| Material | NBR (Nitrile Butadiene Rubber) |
| Hardness | 90 Shore A |
| Temperature Range | -40°C to +120°C |
| Size | Custom-made |
| Color | Custom-made |
| MOQ | 50 pcs |
| Certifications | GB / ASTM / NSF |
| Origin | China |
| HS Code | 40169310 |
| Mold Time | ~15 days |
| Sample Time | 7–10 days |
| Production Lead Time | 12–18 days after sample approval |
| Packaging Options | PE bag / OPP bag / color box / PET box / customized |
| OEM/ODM | Available |
Applications of NBR 90 O-Rings
NBR 90 O-rings are widely used in industries where durable, oil-resistant sealing is critical:
- Hydraulic cylinders & pumps
- Pneumatic equipment
- Water filtration systems
- Automotive fuel systems
- Industrial machinery
- Chemical processing equipment
- RO membrane housings
- Home appliances & plumbing components
Xiamen Jinshun also supplies custom rubber components including Y-seals, RO membrane seals, silicone tubes, shower gaskets, and more-supporting OEM & ODM projects for global brands.
Benefits You Get Working With Us
Reliable Manufacturing Partner
- 15+ years of rubber sealing production experience
- Exported to 40+ countries
- Advanced molding and quality inspection lines
Strict Quality Control
- 100% visual inspection before packing
- Material testing for hardness, tensile strength, and compression set
Fast Delivery & Flexible Customization
- Rapid prototyping in 7–10 days
- Small MOQ to support startups and distributors
- Experienced engineers help optimize cost and performance
FAQs About NBR 90 O-Rings
1. What makes NBR 90 O-rings different from standard NBR O-rings?
The main difference is the hardness. NBR 90 has 90 Shore A hardness, making it stronger and more resistant to high pressure and wear compared to softer grades like NBR 70.
2. Are NBR 90 O-rings suitable for fuel applications?
Yes. NBR is one of the best materials for fuel, diesel, and oil resistance, making it ideal for automotive and hydraulic industries.
3. Can you produce NBR O-rings based on my drawing or sample?
Absolutely. We offer custom molding, including non-standard sizes, special shapes, and personalized packaging.
4. What is your minimum order quantity?
The MOQ is 50 pieces, making it easy for small businesses and distributors to start.
5. How long does production take?
After sample approval, bulk production typically takes 12–18 days, depending on the order quantity.
6. Do you offer OEM and ODM services?
Yes, we support both OEM and ODM, including custom dimensions, colors, branding, and packaging.
work with china O-ring seal manufacturer
Ready to source high-performance NBR 90 O-Rings directly from a certified manufacturer in China?
👉 Contact Xiamen Jinshun Sealing Technology today for a fast quote.
We support OEM/ODM, custom molding, and global shipping.
Request Your Free Sample & Quotation Now!
