Hebei Jinwo Machinery Technology Co., Ltd. is one of the leading manufacturers and suppliers of nbr fkm rubber o ring in China. With abundant experience, we warmly welcome you to buy bulk durable nbr fkm rubber o ring in stock here from our factory. All customized products are with high quality and competitive price. Contact us for quotation.
The NBR FKM Rubber O Ring is a versatile sealing solution designed for exceptional oil and chemical resistance. Engineered to perform in temperatures from -30°C to +250°C, it provides a dependable, leak-proof barrier for hydraulic systems, automotive engines, and industrial pumps, ensuring long-lasting durability in demanding environments.
Product MOQ Standard (O-Rings)
|
Inside Diameter (ID) |
Min. Order Quantity (MOQ) |
If In-Stock |
|
≦ 30 mm |
1,000 PCS |
B2B MOQ Negotiable |
|
30 mm – 80 mm |
500 PCS |
B2B MOQ Negotiable |
|
80 mm - 150 mm |
200 – 300 PCS |
B2B MOQ Negotiable |
|
> 150 mm |
100 – 200 PCS |
B2B MOQ Negotiable |
Material Specifications & Performance Matrix
|
Parameter |
Specifications |
|
Material Type |
NBR (Nitrile) / FKM (Viton) |
|
Temperature |
-30℃ to + 250 ℃ (Material Dependent) |
|
Color |
Black (NBR) / Brown, Black (FKM) |
|
Application Scenario |
Hydraulic, Fuel systems, Engines, Pumps |
|
Tensile Strength |
≥ 10 to 14 MPa |
|
Hardness |
70/75/90 ± 5 Shore A |
|
Compression Set |
≤ 15% to 25% |
|
Size |
Full range in stock / Custom sizes supported |
Manufacturing Excellence & Quality Control
Our production line utilizes high-precision compression molding and vacuum vulcanization to eliminate internal air pockets, ensuring the structural integrity of every NBR FKM Rubber O Ring.
We maintain strict control over the flash line, keeping it below 0.05mm to prevent potential leak paths in high-pressure environments.
Every batch undergoes rigorous testing for oil immersion, heat aging, and compression recovery, including our high-performance o ring epdm 70 variants.
Furthermore, our automated optical sorting equipment inspects 100% of the products to guarantee that only able o rings reach our B2B partners, meeting ISO 3601-1 Class A standards.
Global Standards & Applications
These seals are fully compliant with AS568, JIS B2401, and Metric standards, allowing for seamless integration of metric viton o rings into diverse international machinery and equipment.
NBR variants are the industry standard for general hydraulic systems, fuel handling, and pneumatic tools due to their excellent oil resistance and cost-effectiveness.
For specialized electronics, we offer the emi o ring to provide both sealing and electromagnetic shielding. FKM rings are specifically engineered for high-temperature automotive engines, chemical processing units, and aerospace applications where chemical stability is a critical requirement.
Their versatility, including food-safe metal detectable o rings, makes them essential components in everything from household appliances and water faucets to heavy-duty industrial pumps and oil refinery infrastructure.
Why Choose Jinwo - Supply Chain Advantage
Jinwo manages a massive ready-to-ship inventory of standard NBR FKM Rubber O Ring sizes, enabling us to provide lightning-fast fulfillment for urgent maintenance or production needs.
We offer factory-direct pricing by optimizing our raw material sourcing and manufacturing workflows, ensuring significant cost savings for high-volume wholesale buyers.
Our engineering team provides professional technical assistance, helping clients navigate complex material compatibility charts to select the most durable elastomer for their specific medium.
With decades of experience in the automotive and industrial sectors, we guarantee that our products meet the highest durability benchmarks and global compliance regulations.
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