Factory Silicone NBR FKM Rubber O-ring
Brand: Best Seal
Place of Origin: Xiamen, China
Certification: ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGS
Material Options: NBR / Silicone / FKM (Viton®)
Hardness Range: 20–90 Shore A
Temperature Range: -60°C ~ +250°C
Size Range: Standard AS568 or fully customized to your specifications
Color Options: Black, brown, transparent, or tailored colors
Daily Production Capacity: 5 million pcs
Products Description
Our factory supplies high-quality silicone, NBR (Nitrile), and FKM (Viton®) rubber O-rings, suitable for a wide range of industrial, mechanical, and fluid sealing applications. These O-rings form reliable seals to prevent leakage of liquids or gases, ensuring system efficiency and safety.
Key Performance Guarantees
Precision & Custom Fit – Manufactured to exact dimensions, supporting both standard AS568 and fully custom sizes to ensure a perfect seal for your unique application.
Material Reliability – Available in NBR, EPDM, Silicone, FKM (Viton®), PTFE, and other materials on request, each selected for chemical, thermal, and wear resistance.
Wide Temperature Range – Operates reliably from -60°C to +250°C, suitable for extreme environments.
Durability & Longevity – High-quality materials and precise manufacturing minimize deformation, leakage, and wear.
Regulatory Compliance – Certified with ISO 9001, CE, UL, FDA, NSF, WRAS, RoHS, REACH, SGS to guarantee safety and quality standards.
Consistent Production Capacity – Daily output of 5 million pieces, ensuring on-time delivery for both small and large orders.
Custom Color & Hardness Options – Flexible color choices and hardness (20–90 Shore A) to match your design and functional needs.
Material Comparison Table
|
Feature / Material |
NBR |
FKM (Viton®) |
EPDM |
Silicone |
HNBR |
|
Hardness (Shore A) |
30–90 |
50–90 |
40–90 |
5–90 |
50–90 |
|
Temp Range |
-40°C ~ +120°C |
-20°C ~ +250°C |
-50°C ~ +150°C |
-60°C ~ +230°C |
-40°C ~ +150°C |
|
Key Features |
Oil/fuel/grease resistance; good mechanical properties |
Heat, chemical, oil resistance |
Weather, ozone, water, steam resistance |
Flexibility, wide temp, food-grade options |
Heat, oil, chemical resistance, aging resistance |
|
Advantages |
Affordable, versatile, good wear resistance |
Excellent high-temp and chemical resistance |
Excellent outdoor & water system performance |
Excellent low/high temp performance, food-safe |
Superior durability and mechanical properties |
|
Limitations |
Poor ozone/weather resistance |
Expensive, harder to process |
Poor oil/fuel resistance |
Low mechanical strength, expensive |
Cost higher than NBR |
|
Typical Applications |
Automotive seals, hydraulic systems, general machinery |
High-temp automotive, aerospace, chemical industry |
Plumbing, water systems, HVAC, outdoor sealing |
Food & beverage, medical, electrical insulation, extreme temp |
Automotive, industrial hydraulics, oil & gas sealing |
All materials comply with FDA, WRAS, and NSF standards for potable water applications, ensuring safety and reliability in household and commercial use.
O Ring Applications
They provide reliable sealing performance without deformation or leakage.
Typical Applications:
Plumbing systems: Prevent water leakage in joints and pipes.
Machinery & equipment: Used for hydraulic and pneumatic sealing.
Automotive parts: Suitable for engine, fuel, and brake systems.
Home & garden tools: Replacement parts for Bunnings machinery and DIY projects.
Products Advantages
1. Long Service Life
The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.
2. Superior Sealing Effect
Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.
3. Environmentally Friendly Production
All materials comply with RoHS and REACH standards, ensuring environmental safety during use.
Why Choose US ?
1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.
2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.
3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery
Focus on Quality
•Precise inspection, zero-defect quality, ensuring both delivery time and quality.
•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;
•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.
Packing & Delivery
|
MOQ |
1 pcs |
|
Lead Time |
- In stock: Shipped within 3 days |
|
Port |
China Xiamen |
|
Shipping Methods |
Express (DHL, FedEx, UPS), Air, or Sea |
|
Sample Policy |
Samples available; customer should pay freight cost |
Qualification Certificate
Contact US：
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
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