Material Options & Performance
NBR O-Ring Cord (Nitrile)
Perfect for oil & fuel resistance, commonly used in automotive, hydraulic cylinders, pumps, and heavy machinery.
EPDM O-Ring Cord
Excellent resistance to weather, ozone, steam, and high temperatures; ideal for outdoor systems and water applications.
FKM / Viton® O-Ring Cord
High chemical and temperature resistance; used in demanding environments such as chemical processing, motors, oil & gas systems.
Silicone O-Ring Cord
Wide operating temperature range from –60°C to +200°C. Medical, food-grade, and electronics options available.
Neoprene O-Ring Cord
Balanced resistance to weathering, cooling mediums, and mechanical wear.
Customization & Fabrication Services
QZSEALS offers complete customization based on your O-ring cord needs:
Cut-to-length supply
Vulcanized O-rings with strong, seamless joints
Glued O-rings for low-cost solutions
Bulk spools for maintenance and OEM use
Custom colors and hardness
For long-term sealing performance, vulcanized joints are recommended over glue joints.
cylindersmachine tools, spindle seals.
Applications
Consistent cross-section tolerance
High-quality elastomer materials
Competitive pricing with reliable stock
Fast shipping & stable production capacity
Support for OEM customized O-rings
Technical team to recommend materials & designs
We help customers choose the correct material, diameter, hardness, and joining method based on application temperature, chemicals, and pressure.
Standard sizes
1.00mm
1.50mm
1.60mm
1.78mm
2.00mm
2.40mm
2.50mm
2.62mm
3.00mm
3.50mm
3.53mm
4.00mm
4.50mm
4.70mm
5.00mm
5.50mm
6.00mm
6.35mm
6.50mm
7.00mm
7.50mm
8.00mm
8.50mm
9.00mm
9.50mm
10.00mm
11.00mm
12.00mm
12.70mm
13.00mm
14.00mm
15.00mm
16.00mm
17.00mm
18.00mm
19.00mm
20.00mm
22.00mm
23.00mm
24.00mm
25.40mm
28.00mm
30.00mm
31.00mm
35.00mm
40.00mm
45.00mm
50.00mm
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