Material Options: NBR, EPDM, Silicone, FKM, FFKM
Temperature Range: -60°C to +320°C (material dependent)
Hardness: 20–90 Shore A
Standards Available: AS568, ISO 3601, JIS B 2401, customized sizes
Certifications:
Colors:
Packaging: Bulk, individual bags, or OEM branded
Our rubber O-rings are precision-engineered sealing components designed for reliable performance in a wide range of industrial and commercial applications. They are made with high-quality elastomers such as NBR (Nitrile), EPDM, Silicone, FKM (Viton®), and FFKM, which are excellent resistant to oils, fuels, water, chemicals, and heat-resistant.
Whether you need standard or customized rubber O-rings, we offer high-precision, cost-effective sealing solutions to meet your project requirements.
| Key attributes | |||
| Type | Rubber Wire Hardness Seal, Rubber Connector seal | Temperature | -20-100°c,-30-200°c,-20-150°c |
| Application | Cylinder Seal, Pipeline Seals, Automotive Seals, Aerospace Seals, Food-Grade Seals, Engine Gaskets Seals, Cooling System Gaskets Seals | size | Customized Size |
| model number | Customized Model pl | place of origin | Guangdong, China |
| Brand Name | HAO-O | Product name | Customized Rubber Parts |
| Material | NBR FKM EPDM CR Silicone etc. | Color | Customer's Request |
| Size | Accpet Customers' Designs | Usage | Multi-purpose |
| Shape | Custom Shape | Certification | ROSH CE ISO 9001 ISO140011ATF16949 |
| MOQ | 1000pcs | Logo | Customized Logo Availabled |
| Delivery time | 7~15 Days | ||
| Packaging and delivery | |||
| Selling Units | Single item | Single package size | 45X32X31cm |
| Single gross weight | 21.000 kg | ||
Aflas or Kalrez(FFKM)
Acrylate Rubber(ACM)
Ethylene-propylene(EPR, EPDM)
Fluorocarbon(FKM/FPM)
Fluorosilicone(FVMQ)
Hydrogenated Nitrile(HNBR)
Neoprene Rubber(CR)
Nitrile Rubber(Buna-N/NBR)
Polyurethane(PU)
Silicone Rubber(VMQ)
Styrene-butadiene Rubber(SBR)
Polytetrafluoroethylene(PTFE)
O-Ring
Square Ring
X-Ring
D-Ring
Durable and wear-resistant
Superior sealing performance under pressure
Wide compatibility with fluids and gases
Customized sizes, materials, and colors available
| Industry / Application | Typical Equipment / Components | Recommended Material |
| Hydraulics / Pneumatics | Cylinders, valves, pumps, pneumatic actuators | NBR / FKM |
| Automotive | Engines, transmissions, fuel systems | FKM / HNBR/ AEM |
| Liquid Cooling Systems | Data center cooling, EV battery cooling | EPDM |
| New Energy | PV inverters, energy storage systems | EPDM / Silicone |
| Food & Medical | Filling machines, medical devices | Silicone (FDA& BPA-Free) |
| Semiconductor | Etching equipment, deposition equipment | FFKM / FKM |
| Industrial Machinery | Gearboxes, compressors, vacuum pumps | NBR / FKM |
| Material | Temperature Range | Oil Resistance | Water/Glycol Resistance | Wear Resistance | Cost | Best For |
| NBR | -40°C ~ 120°C | ⭐⭐⭐⭐⭐ | ⭐ | ⭐⭐⭐⭐ | $ | Oil seals, fuel hoses |
| FKM | -20°C ~ 225°C | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | ⭐⭐⭐ | $$$ | High temp oil seals, engines |
| EPDM | -55°C ~ 150°C | ❌ | ⭐⭐⭐⭐⭐ | ⭐⭐ | $$ | Water hoses, brake systems |
| VMQ (Silicone) | -60°C ~ 225°C | ❌ | ⭐⭐ | ❌ | $$$ | Food grade, low temp applications |
| HNBR | -40°C ~ 150°C | ⭐⭐⭐⭐⭐ | ⭐⭐ | ⭐⭐⭐⭐ | $$$ | AC refrigeration, oil fields |
| FFKM | -20°C ~ 275°C | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐⭐ | ⭐⭐⭐ | $$$$$ | Semiconductors, strong acids/bases |
