Kelong New Materials
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O-rings are essential sealing elements designed for both static and dynamic applications across various industries. These customized rubber seals offer reliable performance in demanding environments, ensuring leak-proof operations.
| Material | Hardness (Shore A) | Temperature Range | Standard Size | Available Range |
|---|---|---|---|---|
| NBR (Buna, Nitrile) | 60-90 | -55°C - 110°C | AS-568 (USA) JIS-B2401 (Japan) DIN-3771 (Germany) BS-1516 (UK) ISO3601 R (France) |
ID ≤ 2000mm CS ≤ 40mm |
| FKM (FPM) | 70-90 | -20°C - 250°C | ||
| EPDM | 60-90 | -45°C - 150°C | ||
| Silicone (VMQ) | 10-70 | -60°C - 280°C | ||
| HNBR | 60-90 | -48°C - 180°C | ||
| PTFE | 60-70 | -100°C - 280°C |
| Resistance Capability | Available Colors | Certifications | Main Applications |
|---|---|---|---|
| Hydraulic Fluid, Engine Oil, Chemicals, Ozone, Steam, Hot Water, High/Low Temperature | Black, Brown, Red, Green, White, Blue, Clear, Customized | ISO9001, ISO14001, TS16949, RoHS, REACH, FDA, SGS | Auto Industry, Construction Machinery, Machine Tools, Food & Health, Water Treatment, Chemical Processing, Pneumatics |
| Fluid Type | Fluid Name | HNBR | NBR | EPDM | FKM |
|---|---|---|---|---|---|
| Steam | Steam (150°C) | Good | Poor | Excellent | Fair |
| Organic Acid | Acetic Acid | Good | Good | Excellent | Good |
| Inorganic Acid | Hydrochloric Acid (25%) | Good | Good | Excellent | Good |
| Base | Sodium Hydroxide (30%) | Excellent | Good | Excellent | Good |
| Alcohol | Ethanol | Excellent | Excellent | Excellent | Excellent |
Rating Scale: Excellent | Good | Fair | Poor
