Kelong New Materials
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High Temperature and Wear-resistant Silicone/FKM/NBR O-Rings are designed for waterproof and industrial sealing applications.
Range: -30°C to 125°C | Hardness: 40-90A
Advantage: Excellent oil resistance and stability, widely used, affordable.
Range: 20°C to 250°C | Hardness: 50-90A
Advantage: Exceptional chemical resistance, wear resistance, acid/alkali resistance.
Range: 60°C to 225°C | Hardness: 25-90A
Advantage: Food grade, good heat/cold resistance, and water resistance.
Range: 50°C to 150°C | Hardness: 40-90A
Advantage: Superior ozone, steam, and LLC resistance.
Range: -30°C to 160°C | Hardness: 50-90A
Advantage: Enhanced ozone resistance and mechanical strength compared to standard rubber.
Specialized options for mechanical strength, fatigue resistance, or extreme temperature (-100°C to +280°C).
| Material Type | Hardness (Shore A) | Temperature Range | Standard Size Systems | Available Sizes |
|---|---|---|---|---|
| NBR (Buna, Nitrile) | 60-90 | -55℃ to 110℃ | AS-568 (USA) JIS-B2401 (Japan) DIN-3771 (Germany) BS-1516 (UK) ISO3601 R (France) |
ID ≤ 2000mm CS ≤ 40mm |
| FKM (FPM) | 70-90 | -20℃ to 250℃ | ||
| EPDM | 60-90 | -45℃ to 150℃ | ||
| Silicone (VMQ) | 10-70 | -60℃ to 280℃ | ||
| HNBR | 60-90 | -48℃ to 180℃ | Certificate: ISO9001 | App: Auto Industry |
| PTFE | 60-70 | -100℃ to 280℃ | Certificate: RoHS/FDA | App: Food/Health |
