Nitrile Butadiene Rubber O Rings , 1.98 *1.9 NBR / Natural Rubber O Ring
product detail
1,Product Description
High Temperature And Wear-resistant Silicone/FKM/NBR O Ring Waterproof Rubber O Rings
Product Performance
1.Good sealing and damping.
2.Waterproof.
3.Aging resistance.
4.Ozone resistance.
5.Oil resistance.
6.Pressure
7.resistance.
8.High and low temperature resistance.
2,Material analysis
NBR
Temperature range: -30°C to 125°C Hardness: 40-90A Color: Customizable Application: Excellent oil resistance Advantages: Excellent
oil resistance and stability, widely used, affordable price
FKM
Temperature range: 20°C to 250°C Hardness: 50-90A Color: Black/brown/green, other colors can be customized Application: Excellent
oil and chemical resistance Advantages: Wear resistance, acid and alkali resistance, high temperature resistance.
SILICONE
Temperature range: 60°C to 225°C Hardness: 25-90A Color: Red/transparent (clear)/white, etc. Application: Food grade Advantages:
Good heat resistance, cold resistance, lubricating oil resistance, and water resistance.
EPDM
Temperature range: 50°C to 150°C Hardness: 40-90A Color: Customizable Advantages: Excellent ozone resistance, heat resistance,
steam resistance, cold resistance, and LLC resistance.
NR
Temperature range: -44°C to 120°C Hardness: 60-90A Color: Customizable Advantages: Excellent mechanical strength and fatigue resistance.
HNBR
Temperature range: -30°C to 160°C Hardness: 50-90A Color: Black, other colors can be customized Advantages: Excellent ozone
resistance, heat resistance, mechanical strength, and electrical resistance compared to butadiene rubber.
| KELONG Rubber O-Ring Seals | ||||
| Material | Hardness(Shore A) | Temperature | Size | |
| Standard Size | Available | |||
| NBR(Buna,Nitrile) | 60-90 | 55℃-110℃ | AS-568(USA) JIS-B2401(Japan) DIN-3771(Germany) BS-1516(UK) ISO3601(International) R(France) | ID≤2000mm CS≤40mm |
| FKM(FPM) | 70-90 | -20℃-250℃ | ||
| EPDM | 60-90 | -45℃-150℃ | ||
| Silicone(VMQ) | 10-70 | 60℃-280℃ | ||
| HNBR | 60-90 | 48℃-180℃ | ||
| EFKM | 70-90 | -18℃-326℃ | ||
| PU | 90~95 | -40℃-90℃ | ||
| PTFE | 60~70 | -100℃-280℃ | ||
| Resistance | Color | Certificate | Application | |
| Hydraulic Fluid | Black | IS09001 | Auto Industry | |
| Engine Oil | Brown | IS014001 | Construction Machinery | |
| Chemical | Red | TS16949 | Machine Tool Equipment | |
| Ozone | Green | RoHS | Food Health | |
| Steam & Hot Water | White | REACH | Water Treatment | |
| Low Temperature | Blue | FDA | Chemical Processing | |
| High Temperature | Clear | SGS | Hydraulic Pneumatic | |
| Customized | Industrial Manufaturing | |||
3,Product introduction
4,Product details
● applicable to a wide range of pressure, temperature and clearance
● generally, the required groove space is small and light
●under correct service conditions, the service life of O-ring can reach the material aging limit
● O-ring seal failure is generally gradual and easy to find and judge
● the price is generally lower than other sealing forms