| Customization: | Available |
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| Material: | NBR FKM Ffkm EPDM Silicon |
| Usage: | Engine, Hydraulic Automobile Industry, Medical, Chemical |
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NBR 70 FKM FPM Fluorelastomer Rubber Seal O-Rings Oring
Orings are used in a various machines as a compact sealing component. Orings can generally be classified into dynamic applications ("packing") and static applications ("gaskets").
NBR O ring is the most common and simplest types of seal with excellent sealing properties and durability. Used in engines and gearboxes, also found in anything from shower heads to an aircraft, garden hoses and pumps etc., They can be used as face to face gasket style seals or as shaft seals and allow both rotary and linear movement. They have a 70 Shore hardness and an operating temperature range of -30°C to +120°C. Highly resistant to many chemicals, petroleum, diesel, LPG etc.
| Appli-cation | General industrial machines | Automobiles | Aircraft | ||||
| Standard | JIS B 2401 | Old ISO 3601 |
JASO F 404 | AS 568 AS 28775A | |||
| Classi- fication |
JIS code | Remarks (hardness measured by type A durometer) |
Old JIS identifi cation code |
Remarks | Material class |
Remarks | Remarks |
Material |
NBR-70-1 NBR-90 NBR-70-2 EPDM-70 EPDM-90 VMQ- 70 FKM-70 FKM-90 HNBR-70 HNBR- 90 ACM-70 SBR-70* |
Mineral oil resistance (A70) Mineral oil resistance (A90) Gasoline resistance (A70) Animal oil, vegetable oil, and brake fluid resistance (A70) Animal oil, vegetable oil, and brake fluid resistance (A90) High-temperature application resistance (A70) High-temperature application resistance (A70) High-temperature application resistance (A90) Mineral oil and high-temperature application resistance (A70) Mineral oil and high-temperature application resistance (A90) High-temperature application and mineral oil resistance (A70) Animal oil and vegetable oil resistance (A70) |
Class 1-A Class 1-B Class 2 Class 3 - Class 4-C Class 4-D - - - - Class 3 |
For mineral- based fluids Class: JIS NBR-70-1 |
Class 1-A Class 2 Class 3 Class 4-C Class 4-D Class 4-E Class 5 |
General mineral oil resistance Gasoline resistance Animal oil, vegetable oil, and brake fluid resistance High-temperature application resistance High-temperature application resistance High-temperature application resistance Coolant resistance |
For mineral-based fluids Class: JIS NBR-70 NBR-90 FKM-70 |
| Appli-cation | P: For dynamic use and static sealing V: For vacuum flanges G: For static sealing S: For slim static sealing (not standardized in the JIS) |
For general industrial use |
For dynamic use and static sealing | For static sealing | |||
| ITEM | NBR | HNBR |
| Density, g/cm3 | 1.3 | 1.3 |
| Elongation at Break, % | 380 | 300 |
| Maximum Temperature Mechanical, °C | 110 | 190 |
| Strength to Weight Axial, points |
3.9 | 4.1 |
| Strength to Weight Bending, points |
12 | 12 |
| Tensile Strength Ultimate (UTS), MPa |
18 | 19 |
Acrylonitrile Butadiene Rubber (NBR), usually shortened to Nitrile, was developed in 1941 as the first oil resistant rubber. Grades with high acrylonitrile content have better oil resistance whereas low acrylonitrile content gives better low temperature flexibility and resilience.
We are a professional production and sales company. We integrate procurement, inspection and sales to provide customers with professional services. We have a professional purchasing team, inspection team and sales team, each member has professional oil seal product knowledge. The products we are good at include rubber products, O-rings, metal skeleton oil seals, hydraulic oil seals, automotive oil seals, etc. We have a wide range of oil seals and accessories in stock in our own warehouse, and delivery is guaranteed to be as fast as possible. We have won the satisfaction and recognition of customers all over the world with our business philosophy of quality first and customer demand first.
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