NBR 4055 by Sibur is an acrylonitrile butadiene rubber (NBR) copolymer grade. Contains high acrylonitrile content (36-40%). Offers very high oil resistance. It is insoluble in water & fats and soluble in ketones, ethyl acetate & chloroform. NBR 4055 is recommended for production of molded & unmolded goods, insulation rubbers, seals, gaskets, cup-type seals, hoses, fuel hoses, coatings for various rolls & chemical devices, technical plates, rubber-fabric materials, driving belts, sealing compounds, adhesives, special-purpose rubber shoes, thermoresistant goods, coating acid proof goods, alkali-proof goods, asbestos goods, compressed asbestos fiber sheets, friction materials & brake-shoe linings and plastic modification applications.
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NBR 4055 properties
Flammability properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Auto-ignition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
Mechanical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Elongation at Break | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Tensile Strength | 0.0 Visible After Login | Visible After Login | Visible After Login |
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Ash Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity, Mooney | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Volatile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
Physical properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acrylonitrile Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
Thermal properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Decomposition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Ignition temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |