Raw Materials Hydrogenated NBR

# We sell plastic and rubber raw material # Raw Materials Hydrogenated NBR

 

HNBR and NBR

When the actual application of NBR exceeds 120℃, the double bond on the main chain, i.e. butadiene chain, is attacked by oxygen and bond breaking occurs, so that NBR loses its high elasticity performance and application function prematurely. Raw Materials Hydrogenated NBR has better heat resistance, higher tensile strength and low temperature resistance up to -50℃ compared with NBR. For example, in the application of automotive parts, the use temperature of conventional NBR is 100℃, and the special formulated NBR can be used at 150℃, but in the long-term acidic gasoline and high temperature environment of 150℃, its ozone resistance and radiation resistance are poor, and it can't meet the sealing requirements of the vehicle to the engine, while the conventional use temperature of HNBR can reach 150℃, and the tensile strength and aging resistance are better. Therefore, the gear box seal, shock absorber oil seal and power steering oil seal which used to be produced by NBR are gradually changed to Raw Materials Hydrogenated NBR.

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