HBNR rubber seals resistant to high temperature, corrosion-resistant than nitrile rubber does not refer to a higher level.

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2016-06-14 17:43:54: 　
??HBNR rubber seals resistant to high temperature, corrosion-resistant than nitrile rubber does not refer to a higher level.

??Two materials 150 degrees hot air aging What phenomenon will appear. 180 degrees will be common NBR brittle fracture; and 230 degrees will lower HNBR brittle fracture.

??150 degrees what phenomenon. Nitrile rubber rubber seals will first change the size of it? Buna-N rubber seal temperature generally does not exceed 120 degrees, HNBR rubber seals still have good flexibility. Hydrogenated nitrile rubber is generally applicable temperature range of -40 to 170 degrees.

??That is nitrile rubber rubber seals plastic deformation occurs in the case of 150 degrees. No flexibility, 150 degrees HNBR rubber seals can maintain the original shape. And would not the nitrile rubber, HNBR rubber seal 150 degrees Celsius environment is long-term use, will not be sticky, harden cracking phenomenon.

??Nitrile rubber rubber seals reach operating temperature is not so high it? 150 degrees, we do not consider nitrile rubber, such as one meter 5 may be the same as impossible dunk

??Analyzing the two materials must be able to heat the air in the oven around 150 degrees, and 150 degrees in a hot air environment, observe the status of 0-ring, resilient and not deformed estimated that the nitrile rubber

??HNBR rubber seals within -50 ? ~ + 150 ? preservation basically no problem, long-term use, can oil temperature, but poor acid resistance and the ability to polar solvents, hydrogenated nitrile is mainly used in low-temperature refrigerant medium
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