SIS SS-ISO 3384:1990
硫化橡胶．在常温和高温时压缩应力松弛的测定

Rubber, vulcanized — Determination of stress relaxation in compression at ambient and at elevated temperatures

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标准号

SIS SS-ISO 3384:1990

发布

1990年

发布单位

SE-SIS

 

 

适用范围

This International Standard specifies two methods for deter-mining the decrease in counterforce exerted by a test piece of vulcanized rubber which has been compressed at a constant deformation under specified conditions of time and temperature. NOTE — The two methods, A and B, of carrying out the measurement do not give the same values of stress relaxation and comparison of values obtained from the two methods must be avoided. The method selected for use depends on the purpose of the test. Thus, for fundamental studies and in applications where sealing at elevated temperatures is a problem, method A may be preferred, and in applications where temperature cycling from normal to an elevated temperature is a problem, method B may be preferred.

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