ASTM D 6147 - 97 (Reapproved 2014) Standard Test Method for Vulcanized Rubber and Thermoplastic Elastomer - Determination of Force Decay (Stress Relaxation) in Compression

Current edition approved Nov. 1, 2014. Published December 2014. Originally approved in 1997. Last previous edition approved in 2008 as D6147 – 97 (2008)ε1. — 7 p.
This standard specifies two methods for determining the decrease in counterforce exerted by a test specimen of vulcanized rubber or thermoplastic elastomer which has been compressed at a constant deformation under specified conditions of time and temperature.
This document was developed based on testing in air and liquids.