ASTM D 531 - 15 Standard Test Method for Rubber Property - Pusey and Jones Indentation

Current edition approved Aug. 1, 2015. Published January 2016. Originally approved in 1939. Last previous edition approved in 2010 as D531 – 00 (2010). — 4 p.
This test method covers the determination of the indentation of rubber or rubber-like materials by means of the Pusey and Jones type of plastometer. This apparatus is used to measure the depth of indentation of an indentor, under fixed force into the surface of a specimen.