ASTM D531-89(1999) - 10.11.2000
 
1. Scope

1.1 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 rubber specimen.

1.2 The values stated in SI units are to be regarded as the standards.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

 
2. Referenced Documents

D4483-25

Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries

D1415-18(2026)

Standard Test Method for Rubber Property—International Hardness

D1349-14(2024)

Standard Practice for Rubber—Standard Conditions for Testing