GMNA GMN3922 PDF

This document describes test procedures and conditions for determining the loss in counterforce of a standard specimen shape compressed at a constant deformation in specified media, under conditions of time and temperature. It is designed for testing of (a) specimens of vulcanized rubber, and thermoplastic elastomers with instantaneous Shore A hardness from 45 to 90 (ASTM D2240), cut from standard sheets (ASTM D3182) and (b) finished production articles of same hardness range (e.g. molded profile o-ring) per ASTM D3183.

Note: Nothing in this procedure supersedes applicable laws and regulations unless a specific exemption has been obtained.

Note: In the event a conflict between the English and domestic language, the English language shall take precedence.