1. Scope 1.1 This standard covers procedures for the determination of gel times of polyurethane non-foam formulations using commercially available gel test equipment. 1.2 Definitions, terms, and techniques are described. Procedures for calculating sample weights, mixing samples and gathering data are also included. 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.
5.1.1 This practice is suitable for research, quality control, specification testing and process control. 5.1.2 It is useful to define and verify the reactivity of non-foam polyurethane formulations.
Keywordsisocyanate; polyol; resin blend, polyurethane; raw material; gel time
The title and scope are in draft form and are under development within this ASTM Committee.Back to Top