THE ACCELERATED AGEING OF SOME COMMERCIAL POLYURETHANE RUBBERS
EXPLOSIVES RESEARCH AND DEVELOPMENT ESTABLISHMENT WALTHAM ABBEY (UNITED KINGDOM)
Pagination or Media Count:
Nineteen commercial polyester urethane rubbers, and one commercial polyether urethane rubber were subjected to accelerated laboratory ageing for periods of up to two years under hotdry, hotwet, and hothumid conditions, and for up to two years immersed in Standard Test Fluid. The results obtained on the polyether urethane were similar to those obtained in previous trials. The best polyester urethane a development material had a life under hydrolytic conditions of five to eight times that normally expected from commercially available polyester urethanes.
- Elastomers and Rubber