ASTM D 3574-2008 聚氨酯海绵机械性能测试
1、密度 Density
2、指定压缩率的压缩应力 Indentation force deflection test-specified deflection(IFD)
3、支撑因子 support factor
4、指定应力的压缩厚度 Indentation residual gape load test—specified force(IRGL)
5、压缩强度 Compression force deflection test
6、(定压缩比)压缩永久变形 Constant deflection compression set test
7、拉伸强度 Tensile strength
8、断裂伸长率 Ultimate Elongation
9、撕裂性能 Tear resistance
10、落球回弹 Resilience test(ball rebound)
11、恒定变形的静态压力损失 Static force loss test at constant deflection
12、热老化 Dry heat aging
13、湿热老化 Wet heat aging