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EN 549-1995 Rubber materials for seals and diaphragms for gas appliances and gas equipment 燃气设施设备上的橡胶密封片
1 | 国际硬度 IRHD |
Section 7.2 ISO 48 |
2 | 拉伸强度和伸长率 Tensile strength and Elongation |
Section 7.3 ISO 37 |
3 | 高温压缩永久变形 Compression set-High temperature |
Section 7.4.1 ISO 815 |
4 | 低温压缩永久变形 Compression set-Low temperature |
Section 7.4.2 ISO 815 |
5 | 极低温压缩永久变形 Compression set-Extreme low temperature |
Section 7.4.3 ISO 815 |
6 | 热老化 Resistance to ageing |
Section 7.5 ISO 188 |
7 | 耐汽油 Resistance to gas |
Section 7.6 ISO 1817 |
8 | 耐润滑油 Resistance to lubricant |
Section 7.7 ISO 1817 |
9 | 臭氧 Resistance to ozone |
Section 7.8 ISO 1431-1 |