丁腈橡胶的粉末NBR
粉末丁腈橡胶HTD-28具有原胶含量高,隔离剂含量低,非橡胶成份少,丁腈橡胶耐水性好,储存稳定;粉末细小,易于分散,......
指标名称 | NBR1704 | NBR2707 | NBR3604 | NBR3606 | N230S | N240S |
结合丙烯腈的质量分数/% | 17~20 | 27~30 | 36~40 | 36~40 | 33.5~36.5 | 24.5~27.5 |
挥发分/%≤ | 1.0 | 1.0 | 1.0 | 1.0 | 0.75 | 0.75 |
灰分/%≤ | 1.5 | 1.5 | 1.5 | 1.5 | - | - |
防老剂D/%≥ | 1.0 | 1.0 | 1.0 | 1.0 | - | - |
拉伸强度/MPa≥ | 24.5 | 27.5 | 29.4 | 29.4 | 20.1 | 18.7 |
永久变形/%≤ | 17 | 28 | 30 | 30 | - | - |
溶胀率/%≤ | 70 | 38 | 20 | 20 | - | - |