项目Items |
LO |
DO | |||
拉伸强度≥ MPa
Tensile strength |
14 |
16 | |||
扯断伸长率≥ %
Elongation at break |
350 |
350 | |||
磨耗≤ mm ³
Abrasion value |
200 |
160 | |||
耐油试验
Oil resistant test |
试验条件
Test conditions |
体积变化率≤ %
Volume rate of change | |||
GB/T1690中油号 |
浸泡温度,℃ |
浸泡时间,h |
LO |
DO | |
2号油 |
70±2 |
70 |
+20 |
-5 |
织物类型
Fabric type |
布层间粘合强度(N/mm)
Adhesion between duck plies
|
胶与布(N/mm)
cover rubber and fabric | |
覆盖胶厚度>1.5mm
Thickness of rubber
cover >1.5mm |
覆盖胶厚度≤1.5mm
Thickness of rubber
cover≤1.5mm | ||
普通Common
|
≥2.7 |
≥2.7 |
≥2.1
|
聚酯Polyester
|
≥4.50 |
≥3.50 |
≥3.15 |
尼龙
Nylon |
≥4.50 |
≥3.50 |
≥3.15 |