项目
Item |
型号 | |||
T1 |
T2 |
T3 | ||
硬度
Sclero |
老化后与老化前之差(IRHD)Gap of ageing test between after and before |
±20 |
±20 |
±20 |
老化后最大值(IRHD) Max.of ageing test after |
85 |
85 |
85 | |
扯断伸长率
Elongation breaking |
性能变化率 % ≤ Changing rate of properties |
50 |
50 |
55 |
老化后的最低值% Min.of ageing test after |
200 |
200 |
180 | |
拉伸强度
Tensile strengh |
性能变化率降低%≤
Properties changing rate reducing |
25 |
30 |
40 |
老化后的最低值MPa
Min.of ageing testing after |
12 |
10 |
5 | |
物料温度 ℃ ≤ Material temperature |
120 |
145 |
170 | |
最高短时间运行温度 ℃ The highest short time operation temperature |
140 |
170 |
220 | |
老化试验条件:Aging test conditions |
125℃×168h |
150℃×168h |
175℃×168h |
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
|
≥3.0 |
≥2.6 |
≥2.2
|
聚酯Polyester
|
≥5.0 |
≥4.0 |
≥3.5 |