项 目
Project |
型 号
the type |
1型
1 type |
2型
2 type |
3型
3 type |
变化范围
change the range |
|
硬度
hardness |
老化后与老化前之差
draw the intensity |
20 |
±20 |
老化后最大值（IRHD）
maximum after wearing out(IRHD) |
85 |
拉伸强度
draw the intensity |
老化后最低值Mpa
the minimum value Mpa after wearing out |
12 |
10 |
5 |
性能变化率低%≤
low ≤ of rate of change of performance |
25 |
30 |
40 |
拉断伸长率
break person
who extend |
性能变化率%≤
≤ of rate of change of performance |
50 |
55 |
老化后最低值%
the minimum value after wearing out |
200 |
180 |
