Project |
Cloth layer between |
Coverslip and intercloth layer |
|
capping thickness ≤1.5mm |
capping thickness>1.5mm > |
||
Longitudinal test mean ≥ |
8.0 |
7.0 |
12 |
The lowest peak value of longitudinal sample ≥ |
8.0 |
6.5 |
11 |
Project |
|||||
T1 |
T2 |
T3 |
T4 |
||
range of variation |
|||||
Hardness |
The difference between post-aging and pre-aging |
+20 |
+20 |
+20 |
+20 |
Maximum value after aging |
85 |
||||
Tensile Strength |
Minimum value of aging Mpa |
12 |
10 |
5 |
5 |
Rate of performance change/% |
-25 |
-30 |
-40 |
-40 |
|
Elongation at break |
Rate of performance change/% |
-50 |
-50 |
-55 |
-55 |
The lowest value after aging/% |
200 |
200 |
180 |
180 |