| Model: | EP,Nylon ,Cotto |
|---|---|
| Brand: | SHUNDA |
| Origin: | Made In China |
| Category: | Industrial Supplies / Machinery / Convey Belt |
| Label: | waterproof rubber , manufacture |
| Price: |
-
|
| Min. Order: | - |
| Live Chat: | Last Online:27 Jul, 2015 |
Application：
Rubber water-proof belt is generallt used in large concrete construction such as dam, reservoir and basement etc. Rubber water-proof belt is poured in deformation joint and construction joint of these project to avoid leakage.
Physical and mechanical property of rubber should accord with requirement listed below:
|
Item |
Description |
Nature rubber |
Synthetic rubber |
||
|
1 |
Hardness A |
60±5 |
60±5 |
||
|
2 |
Tensile strength Mpa ≥ |
18 |
16 |
||
|
3 |
Tensile yield % ≥ |
450 |
400 |
||
|
4 |
Permanent compression set |
70℃x24h%≤ |
35 |
35 |
|
|
23℃x168h%≤ |
20 |
20 |
|||
|
5 |
Tear strength N/m≥ |
35 |
35 |
||
|
6 |
Brittleness temperature ℃≤ |
-45 |
-40 |
||
|
7 |
Hot air aging |
70℃x72h |
Hardness variation |
8 |
|
|
Variation of tensile strength (lower) %≤ |
10 |
|
|||
|
Variation of tensile yield(lower) %≤ |
20 |
|
|||
|
70℃x96h |
Hardness variation |
|
8 |
||
|
Variation of tensile strength (lower) %≤ |
|
10 |
|||
|
Variation of tensile yield(lower) %≤ |
|
20 |
|||
|
8 |
Ozone aging 50pp 20% 48h |
Grade 2 |
0 |
||
