Ceinture en caoutchouc imperméable à l'eau
Informations de base
Modèle: Rubber water-proof belt
Description du produit
| Rubber water-proof belt |
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. |
| 1.Structure Two typical structure of water-proof belt are as below: |
| a.Water-proof belt with hole in the middle | b. Water-proof belt without hole in the middle |
 |
 |
| 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 |
70ºCx24h%≤ |
35 |
35 |
|
23ºCx168h%≤ |
20 |
20 |
|||
5 |
Tear strength N/m≥ |
35 |
35 |
||
6 |
Brittleness temperature ºC≤ |
-45 |
-40 |
||
7 |
Hot air aging |
70ºCx72h |
Hardness variation |
8 |
|
Variation of tensile strength (lower) %≤ |
10 |
|
|||
Variation of tensile yield(lower) %≤ |
20 |
|
|||
70ºCx96h |
Hardness variation |
|
8 |
||
Variation of tensile strength (lower) %≤ |
|
10 |
|||
Variation of tensile yield(lower) %≤ |
|
20 |
|||
8 |
Ozone aging 50pp 20% 48h |
Grade 2 |
0 |
||
Groupes de Produits : Ceinture anti-déchirure
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