| Rubber Water-Stop Belt |
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| Author：admin Date：2015-11-22
Views：2374 |
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Product Description |
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Rubber water stop is used in the large concrete structure, for example, dam, cistern, basement, etc. Pouring rubber water stop in deformation joint and working place is to prevent leaking. |
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Belt physical and mechnical performance should accord the list below |
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| Serial No. |
Item |
Naural Rubber |
Synthetic Rubber |
| 1 |
Hardness |
Shore A Hardness |
60±5 |
60±5 |
| 2 |
Tensile Strength |
Mpa≥ |
18 |
16 |
| 3 |
Elongatin at Berak |
%,≥ |
450 |
400 |
| 4 |
Compression Permanent Set |
70℃×24h%,≦ |
35 |
35 |
| 23℃×168h%,≦ |
20 |
20 |
| 5 |
Tearing Strength |
N/m,≥ |
35 |
35 |
| 6 |
Brittle Temperation |
℃≦ |
-45 |
-40 |
| 7 |
Aging in Hot Air |
70℃×72h |
Hardness Changes Shore A Degree |
8 |
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| Tensile Strength %≦ |
10 |
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| elongation changes %≦ |
20 |
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| 70℃×96h |
Hardness Changes Shore A Degree |
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8 |
| T ensile Strength %≦ |
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10 |
| E longation Changes% ≦ |
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20 |
| 8 |
Ozone Aging 50pphm 20% 48h |
2 grade |
0 grade | |
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