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Waterstop strip
The waterstop is gray black putty like colloid, which has the characteristics of good weather resistance, anti-aging, anti-seepage and leakage prevention, corrosion resistance, simple operation, low cost, etc.
Underground structure construction engineering, high-speed, high-speed railway, water tunnel engineering, power plant cooling tower, municipal water supply and drainage, etc.
Reference standard GB/T18173.3-2014
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project |
index |
Applicable test items |
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PZ-150 |
PZ-250 |
PZ-400 |
PZ-600 |
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Hardness (Shore A)/degree |
42±10 |
45±10 |
48±10 |
6.3.2 |
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Tensile strength/MPa ≥ |
3.5 |
3 |
6.33 |
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Elongation at break/% ≥ |
450 |
350 |
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Volume expansion ratio/% ≥ |
150 |
250 |
400 |
600 |
6.3.4 |
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Repeated immersion test
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Tensile strength/MPa ≥ |
3 |
2 |
6.3.5 |
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Elongation at break% ≥ |
350 |
250 |
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Volume expansion ratio/% ≥ |
150 |
250 |
300 |
500 |
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Low temperature bending (-20 ℃ × 2h) |
No cracks |
6.3.6 |
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