Pvc drainage pipe |
Technical data of PVC drainage pipe
1 vertical pressurized to 40% of the outer diameter, immediately unloading, the specimen is not broken, not hierarchical.
2 at a temperature of 0 ℃, highly 1M conditions, with a weight of 1Kg hammer, the impact of 10 times, nine times more than should be no cracking.
3, uniform and smooth inner walls, permeable holes evenly hit the trough height of 1/2 or less, hit the trough height of 1/2 or more of the number of holes is not more than 10% of the total.
4, permeable area ≥45cm2 / M.
5, longitudinal retraction rate ≤3.0%.
6, bending% ≤2.
7, ring stiffness ≥6.3KN / m2
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