The standard qualification of the PVC-U drainpipes: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | GB/T5836.2-2006 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit, unindentical color or discoloration, the color is white. |
3 | Density ( Kg/cm3) | 1350-1550 |
4 | Veika softening temperature | more 74 |
5 | Oven test | The sample should have no blisters, cracks or edge joint line cracking phenomena. Defet is allowed within 50% of the wall thickness around the injection point. cracking phenomena are allowed within the whole wall thickness at the edge joint. |
6 | Drop shutter test | Without cracks |
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The standard and technical criteria of the PVC-U rain water pipes for building: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | QB/T2480-2000 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit, unindentical color or discoloration, the color is white. |
3 | Veika softening temperature | 75 |
4 | Oven test | The sample should have no blisters, cracks or edge joint line cracking phenomena. Defet is allowed within 50% of the wall thickness around the injection point. cracking phenomena are allowed within the whole wall thickness at the edge joint. |
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The standard and qualification of the PVC-U drainpipes: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | GB/T5836.1-2006 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit, unindentical color or discoloration, the color is white. |
3 | Outer diameter | Fit GB/T5836.1-2006 |
4 | Wall thickness | Fit GB/T5836.1-2006 |
5 | Density ( Kg/cm3) | 1350-1550 |
6 | Tensile yield strength (Mpa) | 40 |
7 | Veika softening temperature ( VST | 79 |
8 | Dichloromethane soakage | Attcak of the surface no worse than 4L |
9 | Falling weight impact test TIR | TIR 10% |
10 | Longtitudinal reversion rate (%) | 5 |
11 | Length | General length is four meters, but other specification are also available on clent' s request. |
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The standard and technical criteria of the PVC-U storm sewer pipes: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | QB/T2480-2000 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit, unindentical color or discoloration, the color is white. |
3 | Tensile strength ( Mpa) | 43 |
4 | Breaking elongation (%) | 80 |
5 | Longtitudinal reversion rate (%) | 3.5 |
6 | Veika softening temperature | 75 |
7 | Falling weight impact test 20 ( Approach A) | TIR 10% |
8 | Falling weight impact test 20 ( Approach B) | Twelve impacts none with no cracks |
9 | Weather ability (tensile strength conservation rate %) | 80 |
10 | Weather ability (colar change level) | 3 |
11 | Length | General length is four meters, but other specification are also available on clent' s request. |
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The standard qualification of the PVC-U underground drainage pipes: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | GB/T20221-2006 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, crack, pit, unindentical color or discoloration, The endss of the pipes should be cut smooth, plum to the axial line. The color is gray. |
3 | Density ( g/cm3) | 1.55 |
4 | Veika softening temperature | 79 |
5 | Longtitudinal reversion rate (%) | 5 |
6 | Falling weight impact test TIR (%) | 10 |
7 | Loop rigidity SN2 | 2KPa |
8 | Loop rigidity SN4 | 4KPa |
9 | Loop rigidity SN8 | 8KPa |
10 | Dichloromethane soakage | Surface uniformity |
11 | Joint packing test | No leakage |
12 | Length | General length is four or six meters, but other specification are also available on clent' s request. |
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The standard qualification of the PVC-U spiral pipes: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | Q/ZCP 014-2005 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit, unindentical color or discoloration, the color is white. |
3 | Veika softening temperature | 70 |
4 | Oven test | The sample should have no blisters, cracks or edge joint line cracking phenomena. Defet is allowed within 50% of the wall thickness around the injection point. cracking phenomena are allowed within the whole wall thickness at the edge joint. |
5 | Drop shutter test | All the samples without cracks |
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The standard qualification of the PVC-U sprial amortization fittings: | | |
NO. | Items | Standard requirements |
1 | Voluntary standards | Q/ZCP 006-2005 |
2 | Appearance | Both the inside and outside surface of the pipes shold be smooth, without blowhole, opening or overt scratches, pit or severe cold spots, unindentical color or discoloration, the color is white. |
3 | Specifications | Fit Q/ZCP 006-2005 |
4 | Tensile yield strength (Mpa) | 40 |
5 | Veika softening temperature | 75 |
6 | Longtitudinal reversion rate (%) | 5 |
7 | Falling weight impact test | 9/10 passed |
8 | Denoise quantity dB(A) | 8.0 |
9 | Length | General length is four meters, but other specification are also available on clent' s request. |