No. | Content | Unit | Standard | Result |
|
1 |
Appearance quality |
----- | Homogeneous color, no bubble, no crack and no visible material in surface. Clean and no rag in telos. | Eligible | Eligible |
Regular wave shape for two sides’ lapping | Eligible | ||||
2 | Length | mm | +10 | +2 | Eligible |
3 | Width | mm | +5 | +1 | Eligible |
4 | Thickness | mm | ±0.2 | 0.06 | Eligible |
5 | Wave height | mm | ±1.2 | +0.04 | Eligible |
6 | Wave space | mm | ±2.0 | 0 | Eligible |
7 | Density | Kg/m3 | 1000~1450 | 1442 | Eligible |
8 | Tensile strength |
| ≥20 | 26 | Eligible |
9 | Elongation at break |
| ≥20 | 38 | Eligible |
10 | Falling ball impact (1kg,1.5m) |
| Should be no hole and crack | / | Eligible |
11 | Acid resistance(Volume fraction:20% NaOH,24H) |
| Should be no distinctive color change and no deformation | / | Eligible |
12 | Alkali resistance (mass fraction 20% NaOH,24H) |
| Should be no distinctive color change and no deformation | / | Eligible |
13 | Bending |
| ≤50 | 12 | Eligible |
14 | Oxygen Index | % | ≥32 | 35 |
|
1、Please use a fine -toothed saw to cut PVC.
2、Can drill with hand drill or power drill. When drilling , the bottom should be supported to present swaying, and the hold diameter should be bigger than screw by 50%. When fixing screws, special rubber mat should be placed under the tile, and the screws should be properly fasten and should not be too tight.
3、The frame structure uses structures steel or wood as purine, requiring neat, parallel and evenly spaced purlines without deforming.
Normally, at least one corrugation for horizontal overlap, 20-25 cm for lengthwise overlap. In strong wind climate zone, two corrugation for horizontal overlap and more than 25 cm lengthwise overlap is recommended. Roof slope less than 20 degree and 40cm lengthwise overlap is suggested !
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