China Non-Exposed PVC Waterproof Membrane, Find details about China White PVC Roofing, Welding PVC Waterproof Membrane from Non-Exposed PVC Waterproof Membrane
Item | Desc. | Standard | Our Product Property | ||
1 | Intermediate base the resin thickness /mm | ≥0.40 | 0.59 | ||
2 | Tensile Performance | Tension Strength /(N/cm) | Longitude | ≥250 | 317 |
Latitude | ≥250 | 262 | |||
Max tensile elongation /% | Longitude | ≥15 | 21 | ||
Latitude | ≥15 | 23 | |||
3 | Heat-treatment dimensional stability /% | Longitude | ≤0.5 | 0.4 | |
Latitude | ≤0.5 | 0.1 | |||
4 | Low-temperature Flexibility | -25ºCno crack | -25ºCno crack | ||
5 | Waterproofness | 0.3Mpa,2h waterproof | 0.3Mpa,2h waterproof | ||
6 | Shocking resistance | 0.5kg.m, watertight | 0.5kg.m, watertight | ||
7 | Anti Static Load | 20kg, watertight | 20kg, watertight | ||
8 | Joint peeling strength /(N/mm) | ≥3.0 | 3.2 | ||
9 | Trapezoid tear strength /(N/mm) | Longitude | ≥250 | 460 | |
Latitude | ≥250 | 382 | |||
10 | Water adsorption(70ºC,168h) | After immersion | ≤4.0% | 3.9% | |
After airing | ≥-0.40% | 0.82% | |||
11 | Heat-aging(80ºC, 672h) | Appearance | no bubbling, crack, layering, bond or hole | ||
Retention of Max Tension /% | Longitude | ≥85 | 97 | ||
Latitude | ≥85 | 105 | |||
Max tensile elongation /% | Longitude | ≥80 | 89 | ||
Latitude | ≥80 | 91 | |||
Low-temperature Flexibility | -20ºC no crack | -20ºC no crack | |||
12 | Chemical Resistance | Appearance(5% H2SO4) | no bubbling, crack, layering, bond or hole | ||
Retention of Max Tension /%(5% H2SO4) | Longitude | ≥85 | 101 | ||
Latitude | ≥85 | 107 | |||
Max tensile elongation /%(5% H2SO4) | Longitude | ≥80 | 88 | ||
Latitude | ≥80 | 94 | |||
Low-temperature Flexibility(5% H2SO4) | -20ºC no crack | -20ºC no crack | |||
Appearance Ca(OH)2 | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /% Ca(OH)2 | Longitude | ≥85 | 96 | ||
Latitude | ≥85 | 102 | |||
Max tensile elongation /% Ca(OH)2 | Longitude | ≥80 | 84 | ||
Latitude | ≥80 | 83 | |||
Low-temperature Flexibility Ca(OH)2 | -20ºC no crack | -20ºC no crack | |||
Appearance(10% NaCl) | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /%(10% NaCl) | Longitude | ≥85 | 101 | ||
Latitude | ≥85 | 105 | |||
Max tensile elongation /%(10% NaCl) | Longitude | ≥80 | 92 | ||
Latitude | ≥80 | 92 | |||
Low-temperature Flexibility(10% NaCl)) | -20ºC no crack | -20ºC no crack | |||
13 | Artificial Weather Accelerated Aging | Test Period /h | 1500 | 5000 | |
Appearance | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /% | Longitude | ≥85 | 97 | ||
Latitude | ≥85 | 106 | |||
Max tensile elongation /% | Longitude | ≥80 | 83 | ||
Latitude | ≥80 | 90 | |||
Low-temperature Flexibility | -20ºC no crack | -20ºC no crack |