China Tpo Single Ply Roofing Waterproof Membrane, Find details about China Tpo Single Roofing Membrane, Tpo Waterproof Membrane from Tpo Single Ply Roofing Waterproof Membrane
Item | Desc. | National Standard | Our Product Property | ||
1 | Intermediate base the resin thickness /mm | ≥0.40 | 0.50 | ||
2 | Tensile Performance | Max Tension N/cm | Longitude | ≥250 | 311 |
Latitude | ≥250 | 301 | |||
Max tensile elongation /% | Longitude | ≥15 | 17 | ||
Latitude | ≥15 | 18 | |||
3 | Heat-treatment dimensional stability /% | Longitude | ≤0.5 | 0.3 | |
Latitude | ≤0.5 | 0.3 | |||
4 | Low-temperature Flexibility | -40ºCno crack | -40ºCno 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 | 4.1 | ||
9 | Trapezoid tear strength /N | Longitude | ≥450 | 546 | |
Latitude | ≥450 | 533 | |||
10 | Water adsorption(70ºC,168h)/% | ≤4.0 | 2.2 | ||
11 | Heat-aging | Appearance | no bubbling, crack, layering, bond or hole | ||
Retention of Max Tension /% | Longitude | ≥90 | 97 | ||
Latitude | ≥90 | 97 | |||
Retention of Max tensile elongation/% | Longitude | ≥90 | 94 | ||
Latitude | ≥90 | 94 | |||
Low-temperature Flexibility | -40ºC no crack | -40ºC no crack | |||
12 | Chemical Resistance | Appearance(5% H2SO4) | no bubbling, crack, layering, bond or hole | ||
Retention of Max Tension /%(5% H2SO4) | Longitude | ≥90 | 98 | ||
Latitude | ≥90 | 97 | |||
Retention of Max tensile elongation/%(5% H2SO4) | Longitude | ≥90 | 94 | ||
Latitude | ≥90 | 94 | |||
Low-temperature Flexibility(5% H2SO4) | -40ºC no crack | -40ºC no crack | |||
Appearance Ca(OH)2 | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /% Ca(OH)2 | Longitude | ≥90 | 96 | ||
Latitude | ≥90 | 95 | |||
Retention of Max tensile elongation/% Ca(OH)2 | Longitude | ≥90 | 100 | ||
Latitude | ≥90 | 94 | |||
Low-temperature Flexibility Ca(OH)2 | -40ºC no crack | -40ºC no crack | |||
Appearance(10% NaCl) | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /%((10% NaCl)) | Longitude | ≥90 | 95 | ||
Latitude | ≥90 | 96 | |||
Retention of Max tensile elongation/%((10% NaCl)) | Longitude | ≥90 | 94 | ||
Latitude | ≥90 | 94 | |||
Low-temperature Flexibility((10% NaCl)) | -40ºC no crack | -40ºC no crack | |||
13 | Artificial Weather Accelerated Aging | Period /h | 1500 | 2500 | |
Appearance | no bubbling, crack, layering, bond or hole | ||||
Retention of Max Tension /% | Longitude | ≥90 | 93 | ||
Latitude | ≥90 | 92 | |||
Retention of Max Tensile elongation/% | Longitude | ≥90 | 94 | ||
Latitude | ≥90 | 94 | |||
Low-temperature Flexibility | -40ºC no crack | -40ºC no crack |