Features:
Thickness:1.2mm-4mm
No | Item | Index | |||||||
PE | PET | D | |||||||
Ⅰ | Ⅱ | Ⅰ | Ⅱ | ||||||
1 | Tensile property | Tension (N/50mm) ≥ | 150 | 200 | 150 | 200 | |||
Maximum tension % ≥elongation rate | 200 | 30 | |||||||
Asphalt breaking elongation rate % ≥ | 250 | 150 | 450 | ||||||
Phenomenon of stretch | Tensile process, asphalt coating cover and membrane without separation before fracture | ||||||||
2 | Nail bar tearing strength /N≥ | 60 | 110 | 30 | 40 | ||||
3 | Thermostability | Sliding not more than 2mm at 70°C | |||||||
4 | Low temperature flexibility /°C | -20 | -30 | -20 | -30 | -20 | |||
No crack | |||||||||
5 | Impermeability | 0.2Mpa 120 minutes impermeable | |||||||
6 | Peel strength/(N/≥mm) | Membrane and membrane | 1.0 | ||||||
Membrane and aluminum sheet | 1.5 | ||||||||
7 | Nail bar watertightness | Pass | |||||||
8 | Oil permeability /sheet≤ | 2 | |||||||
9 | Holding power/min≥ | 20 | |||||||
10 | Thermal aging | Tension retention rate%≥ | 80 | ||||||
Maximum tension expands rate%≥ | 200 | 30 | 400(Asphalt layer fracture elongation) | ||||||
Texture soft/°C | -18 | -28 | -18 | -28 | -18 | ||||
No crack | |||||||||
Peel strength Membrane and aluminum sheet (N/mm)≥ | 1.5 | ||||||||
11 | Thermostability | Appearance | No bulking, fold sliding or flow | ||||||
Dimensional change%≤ | 2 |
self adhesive bitumen membrane