Items | Test | Requirement | Remark |
1 | Surface | Free of any contaminants that impedes its good operation, no obvious defects, no wrinkles, no scratches | |
2 | Thickness (mm) | 0.2-3 | |
3 | Width (mm) | 1mm-7.5m | |
4 | Length(m) | Customize(More than 30m) | |
5 | Density | 0.94-0.96 | |
6 | Tension strength MD(Mpa) | >8(Type I) >12(TypeII) | |
7 | Elongation(%) | >200(Type I) >250(TypeII) | |
8 | Shrink in heat treatment(%) | <3(Type I) <2(TypeII) | |
9 | Bending low temperature(Degree) | Type I:No crack at-20 II:-25 | |
10 | Oxidation induction time (OIT) | 100Minute | |
11 | Elongation at break(%) | Max 700 | |
12 | Dimensional stability(%) | +/-2 | |
13 | Gram/M2 | Customize | |
14 | Application | Roof waterproofing, such as industry and civil roof.Underground waterproofing, including reservoir, dam , channel and cellar Tunnel, expressway, bridge , landfill and artifical lake | |
15 | Packaging | Rolls, outside with PP bag | |
16 | Process | high-grade polyethylene resin by co- extrusion-blown process | |
17 | Storage Condition | No special requirements. | |
18 | Shelf Life | More than 50 years |
Inspection ,can test surface, tensile strength ,plasticizer extraction/migration, elongation ,flame-retardant, breakdown and so on .