
HUIFENG-2045S Thermoplastic Polyolefin (TPO) Waterproofing Membrane of Tiger Waterproof Series is made by co-extrusion with high-quality TPO resin as the main raw material, as well as flame retardants, light shielding agents, antioxidants, light stabilizers,and other materials, which is curled in a cylindrical shape. The paper core is made of pulp fibres, and the product is packaged in nylon bags externally.The layers of the sheets from top to bottom are surface functional layer and TPO resin layer, respectively.The surface functional layer is of colourless transparent resin patented , and the TPO resin layer is white. When using, the surface functional layer should be laid upward. The maintenance-specific TPO waterproofing membrane is specially developed for the maintenance of steel roofs or concrete roofs ,Especially renovating old asphalt roofs. It is composed of TPO and a layer of special adhesive layer.
| HUIFENG-2045S-2 Technical Data | |||
| Item | Unit | Date | Test method |
| Width | m | ≤3.2 | GB 27789-2011;GB 23260-2009;GB 23441-2009 |
| Elongation at break | ≥ 500% | 620 | |
| Heat treatment dimensional change rate | ≤ 2.0% | 1.1 | |
| Tensile | ≥ 12.0 MPa | 14 | |
| Low-temperature bending | No crack at -40°C | No crack at -40°C | |
| holding power/min | ≥ 15 | 66 | |
| Peel strength sheet and aluminum plate | ≥ 1.5N/mm | 4.2 | |


