bitumen rubber sheets for roof waterproofing
PRODUCT INTRODUCTION
SBS/APP modified bitumen waterproofing membrane is made by soaking the base in bitumen, or thermoplas ticityelastomer(such as styrene butadiene-SBS), or thermoplastics (such as atactic polypropylene-APP, APAO, APAL) modified bitumen, then covering double faces with elastomer(SBS)or thermoplastics(APP, APAO, APAL) modified bitumen, and last finiishing the upward face with fine sands, mineral slates(or grains) or polythene membrane etc, while downward face with fine sands or polythene membrane.
N | ITEM | STANDARD | TEST RESULT | |
1 | WATER IMPERMEABILITY | PRESSUREMpa | >0.3 | NO IMPERAMEABILITY |
KEEPING TIME, min | 120MIN | |||
2 | TENSION N/5cm | ≥300 | MEET ASTM-D5147 | |
3 | FRACTURE ELONGATION,% | ≥450 | LONGTIUDINAL550.0 | |
TRANSVERSE 510.0 | ||||
4 | SOFTEN POINT | 110°C, | MEET ASTM-D 5147 | |
5 | COLD FLEXIBILITY | ≥0(-20) | MEET ASTM-D 5147 | |
6 | ELONGATION | ≥45 | 47 | |
7 | APP/SBS WATERPROOF MEMBRANE MEET DEMAND OF ASTM STANDARD |
PRODUCT PICTURES
INSTALLATION