Torched-on Bitumen Waterproof Membrane
BITUFLAT™ Bitumen Waterproof Series 1. Production Introduction:
BITUFLAT™ membrane is a kind of torched-on, flexible, bituminous waterproofing sheet based on premium modified plastomer or elastomer bitumen, reinforced with non-woven polyester or composite glass-fiber mesh in the middle,bottom&surface coated with PE film.
2.Characteristics
· Good waterproof performance
· Anti-corrosion, mildew resistant and weather resistant
· High tensile and tearing strength, elongation and size stability which accommodates substrate movement and deformation
· Hot melt construction, solid and long-lasting
· Anti-puncture and rooting resistant, fatigue resistant
3. Technical Data
| No. | Item | I | II |
| PY | G | PY | G | PYG |
| 1 | Soluble content/(g/m2)≥ | 3mm | 2100 | |
| 4mm | 2900 | |
| 5mm | 3500 |
| Test | | No flame | | No flame | |
| 2 | Heat resistance | ºC | 90 | 105 |
| ≤mm | 2 |
| Test | No flow, no dripping |
| 3 | Low temperature flexibility/ºC | -20 | -25 |
| No crack |
| 4 | Impermeability 30minutes | 0.3MPa | 0.2MPa | 0.3MPa |
| 5 | Tension | Maximum/(N/50mm) | 500 | 350 | 800 | 500 | 900 |
| Secondly-Maximum | | | | | 800 |
| Test | No crack, no apart |
| 6 | Elongation | Maximum/%≥ | 30 | | 40 | | |
| Secondly-Maximum≥ | | | 15 |
| 7 | Oil Leaking | Pieces≤ | 2 |
4.Application · Roof and underground in industrial and civil buildings
·Bridge, subway, tunnel, swimming pool, etc
· Waste landfill, sewage plant, irrigation system, etc