Product overview
SBS Modified Asphalt Waterproofing Membrane is produced by advanced technology , directly mixing method, taken SBS rubber modified asphalt as base stock, polyester and glass fiber felt as matrix and PE, sand, AL as facing material. It is a new product highly promoted by national ministry of construction.
Features & application
It has excellent low-temperature resistance, especially suits for cold regions, able to be applied on the architectural structure of roof, basement, frozen cave, canal, dam, impounding reservoir, common bathing pool, swimming pool, airplane and airplane runway.
Specification & classification
Classified by performance: type I, type II
Matrix: polyester, glass fiber
Coverings on upper surface: PE film, sand, aluminum sheet
Nominal width: 1000 mm
Nominal area: 10 ㎡
Thickness: 3.0 mm, 4.0 mm
Technical Index(Performance standard: GB18242-2008)
No. | Item | Index | |||||
Ⅰ | Ⅱ | ||||||
PY | G | PY | G | PYG | |||
1 | Soluble substance content /g/㎡≥ | 3mm | 2100 | - | |||
4mm | 2900 | - | |||||
5mm | 3500 | ||||||
experiment phenomena | - | matrix non-ignitable | - | matrix non-ignitable | - | ||
2 | impermeability30min | 0.3Mpa | 0.2Mpa | 0.3Mpa | |||
3 | Heat resistance | ℃ | 90 | 105 | |||
≤mm | 2 | ||||||
experiment phenomena | no flowing, dripping | ||||||
4 | Low-temperature flexibility /℃ | -20 | -25 | ||||
flawless | |||||||
5 | Tension Strength N/50mm≥ | maximum peak tesion/(N/50mm) | 500 | 350 | 800 | 500 | 900 |
secondary maximum tension/ (N/50mm) | - | - | - | - | 800 | ||
experiment phenomena | In the process of drawing, no craze or matrix separation phenomenon | ||||||
6 | Elongation | maximum peak elongation/%≥ | 30 | - | 40 | - | - |
secondary maximum elongation /%≥ | - | - | - | - | 15 | ||
7 | Permeability oil | Amount of sheets /P≤ | 2 | ||||
8 | Thickness of asphalt overlay on the lower membrane surface c/mm | 1.0 | |||||
Tips: A. only used in monolayer membrane of mechanically fastening construction method. B. only used in individual grains-surface membrane. C. only used in torch-applied method construction membrane | |||||||
