MASTIC · VAPOR BARRIER
WB VAPOR BARRIER MASTIC
SHC 103-90/91
SHC 103-90/91 is a fire resistive, flexible vapor barrier for most types of thermal insulation.
Vapor barrier mastic for most thermal insulation including polystyrene foam.
Used over concrete, finishing cement and any kind of metals.
Non-flammable in wet · Suitable for indoor and outdoor use.
| Color | SHC 103-90 : White SHC 103-91 : Gray |
| Application | Trowel, Glove |
| Specific Gravity | 1.38 ±0.05 kg/Liter (ASTM D1475) |
| Solids Content | 59% ±2.8 by volume · 71% ±3.3 by weight (ASTM D2369) |
| Coverage | 3.3 kg/㎡ · WFT 2.4 ㎜ · DFT 1.4 ㎜ (SHTM 13) |
| Drying Time | Set to touch: 4 hours · Dry through: 24 hours (25℃ 50%RH · ASTM D1640) |
| Service Temp. | -29℃ ~ 82℃ (SHTM 08) |
| Permeance | 0.013 perms @1.9㎜ DFT (ASTM E96 · Procedure E) |
| Flash Point | No Flash Point in wet state |
| Flame Resistance | Class 1 or A (ASTM E84) |
| VOCs | <36 g/L (US EPA Method 24) |
