MASTIC · VAPOR BARRIER
PRIMARY II MASTIC · CSPE Rubber Mastic
SHC 104-38
SHC 104-38/39 is a chlorosulfonated polyethylene (CSPE) rubber based mastic.
Ideal finish for cold insulation including cellular glass, PIR.
Tough, flexible, fire resistant elastomeric finish · Excellent vapor barrier.
Outdoor use with good color retention, chemical and UV resistance.
| Color | 104-38 : White · 104-39 : Gray |
| Application | Trowel, Rubber glove |
| Specific Gravity (ASTM D1475) | 1.08 ±0.05 kg/Liter |
| Solids Content (ASTM D2369) | 30% ±1.4 by volume · 50% ±2.0 by weight |
| Coverage (SHTM 13) | 2.9 kg/㎡ · WFT 2.7 ㎜ · DFT 0.8 ㎜ |
| Drying Time (25℃ 50%RH · ASTM D1640) | Set to touch: 3 hours · Dry through: 48 hours |
| Service Temp. (SHTM 08) | -40℃ ~ 121℃ |
| Permeance (ASTM E96) | 0.01 perms @1.27㎜ DFT |
| Flash Point (ASTM D3278) | ≥43℃ |
| Flame Resistance (ASTM E84) | Class 1 or A |
