
COATING · PROTECTIVE
PRIMARY II COATING
SHC 104-56/59
SHC 104-56/59 is a vapor barrier coating based on Chlorosulfonated Polyethylene (CSPE) rubber.
CoatingSurface protectionMoisture barrierFinishing
An ideal vapor barrier for low-temperature insulation including PIR and cellular glass.
A CSPE rubber elastomer — flexible yet resilient, with excellent flame resistance.
Excellent UV resistance preserves color; strong chemical resistance suits outdoor use.
| Color | SHC 104-56 : White SHC 104-59 : Gray |
| Application | Spray, Brush |
| Specific Gravity | 1.09 ±0.05 kg/Liter (ASTM D1475) |
| Solids Content | 30% ±1.4 by volume · 43% ±2.0 by weight (ASTM D2369) |
| Coverage | 2.9 kg/㎡ · WFT 2.7 ㎜ · DFT 0.8 ㎜ (SHTM 13) |
| Drying Time | Tack-free: 3 hours · Full cure: 48 hours (25℃ 50%RH · ASTM D1640) |
| Service Temp. | -40℃ ~ 121℃ (SHTM 08) |
| Permeance | 0.02 perms @ 1.2㎜ DFT (ASTM E96) |
| Flash Point | Flash Point : >43℃ (ASTM D3278) |
| Flame Resistance | Class 1 or A (ASTM E84) |



