Urethane and Isocyanurate Hybrid Rigid Foams (Containing DMMP)
配方组成:
Bromine (%)/0.00 Flame Properties* by ASTM E-84, 2-in. Sample: *Flame tests described above are not intended to reflect hazards presented under actual fire conditions Dabco TMR-2/2.0 Foam Density (kg/m^3)/31.0 DMMP/8.5 (lb/ft^3)/1.94 Refrigerant 11B/51.6 Sucrose Amine Polyol*/100.0 *Typical rigid Sucrose-Amine Polyol with OH number 530 mgKOH/g and 5.7 Stir Time (s)/15 Cream Time (s)/39 average functionality. Dibromoneopentyl Glycol/- Gel Time (s)/109 Rise Time (s)/143 Tack-Free Time (s)/160 Max. Flame Spread** (cm)/182 Flame Spread Index/31 Smoke Developed/425 Surfactant/2.0 Residual Char Thickness*** (cm)/1.9 Terate 203 Polyol/- **Distance of flame spread beyond the 137 cm igniting flame. ***Thickness of char resulting from decomposition of the 5.1 cm sample situated 30-60 downstream in the tunnel. NCO/OH Index/1.60 Polymeric Isocyanate/203.7 DMMP (%)/2.31 Pol