| Place of Origin |
China (Mainland) |
| Type |
Other |
| Brand Name |
Dongda |
| Model Number |
QBC-402A |
polyol resin for panelPhysical properties AppearanceLight yellow to brown yellow transparent liquidOH(mgKOH/g)300--400Dynamic viscosity(25)mPa.s150--300Density(20)g/ml1.10--1.16Storage Temperature10--25Storage stabilitymonth6 Recommended ratio QBC-402A100MDI100-110 Process and reaction characteristics Handed mixFor high pressure machineMaterial Temperature2525Mold Temperature40-4540-45CTs10--206--15GTs35-6520-40Free Densitykg/m330-3530-35 Foam Properties Density ApparentGB/T 6343≥40kg/m3Obturator rateGB/T 10799≥90%Initial thermal conductivityGB/T 3399≤22mW/(m.K)Compressive strengthGB/T 8813≥100kPaDimensional Stability 24 hours -20GB/T 8811≤1% 24 hours 100≤1.5%FlammabilityGB/T8624B2