| Other Names |
blend polyols |
| Place of Origin |
Guangdong China (Mainland) |
| Type |
Synthetic Fibers |
| Brand Name |
Shanghai |
| Model Number |
QBC-402B |
QBC-402B blend polyol polyurethaneIntermittent Blend polyether polyol-type platerigid foam systemApplicationMainly used to produce plates, are widely used in cold storage, display cabinets, etc.Physical propertiesAppearanceLight yellow to brown yellow transparent liquidOH(mgKOH/g)320--400Dynamic viscosity(25°C)mPa.s250--350Density(20°C)g/ml1.10--1.16Storage Temperature°C10--25Storage stabilitymonth6Recommended ratioQBC-402B100MDI100-105Process and reaction characteristicsHanded mixFor high pressure machineMaterial Temperature°C20-2520-25Mold Temperature°C35-4535-45CTs30-5020-30GTs120-20070-150Free Densitykg/m323-2623-26Foam PropertiesDensity ApparentGB/T 6343≥38kg/m3Obturator rateGB/T 10799≥90%Initial thermal conductivityGB/T 3399≤22mW/(m.K)Compressive strengthGB/T 8813≥140kPaDimensional Stability 24 hours -20°CGB/T 8811≤1% 24 hours 100°C≤1.5%FlammabilityGB/T8624B2