性能
典型特性 |
|
|---|---|
| Average Equivalent Weight | 114.3 g/eq |
| Average Kinematic Viscosity (cSt) | 74 cSt |
| Average OH Number | 490 mg KOH/g |
| Molecular Weight | 491 g/mol |
| Nominal Functionality | 4.3 |
什么 VORANOL™ 490 Polyol?
一种官能度为 4.3、由蔗糖/甘油引发的聚醚多元醇，专门设计用于生产硬质聚氨酯泡沫。它适合用于生产高密度和低密度泡沫。该产品可单独使用，也可与其他多元醇或阻燃剂结合使用，以实现不同程度的交联。这种多元醇与许多不同类型的异氰酸酯具有非常高的相容性。用该产品制造的泡沫具有优异的 K 因子-流动性关系。典型应用包括电器绝缘、隔热板、冷藏运输车辆、便携式冷却器、现场浇注隔热材料、船用浮选、多元醇混合物。
用途
- Designed for the production of rigid polyurethane foam
- Suitable for both high and low density foams
- Can be used alone, or in combination with other polyols or fire retardant agents, to achieve various degrees of crosslinking
- Typical applications include appliance insulation, insulated panels, refrigerated transportation vehicles, portable coolers, pour-in-place insulation, marine floatation, polyol blends
优势
- Very compatible with many different types of isocyanates
- Excellent K-factors-to-flowability relationships