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Polyester Polyol PE-B260 Used in Castable Hard Foam Composite
1. Product Description
This series of polyester polyol belongs to the aromatic series polyester polyol, mainly used in the fieldof castable hard foam composite.
2. Main application fields
Hard foam composite material in the plate, pipe and home appliance industry.
3. Technical features
The actual acid value of this series of polyester polyols is less than 1.0mgKOH/g, the moisture is less than 0.05%, the liquid is at room temperature, and the mutual solubility with blowing agent is good. The polyurethane rigid foam prepared by it has good fluidity, fine pores, low thermal conductivity, good adhesion to the substrate and good flame retardant performance.
4. Index parameters
| Type | Appearance | Viscosity (75℃ cps) | Hydroxyl number (mgKOH/g) | Acid number (mgKOH/g) | Water content (％) | Features and application |
| PE-B260 | Transparent liquid | 4000-8000 | 230-270 | ≤2.0 | ＜0.1 | 141b, water or hydrocarbon foam |
5. Precautions for use
The product is packed in a special galvanized barrel, 230 kg / barrel. The storage period is 6 months,and it can still be used after passing the test after more than 6 months. During transportation, rain, collision, package damage and pollution shall be prevented, and relevant regulations of the transportation department shall be complied with. After opening the barrel, if it is not completely used, please seal the barrel mouth and keep it properly.
