Rigid Blend Polyols for Close Cell Spray Foam

It is a kind of blend polyols with blowing agent, it reacts with isocyanate to produce foam which has good performances

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>> Introduction

The product is mainly used for building thermal insulation and cold protection. After mixing A and B components, it is sprayed with foam after mixing by spraying machine. The main foaming agents are HFC-245FA and HFO.

>> Foam Performance

Item	Standard	Result
Spray Density	GB 6343	≥35kg/m³
Closed-cell Rate	GB 10799	≥90%
Initial Thermal Conductivity（15℃）	GB 3399	≤24mW/(m.K)
Compressive Strength	GB/T8813	≥150kPa
Adhesive Strength	GB/T16777	≥120kPa
Dimensional stability 24h -20℃ 24h 70℃	GB/T8811	≤1% ≤1.5%
Water Absorption	GB 8810	≤3%
Flame retardant grade	GB 8624	B3 & B2

Package: 220kg/drum with pallets, or 1100kg/IBC

>> Physical Property

Appearance	Light yellow to brown liquid
OHV value mgKOH/g	200-300
Viscosity (25 ℃) mpa.s	100-200
Density(20 ℃ ) g/ml	1.12-1.20
Storage temperature ℃	10-25
Shelf life (month)	6