Polyurethane Discontinuous Panel Blend Polyols for Construction Insulation

Product Description

VP-DC02 blend polyols is Pale yellow transparent viscous liquid,the foam has good thermal insulation property, pale in weight, high compression strength and flame retardance and other advantages. It is widely used to produce discontinuous sandwich plates, corrugated plates etc.
Typical Physical Index

Appearance		Pale yellow to brown viscous liquid
Hydroxyl Value	mgKOH/g	320-400
Dynamic Viscosity (25 ºC)	mpa.s	250-350
Specific gravity (20 ºC )	g/ml	1.10-1.16
Storage Temperature	ºC	10-25
Storage Stability	month	6

Recommended Ratio

Item	Manual mixing	High temperature machine
Mixing Ratio(PBW)	VP-DC02:Isocyanate=100:110
Raw Material temperature,ºC	25	25
Mould temperature,ºC	35-45	35-45
Cream time,S	30-50	20-30
Gel time,S	120-200	70-150
Free density kg/m3	30-32	30-32

Foam property

Item		Index
Moulding density		40-50 kg/m3
Closed-cell rate		>90%
Thermal Conductivity,15ºC		<0.022 W/m.K
Compressive Strength(Perpendicular to the Direction of Rising)		>140 Mpa
Dimensional Stability	24h -20ºC	<1%
	24h 100ºC	<1.5%
Flame Retardant Grade		B3/B2

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