Low Density Water Blowing Agent PU System for Spray Insulation

Product Description

Water based Flexible PU foam is an environmental protection type using water as blowing agent, with good performances of low density ( 8~10kg/m3 ), open cell, flame retardant( B3 grade) etc.
During spray process in site, the breathing small open cell filled with air, without producing toxic gas to destroy the Ozone layer( traditional blowing agent: F-11, HCFC-141B), which is environment friendly, low-carbon new construction materials.
This spray PU foam with performances of thermal insulation, gas resistance, damp proof insulation, water proof and sound absorption, it can give us a more quiet, more healthy and more energy saving buildings.

		Vspray-2
Appearance		Light yellow to brown transparent liquid
Hydroxyl value	mgKOH/g	100-200
Viscosity	mPa.S/20ºC	200-300
Specific gravity	g/ml(20ºC)	1.05-1.10
Storage Temperature	ºC	10-40
Storage Stability	month	6

Ratio			1:1
Cream	time	S	3-5
Gel	time	S	6-10
Free density		kg/m3	8-12

Foam Performances

Items	Index
Spray Density Initial Thermal Conductivity(15ºC) Water Absorption Oxygen Index	≥12kg/m3 ≤40mW/(m.K) ≤4% ≥23

The data provided above are typical value, which are tested by our company. For our company's products, the data included in the law do not have any constraints.

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