Inov Chem Donfoam 812PIR HCFC-141B Base blend polyols

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Inov Chem Donfoam 812PIR HCFC-141B Base blend polyols
Categories:	Polymer; Thermoplastic; Polyurethane, TP
Material Notes:	DonFoam 812/PIR is a kind of blend polyols with hcfc-141b foaming agent, with polyol as the main raw material, mixed with special auxiliary agent, suitable for the insulation of construction, transportation, shell and other products. The polyurethane product prepared by reacting it with isocyanate has the following advantages: 1.Foam has uniform strength and dimensional stability in all directions 2.The foam products can be cut into different shapes according to the requirements of the product 3.Excellent thermal insulation performance Information provided by Shandong INOV Polyurethane Co., Ltd.
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Physical Properties	Original Value	Comments

Specific Gravity	1.15 - 1.25 g/cc
Density	0.0270 - 0.0310 g/cc	Free density, High Pressure
	0.0280 - 0.0320 g/cc	Free density, Manual mix
	>= 0.0500 g/cc	Overall Molding Density; GB/T 6343
Viscosity	200 - 300 cP	Dynamic
Storage Temperature	10.0 - 25.0 °C

Mechanical Properties	Original Value	Comments
Compressive Strength	>= 0.150 MPa	GB/T8813

Thermal Properties	Original Value	Comments
Thermal Conductivity	<= 0.0220 W/m-K @Temperature 15.0 °C	GB/T 3399

Processing Properties	Original Value	Comments
Processing Temperature	20.0 - 25.0 °C	Raw material temperature, Manual mix
	20.0 - 25.0 °C	Raw material temperature, High pressure
Cure Time	270 - 320 sec	Tack free time, High Pressure
	300 - 350 sec	Tack free time, Manual mix
Gel Time	2.00 - 2.67 min	High Pressure
	2.30 - 3.00 min	Manual mix
Shelf Life	6.00 Month

Descriptive Properties
Appearance	Light yellow to brown transparent liquid
Closed-cell rate	=90%	GB/T 10799
Cream time	25-45 sec	High Pressure
	30-50 sec	Manual mix
Dimensional stability	=0.5%	24h, -20?; GB/T8811
	=1.0%	24h, 100?; GB/T8811
Flammability	B2, B1	GB/T 8624
OH value	150-250 mgKOH/g
Recommended Ratio	100	DonFoam 812/PIR
	150-200	Isocyanate

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PINOVCHM029 / 312558

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