China 2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 212 HCFC-141B base blend polyols – INOV Manufacturer and Supplier

2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 212 HCFC-141B base blend polyols – INOV

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We purpose to understand high quality disfigurement with the output and supply the top service to domestic and overseas buyers wholeheartedly for Hydrophobic Groutings, Motorcycle Seat, Pipeline Insulation, We are also frequently hunting to determine relationship with new suppliers to deliver impressive and good option to our valued buyers.

2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 212 HCFC-141B base blend polyols – INOV Detail:

Donboiler 212 HCFC-141B base blend polyols

INTRODUCTION

Donboiler212 is the blend polyether polyol consisted of polyols, catalyst, blowing agent and other additives. It can react with isocyanate to form rigid polyurethane foam with excellent thermal insulation property.

TYPICAL PROPERTY

Appearance	Brown-yellow transparent viscous liquid
Hydroxyl value mgKOH/g	300-400
Viscosity 25℃ , mPa·s	300-500
Density 20℃ , g/cm3	1.05-1.15

RECOMMENDED RATIO

	pbw
Donboiler 212 blend polyol	100
Isocyanate	120±5
Material temperature	22±2 ℃

REACTION CHARACTERISTICS

	Manual Mixing	High Pressure Machine Mixing
Cream Time s	10±2	7±2
Gel time s	55±3	40-50
Tack free time s	70-90	50-70
Free density kg/m3	26.5-27.5	25.5-27

FOAM PERFORMANCES

Moulding Density	Kg/m3	≥35
Closed-cell rate	%	≥95
Thermal Conductivity （10℃）	W/m.k	≤0.02
Compressive strength	KPa	≥120
Dimensional stability 24h -30℃	%	≤0.5
24h 100℃	%	≤0.5

PACKAGE

220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.

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We have been cooperated with this company for many years, the company always ensure timely delivery ,good quality and correct number, we are good partners.

By Elaine from Curacao - 2018.03.03 13:09

We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.

By Nainesh Mehta from California - 2018.07.12 12:19

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