China wholesale Quasi Mdi-Terminated System Mdi - Donboiler 214 HFC-245fa base blend polyols – INOV

Donboiler 214 HFC-245fa base blend polyols

INTRODUCTION

Donboiler214 is the blend polyether polyol consisted of polyols, catalyst, blowing agent and other additives.The blowing agent is HFC-245fa. It can react with isocyanate to form rigid polyurethane foam with excellent thermal insulation property.

PHYSICAL 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

18±2 ℃

REACTION CHARACTERISTICS

 

Manual Mixing

High Pressure Machine Mixing

Cream Time   s

8-10

6-10

Gel time      s

55-75

50-70

Tack free time  s

70-110

65-90

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℃

%

≤1

24h 100℃

%

≤1

PACKAGE

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