2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 212 HCFC-141B base blend polyols – INOV
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.
Product detail pictures:
Related Product Guide:
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