2019 China New Design High Hardness Two Component System - Donboiler 212 HCFC-141B base blend polyols – INOV
2019 China New Design High Hardness Two Component System - 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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