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.