INTRODUTION
This product is a type of blend polyols with 100% water as blowing agent, which is specially researched for rigid PUF. The characteristics are as follows:
(1) good flowability, Suitable for one-time pouring.
(2) excellent foam mechanical properties
(3) excellent high/low temperature dimensional stability
PHYSICAL PROPERTY
| Appearance |
Light yellow to brown yellow transparent liquid |
| Hydroxyl value mgKOH/g |
300-400 |
| Viscosity 25℃ , mPa·s |
1800-2400 |
| Density 20℃ , g/cm3 |
1.00-1.10 |
|
Storage temperature |
10-25 |
|
Storage stability Month |
6 |
TECHNOLOGY AND REACTIVITY CHARACTERISTICS
Component temperature is 20℃, the actual value is varied according to pipe diameter and processing condition.
|
Manual mixing |
High pressure machine |
|
| Ratio（POL/ISO） g/g |
1:1.0-1.1.20 |
1:1.0-1.20 |
| Rise time s |
60-90 |
40-70 |
| Gel time s |
200-240 |
150-200 |
| Tack free time s |
≥300 |
≥260 |
| Core Free density kg/m3 |
60-70 |
60-70 |
| Ratio（POL/ISO） g/g |
1:1.0-1.1.20 |
1:1.0-1.20 |
FOAM PERFORMANCES
| Foam Density |
GB/T6343-2009 |
60~80kg/m3 |
| Compressive Strength |
GB/T8813-2008 |
≥480KPa |
| Closed-cell rate |
GB 10799 |
≥95% |
| Thermal conductivity(15℃) |
GB 3399 |
≤0.032mW/(m.K) |
| Water absorption |
GB 8810 |
≤3(V/V) |
| High temperature-resistance |
|
140℃ |
| Low temperature-resistance |
|
-60℃ |
PACKAGE
220kg/drum or 1000kg/IBC, 20,000kg/flexi tank or ISO Tank.