Liquid Polyurethane Raw Materials for PU Foam Pipe Insulation
Feature
1.High Strengh
2.High temperature resistance
3.Good liquidity
Typical Reactivity Property
| Item |
Manual Mixing |
Low Pressure Foaming Machine |
High Pressure Foaming Machine |
| Cream Time (S) |
15-30 |
13-25 |
10-20 |
| Tack Free Time (S) |
60-100 |
55-90 |
50-80 |
| Free Rise Density (Kg/m3) |
22-33 |
22-32 |
21-31 |
Note:According to the system different,the materil ratio is different.
ater blown materil ratio:1.4~1.5.
Product Property
| Item |
Unit |
Standard Value |
Huide Value |
| Core Density ≥ |
Kg/m3 |
60 |
60-80 |
| Close Cell Content ≥ |
% |
88 |
90-95 |
| Thermal Conductivity ≤ |
W/m.k |
0.03 |
0.02-0.03 |
| Compressive Strength ≥ |
Kpa |
300 |
300-400 |
| Temperature Dimensional Stability 24H100ºC≤ |
% |
3 |
1.0-3.0 |
Note:Ordinary type temperature resistance within 120ºC; Temperature resistance type I 130ºC or less; Temperature resistance type II 150ºC or less.
Above Data is for reference only.Actual values vary depending on pipe diameter and process (small and medium-sized pipes.as an example, larger pipes with different parameters).
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