| ++ Polyurethane
hard foam plastic ++ |
|
Polyurethane hard foam plastic is a kind of ideal low
temperature heat insulating material of organic substance. It has
characteristics of small coefficient thermal conductivity, quakeproof,
strong adaptability. Widely used in keeping temperature and heat insulation
of refinery, chemical factory, ethene, fertilizer, refrigerator and
building industries. |
| Coefficient of
thermal conductivity |
 0.027w/m.k(room
temperature) |
| Oxygen index |
26-30% |
| Density |
30-60kg/m3 |
| Application temperature |
|
| Compression resistance |
 0.15Mpa |
Technical Parameters of PIR ( Toluene Triisocyanate )
Items
|
Unite
|
Parameter
|
Density
|
kg/m3 |
40~80 |
Coefficient of Thermal Conductivity |
20°C |
W/m.k |
0.030 |
-196°C |
W/m.k |
0.010 |
Combustion Performance |
|
Grade B1 |
Water Absorption Rate(v/v) |
% |
0.10 |
Compressive Rigidity
|
Mpa |
0.3 |
Size Stability
|
(-30°C×24h;120°C×24h) |
1% |
Using Temperature
|
°C |
-196~+150 |
Coefficient
of Linear Expansion
|
|
(5-10)×10-4 Density 30-80kg/m3
(1-5)×10-5 Density>200kg/m3 |
|
|
|
|
 |
+100