
Preformed Rigid Polyurethane (PUR) And
Polyisocyanurate (PIR) Foams for Thermal Insulation
Thermal insulation materials - temperature ranging from - 180oC to + 110oC for various application in Building and all type of Industries. K values of these materials are the lowest of all the Thermal Insulating Materials.
SI. No. | Item Description | PUR | PIR | As per Method of Test Ref. to |
1 |
Density |
40 Kg./M3±2 |
42 Kg./M3±2 |
IS: 12436-1988 |
2 |
Thermal Conductivity |
0.03W/mK at 50oC |
0.03W/mK at 50oC |
IS: 3346-1980 |
3 |
Compressive Strength |
115 KPA |
205 KPA |
IS: 11239 [Part-11] 1985 |
4 |
Closed Cell Content |
Minimum 85% |
Minimum 85% |
IS: 11239 [Part-5] 1985 |
5 |
Dimensional Stability at 100+/-2oC |
±2 |
±2 |
IS: 11239 [Part-2] 1985 |
6 |
Water Vapour Transmission |
5.5ng/Pasm |
8.5ng/Pasm |
IS: 11239 [Part-4] 1985 |
7 |
Horizontal Burning area in mm |
125 mm |
25 mm |
IS: 11239 [Part-12] 1985 |
8 |
Temperature Range |
Upto 110oC |
Upto 140oC |
IS: 11239 [Part-12] 1985 |