Polydure 5000 USDA, off white color, food grade color coating.
Characteristic
• The coatings are for application to structural surface where there is a possibility of incidental contact with food.
• The coatings are not to contain any hazardous substances, heavy metals or other toxic substances
• Suitable for use in the interior panel surface where USDA standard is required
Advantage of Polyurethane Panels
| Properties | Polyurethane Foam | Polystyrene Foam |
| Thermal Conductivity (VV/m.°C) Heat Transfer Coefficient (at 50 mm.thk) (Kcal/m2.hr.°C) Max. working Temp (°C) Flammability Panel Thickness Moisture Deterioration |
0.015 0.352 120 Self extinguishable Two times less No |
0.029 0.674 80 Flammable Two times more Likely |
Heat Transfer Coefficient at Different Thickness
| Panel Thickness (mm.) |
Heat Transfer Coefficient K (Kcal/m2.hr.°C) |
Cold Storage room Temp (°C) |
Thickness (mm.) If Polystyrene foam Panel |
| 50 75 100 125 150 |
0.352 0.235 0.176 0.141 0.117 |
0 < temp -10<temp<0 -20 < temp < -10 -30 < temp < -20 -40 < temp < -30 |
100 150 200 250 300 |
