SMART (PIR) Ducting System V/s GI Duct With Nitrile Insulation
| DESCRIPTION | SMART (PIR) PANEL | NITRILE RUBBER | REMARKS |
|---|---|---|---|
| Insulation Property | Higher | Lower | Higher is Better |
| Thickness to achieve similar properties | 20mm | 28mm | 20mm SMART PIR Panel is equivalent to 38mm Nitrile |
| Thermal Conductivity | 0.019 W/m.K | 0.028 W/m.K | Lower is Better |
| Water Vapour Transmission | No | Yes | Lower is Better |
| Water Absorption | 0.03% | 0.90% | Insulation Property is affeceted by water absorption. |
| Surface Facing | Both side Embossed Aluminium Foil | No facing | Aluminium foil facing is Better. |
| Apparent Closed Cell | More than 95% | Upto 90% | Higher is better. |
| Fire Propagation Properties | BS476, Part 6, Class 0 | BS476, Part 6, Class 0 | SMART PIR Panels have better fire retardant properties |
| Flame Spread as per ASTM E 84 | Less | More | Lesser is Better. |
| Acoustic Property | Higher | Lower | SMART PIR Panels have noise reduction as well as acoustic properties |
| Product Life | More | Less | SMART PIR Panels have better product life |
| Performance Reduction | Not seen even in the longer run | Cracks are seen after 2 to 3 Years | Uniform Performance is observed in SMART PIR Panels. |