Expanded Polyurethane Foam (Puff) Pipe :
Polyurethane foam is basically polymer, which is form when Iso-cyanate and Polyol is reacted. These compounds are mixed and pour to mold to form rigid, cellular foam. Resultant material is light weight polymer with excellent insulating property.
Characteristics:
Density in (Kg/M3) | 36 to 40 Kg/M3 |
Cell structure | Closed Cell |
Pipe Diameter | ½” to 24 “ |
Thickness in mm | Pipes : 25 -100, |
Dimensions | Pipe : 1 Mt L, |
Temperature Range | – 40 0C to 110 0 C |
Thermal Conductivity (W/mk) | 0.021 @ 10 Deg C |
Compressive strength | 205 KN/m2 |
Water absorption | 0.5 % by volume |
Water vapor permeability | 5.5 max (Ng/Pa-s-m) |
Application :
- Cold storage and refrigeration wear
- Critical Industrial Application where maintaining a consisting temperature is most
- Pipe Insulation
- Cold Storage, Cold Room
- Food Processing Unit
- Shopping Malls
- Auditorium
Advantages:
- Environment friendly CFC & HCFC Free polyurethane foam of desired and uniform
- Close cell content over 90%.
- Excellent Dimensional and thermal Properties.
- Superior insulating efficiency leading to energy savings.
- Durable
- Water and moisture resistant
- Resist to most oil, chemicals, and solvents
- Fire Resistance
- Void Free Insulation
- No thermal Bridges
- Cost Effective
Thermal Resistance: (R – Value)
Thickness mm | R Value (m2.K/W) |
25 | 1.08 |
30 | 1.3 |
35 | 1.52 |
40 | 1.73 |
45 | 1.95 |
50 | 2.17 |
75 | 3.26 |
100 | 4.34 |