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Wilhams PUNF® acoustic foam is fire retardant modified polyurethane acoustic foam designed to meet the stringent requirements of British Building Regulations. Dark grey in colour PUNF acoustic foam is CFC and HCFC free.
Advantages - Available in sheet or roll form.
- Flexible and easily cut.
- Easy to handle and install.
- CFC and HCFC free.
UsageUsed as a sound-absorbing material to cover inside the wind pipe or cover outside the wind pipe.
Used as a component to increase the soundproofing performance of floors, walls, ceilings.
Physical Information - Standard sheet size: 2m x 1 m or 2 x 1.2m
- Standard thicknesses: 6mm, 12mm, 15mm, 20mm, 25mm, 30mm, 45mm, 50mm and 70mm.
- Indentation Hardness 156 N Tensile strength 88 kps Elongation at break 188% (min un-aged)
- Operating temperatures 80ºC(max. continuous) 110ºC (intermittent) -30ºC (minimum)
- Thermal Conductivity 0.053 W/(m.o C) @20 C
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