• PUNF Foam
Sound absorption lining for ducts
- General Details
PUNF Foam is a fire retardant modified polyurethane acoustic foam designed to meet the stringent requirements of British Building Regulations. Dark grey in colour, PUNF 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
- Available with various backings, including self adhesive backing and Class ‘O’ foil facing.
- Technical InfoPhysical Information
Standard sheet size:2m x 1m
Also available in rolls of 10m and 20m lengths depending on material thickness
Standard thicknesses: 6mm, 12mm, 15mm, 20mm, 25mm, 30mm, 45mm, 50mm and 70mm
Density: 108 kg/m3
Indentation hardness: 156 N
Tensile strength: 88 kps
Elongation at break: 188% (min. unaged)
Operating temperatures: 80° C (max. continuous)
110° C (intermittent)
-30° C (minimum)
Physical Information
PUNF Foam conforms to the following specifications:
Fire tests
BS 476: Parts 6 & 7 – Class ‘O’
BS 476: Part 5: 1979 – Class ‘P’
BS 476: Part 6: 1981 – F.p.i index 8.5
BS 476: Part 7: 1987 – Class 1
BS 4735 – Char 4.5mm
BS 5852 Part 2 – Pass
Civil Aviation CAA8 / FAA – Pass
Flammability (FMVSS 302) – Zero burn rate
– Self extinguishing
ASTM 1692: 1974 – Resists ignition
UL 94 Classification – 94-V-0
ATS1000.001 Smoke Toxicity – Pass
- Order Enquiry
Contact form description text
- Product Video
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