PUNF Foam Pyrosorb
PUNF Foam Pyrosorb fire retardent duct foam
Fire retardent duct liner acoustic foam PUNF Foam Pyrosorb Fire retardent duct liner acoustic foam PUNF Foam Pyrosorb Fire retardent duct liner acoustic foam PUNF Foam Pyrosorb Fire retardent duct liner acoustic foam PUNF Foam Pyrosorb Fire retardent duct liner acoustic foam PUNF Foam Pyrosorb
PUNF Foam Pyrosorb

FIRE RETARDENT DUCT FOAM
PUNF Foam Pyrosorb Our Fire Retardent Acoustic Duct Foam is used for internal and external duct linings, thermal / acoustic machine coverings and suspended ceiling absorptive panels. It can also be used as part of composites combined with acoustic barrier materials. It is extremely versatile and highly adaptive. Also known as PUNF Foam, FR Foam and Pyrosorb.

This material is a fire retardent modified polyurethane acoustic foam designed to meet the stringent requirements of British Building Regulations. As well as being fireproof it is also CFC and HCFC free. Supplied with an adhesive backing this product is clean and easy to apply.

Generally supplied in 12mm and 25mm thicknesses although any thickness from 6mm - 100mm can be cut subject to minimum order quantities.
Fire retardent duct liner acoustic foam PUNF Foam PyrosorbDownload PDF

SPECIFICATIONS
ColourBlack
Size1000mm x 1200mm
12mm PlainPart Code F110
12mm Adhesive BackedPart Code F120
25mm PlainPart Code F130
25mm Adhesive BackedPart Code F140
Density108 Kg/m³
Tensile Strength88 kps
Indentation Hardness156N
Elongation at Break188% (minimum unaged)
Temp. Range-30°C to +110°C
80°C continuous
Flammability 
    FMVS302Zero burn rate, self-extinguishing
    BS476 Part 6&7Class 0
    CAA8/FAAPass all grades
    UL94Pass Rating 94-V-0
    PSA/FR3Passes Source 5
    ASTM 1692 1974Resists ignition
    PSA/FR3Passes Source 5
ABSORPTION COEFFICIENTS
Material / Hz1252505001K2K4KNRC
12mm0.050.150.200.350.400.450.28
25mm0.100.250.450.600.650.750.49
50mm0.250.450.700.850.851.000.70

DUCTWORK ATTENUATION (dB) - Airborne Noise
MaterialDuct Size1252505001K2K4K
12mm900x600mm0.20.61.73.75.34.5
25mm900x600mm0.20.82.910.86.97.2
50mm900x600mm0.82.97.211.07.16.2
25mm450x600mm0.41.03.314.18.38.9
50mm450x600mm1.63.18.716.68.38.6
25mm300x600mm0.61.43.815.112.011.4
50mm300x600mm2.65.410.519.515.111.6

DUCTWORK ATTENUATION (dB) - Breakout Noise
MaterialDuct Size1252505001K2K4K
12mm900x600mm2.95.18.84.27.213.0
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fire retardent acoustic foam

All information contained in these details is given in good faith but without warranty.
Custom Audio Designs reserves the right to alter the specifications of any product without notice.
©Custom Audio Designs 2004

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