a51

Isofon A51

Flexible, open-cell polyurethane foam. The face sealed with an oil and water repellant viscose-polyester non-woven. Used for sound absorption, thermal insulation and vibration insolation. A pressure sensitive adhesive with release film is optional.

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Product Description

Isofon A51 is a flexible, open-cell polyurethane foam. The face sealed with an oil and water repellant viscose-polyester non-woven. Used for sound absorption, thermal insulation and vibration insolation. A pressure sensitive adhesive with release film is optional.

Application

Isofon A51 repels water, oil, diesel,… and therefore is suitable for sound absorption and insulation in engine compartments, vehicles, boats,…

Availability

  • Sheets of 2000 x 1000 mm
  • Thickness: 10, 20, 25, 30, 40 and 50 mm
  • Specific formats and cut-outs on demand.

Fire Performance

Isofon A51  meets the requirements of FMVSS 302.

Acoustic Performance

  •  Noise Absorption (Sabine)
Freq. 125 Hz 250 Hz 500 Hz 1000 Hz  2000 Hz  4000 Hz
&s (10 mm) 3 5 25 45 80 90
&s (30 mm) 5 8 70 82 87 70
&s (50 mm) 13 25 90 92 85 85

Foam Characteristics

Colour Dark Grey
Weight 25 kg/m³
Temperature resistance       – 40°C to + 100°C
Thermal conductivity 0.033 W/mK

Adhesive

Bonding surfaces must be smooth, clean and dry. Ideal tape application temperature is 20 to 35 °C. Apply firm  pressure for a good adhesive contact and bond strength. The ultimate bond strength will be achieved after 24 hours.
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