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Aluminum foil tape AS291, thickness 120 µm, 4.8 cm x 45 m, -40 - +120 °C

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Aluminum foil tape AS291, thickness 120 µm, 4.8 cm x 45 m, -40 - +120 °C

  • very sticky and resistant to the critical temperatures
  • coated with a long lasting, ultra violet resistant acrylic adhesive on one side, and lined with a release paper to protect the adhesive face
  • for connecting air ducts and fittings
  • tested to BS476 part 6 & 7 standards and meets class 1 and class 0 fire regulations
  • made in UK
  • safe to environment product
  • manufactured in accordance with ISO 9001: 2000 quality assurance system
Code
Width, mm
Length, m
AS291
48
45
  • thickness of the tape: 120 microns, foil thickness: 30 microns
  • tensile strength: 95.5 N / 25 mm
  • elongation: 5 %
  • peel adhesion: 1 hour 14-16 N / 25 mm, 24 hours 19-20 N / 25 mm
  • loop tack test: 12.0 N
  • humidity shear test: > 4 hours
  • application temperature: 0 ºC to +50 ºC, the surface must be free from ice or moisture
  • service temperature: -40 ºC to +120 ºC (can withstand +140 ºC for a few minutes)
  • moisture vapour permeability: less than 1 g / m2 / 24 hrs @ 38 ºC & 90 % RH