A laminate of aluminium foil and polyethylene, reinforced and bonded with a fire retardent thermosetting adhesive.
CONSTRUCTION : Foil 20um aluminium ± 10%
Film 25um polyethylene film ±10%
Reinforcement 5 x 5 fibreglass scrim (2 x 2 yarns per cm)
Weight 93 g/m² ± 10%
Thickness 18 microns
PROPERTIES : Tensile strength Warp: 306 N/5cm FED STD 191/5102
Weft: 306 N/5cm
Tear Strength Warp: 800g ASTM-D-1242-63
Weft: 800g
Puncture resistance: 100 units ASTM-D781-65T
(Beach)
Permeability 0.33 Perms ASTM-E-96-66A
Corrosion resistance No corrosion after 20 days
FED SPEC HMB-100B at 49°C & 95% R.H
Fire resistance Fire propagation index
BS 476: Part 6: 1981
BS 476: Part 7: 1971
Temperature resistance Withstands 90°C continuous
Heat-scalable At 135°C
