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The ALU125FSA is an aluminium tape with a white paper liner, that is typically used for smooth finishing within its applications: insulating, sealing, and moisture seaming. The aluminium backing provides excellent reflection of both heat and light. The cold weather adhesive provides a good application during winter season. Are you curious about our other aluminum tapes? Click here for an overview and a comparison table.


Total thickness
70 Micron
Backing thickness
30 Micron
Adhesion to steel
15/25 N/mm
Tack rolling ball
1,25 Cm
Tensile strength
45/25 N/mm
Elongation at break
3,0 %
Temp. resistance
-35˚C up to +120˚C
Fire retardancy
BS 476 Pt. 6 Class 0
Fire retardancy
BS 476 Pt. 7 Class 1
Fire retardancy
UL 723
Fire retardancy
Fire retardancy
DIN 4102-1 B1
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