An acrylic pressure-sensitive adhesive is applied on one side of a 30 micron (0.03 mm) aluminium foil tape from PAR Group, which is backed by a sturdy polythene-coated release paper. The tape is 70 microns thick overall, including the sticky backing (0.07mm). You may get aluminium foil tape online from PAR Direct by clicking the mentioned link.
Commonly used for insulation and duct sealing in the heating, ventilation and air conditioning market. Foil tape is also used for electromagnetic protection in the electronic industry.