JVCC Economy Aluminum Foil Tape [1.2 mil Linered] (AF12): 4 in. x 50 yds. (Silve
(96mm actual) x 50 yds. It is a 1.2 mil dead soft aluminum foil coated with a solvent-based acrylic adhesive. The malleable foil conforms well to irregular surfaces and is used for vapor barrier protection, waterproof sealing, heat reflection & dissipation, masking in paint stripping, and electroplating.