3M's Aluminum Foil Tape 4380 is a self-winding all-purpose aluminum foil back tape combined with a pressure-sensitive acrylic adhesive. The tape is ideal for general-purpose sealing, fixing, splicing or masking applications that require heat or flame protection from foil backing.

     Aluminum Foil Tape 4380 is a universal aluminum foil tape consisting of 2.0 mil extremely soft aluminum foil backing and a pressure sensitive acrylic adhesive. The tape is malleable and fits well on uneven, curved or irregular surfaces. Aluminum backing provides an excellent reflective surface and provides thermal conductivity for improved heating and cooling efficiency. It reflects light to improve lighting efficiency. And withstands flame, moisture, weather, dust, UV degradation and many chemicals, providing long-lasting durability.