3M Aluminum Foil Tape 4380 is a 3.25 mil industrial grade metal foil tape used for general purpose applications. This tape minimizes vapor transmission making it a good sealant. Other uses include light reflection, heat shielding, and thermal conducting.
General use holding, patching and sealing applications Light reflecting Heat shielding applications Moisture and vapor barrier Thermal conducting
Resists flame, moisture, weather, UV degradation and many chemicals
Thermally conductive tape reflects and dissipates radiant heat to protect heat sensitive components or surfaces