BUFFER TAPE FOR PREVENTING LEAKAGE OF LIGHT AND WATER AND BUFFER TAPE FOR PREVENTING LEAKAGE OF LIGHT

摘要

The present invention relates to a cushioning film comprising a foamed foamed foam and formed to have a primary waterproof effect and a cushioning effect; A waterproof film provided with a waterproof polymer having a porosity of 1% to 50% and formed to have a secondary waterproof effect; And a light blocking layer printed on the waterproof film and disposed between the waterproof film and the cushioning film and having a colored material, wherein the light blocking layer comprises a waterproof polymer, a colored pigment, and an aluminum oxide (Al ₂ O ₃ ) Provided is a buffer tape having a light-shielding and waterproof function, which is produced by extrusion or cast molding of a mixture.