▎ 摘 要
NOVELTY - This new utility model claims of one of chemical raw material package composite material, oxidation of graphene is 10 nanometer to-1 micron thick PET layer of 2-10 micron thickness, 6-8 micron thickness of VMPET layer and 40-100 micron thickness of PE heat seal layer are orderly composite, between each adjacent layer of polyurethane.