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The bubble film composite aluminum film combines the reflective and heat-resistant properties of aluminum plated film material with the insulation and thermal insulation properties of polyethylene material, making it not only have good insulation, heat reflection, and thermal insulation functions. Moreover, it can play a good role in moisture prevention, insulation, and energy conservation in building applications. It can be installed on roofs, walls, or floors, serving as a barrier to over 80% of the external heat energy in buildings, protecting walls, and resisting sudden temperature increases and decreases.