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Heat & Sound Insulating Aluminum Front Doors Product Overview This aluminum entrance door, made of 6063-T5 aerospace-grade titanium-magnesium aluminum alloy profiles, is a perfect integration of safety and aesthetics. The aerospace-grade material endows it with excellent deformation and corrosion resistance, enabling it to effectively resist the erosion of harsh weather, have a longer service life, and build a solid first line of defense for home safety. In terms of