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Aluminum composite panels is a new type of building decoration materials, lightweight, perfect rigidity, waterproof and weather resistance, gorgeous colorful, easy formed and install, is widely used in curtain wall, indoor decoration and advertisement sign. While for outdoors applications, there is the difference between the curtain wall and outdoor signage.
According to ASTM standards, for curtain wall, first of all, weatherability, fluorocarbon PVDF coating with super weatherability, durability and corrosion resistance. Then, the content of fluorocarbon (polyvinylidene fluoride) must be equal to or higher than 70%. Last, the thickness needs 4mm | 5mm | 6mm, and aluminum skin thickness needs 0.5mm.
And for signage, can choose PE coated, and the panel thickness is not strictly limited.