Which alloys of aluminum coil are used for channel letter
3003 aluminum channel letter coil falls on Al-Mn alloy featured by a stronger hardness and corrosion resistance than the strongest 1xxx aluminium alloy 1100 not to mention 1050. After being painted 3003 aluminium coil boasts even better performances as a channel letter coil. With the manganese alloy its service life is extended substantially.
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