This kind of aluminium profile is special for seal polycarbonate sheet, it can seal polycarbonate hollow sheet edge to prevent dust, water and bug get access the hollow space, it can postpone the life of polycarbonate hollow sheet.
Also, the anodized treatment on the surface of the profile can prevent rust in moisture atmosphere, it can last more than 15 years.
Material: aluminium alloy 6063-T5
Small items suit to 4mm and 6mm
Medium items suit to 8mm and 10mm
Large items suit to 12mm to 20mm
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