Aluminum Aluminium Door Jamb Extrusions China Manufacturer ...
Characteristics of aluminium frame profiles for door and window Aluminum has a density of only 2.7g/cm3, about onethird that of steel, copper, or brass 7.83g/ cm3, 8.93g/ cm3, respectively .Aluminum exhibits excellent corrosion resistance under most environmental conditions, including air, water or salt water , petroleum chemistry, and many chemical systems.