The aluminium strip rolls for ac machine condenser are of 8011, 1100 or 3102 alloy, with tempers of O, H22, H24, H26 and H18. The strip rolls are used for ac machine condensers because they have light weight, good heat exchange and excellent corrosion resistance. General thickness of the rolls ranges between 0.09mm and 0.20mm, and width 200mm to 1400mm. …