... packing, mechanical components, refrigerator, air conditioning and ventilation pipe 1) Aluminium sheet Temper: H12, H14, H16, H18, H22, H24, H26, H32, H34 ... base plate, aluminium composite panel base plate, aluminium spacer, aluminium embossed sheet, aluminium tread plate10)Remarks of Aluminium sheet: Specific requirement of alloy, temper or specification ...