This part of GB/T 22638 specifies the testing method for the wettability of aluminum foil. This section applies to the detection of the wettability of the aluminum foil surface after annealing. The wiping method specified in this part is the referee method for aluminum foil wettability testing.
GB/T 22638.5-2016 history
2016GB/T 22638.5-2016 Test methods for aluminium and aluminium alloy foils—Part 5:Determination of wettability
2008GB/T 22638.5-2008 Test methods for aluminium and aluminium alloy foils.Part5:Determination of wettability by brushing