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Before polishing the aluminum pipe, it is necessary to degrease it. Degreasing processes can be selected for treatment based on the amount of sludge contamination present on the surface of the polished parts. The following two degreasing processes are typically used from china aluminium products supplier. The sludge on the surface of aluminum pipes is slightly contaminated and is distributed more uniformly than on the surface of other materials. When we clean, we use a mildly corrosive alkaline cleaning solution. The following are it... more