Surface Treatment Of Expansion Tube

Mechanical grinding. Mechanical grinding the surface of the material is polished with various sizes of water sandpaper, wood sandpaper, and iron emery cloth to achieve the desired roughness. This method is simple and economical.

chemical processing, mainly the use of acidic or alkaline solution and oxide on the surface of the workpiece and the oil produces chemical reaction, make its dissolved in acid or alkaline solution, to remove surface rust scale and oil pollution, recycled nylon brush roller or 304 # stainless steel wire, resistance to acid and alkali solution made of steel wire brush roller clean can achieve a goal.

Plasma treatment. Plasma, also known as plasma, is a collection of positive and negative particles with positive charge. The positive charge and negative charge are equal in quantity of electricity, so it is called plasma. Plasma is the fourth state in addition to solid, liquid and gaseous state.

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