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Products made from aluminum alloy are very porous and has rough surfaces because volume contraction partially occurs in the cooling process of die casing.
Impregnation is needed to improve surfaces of ADC products and to prevent the leakage of air, gases, oils or liquid sand.

ADC mainly used in automobile industry demands the best impregnation technology. Automobile parts must be completely sealed and given sufficient durability because these parts must endure high temperature and pressure.
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Pore Size

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The Shape of Pore

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