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Need acid etch process before Anodizing to hide extrusion die lines

Supplier of the chemical.

Bhabha Kothari
anodizing Co. employee - Bangalore, Karnataka, India
January 8, 2011

Hi, I am looking for a proper formulation with how-to-use info regarding Acid etching before Anodising for removal of die lines, graphite or roller lines, scratches, scuffs, etc. from Aluminium extrusions. I have tried mechanical brushing, but it didn't give desired results. please help me with name &

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