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OEM asks how etch rate is calculated and measured

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Proper Calculation of Etch Rate. How is the etch rate measured and how does one calculate the etch rate for Aluminum Parts needing to be anodized.

Henry B Parker
OEM - Baltimore, Maryland, USA
2003

2003

dear henry

etch rate is calculated as gram per sq. meter

it is usually 50-80 gr/m2 for normal etch activity.

long life etch bath poses etch rate less than above to maintain satin finish on aluminum .

hadi khosravi
- tehran iran

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