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OEM asks how etch rate is calculated and measured

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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