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Consumption of NaOH in etch tank

I ASK QUESTION ABOUT CONSUMPTION OF NaOH IN LONG LIFE ETCH WITH 130-140g/l Al AND 57-61 °C ?

ALI
ALIAL - BAGHDAD, IRAQ
2003

Dear ali,

The figure 25 kg caustic per tons of aluminum profiles is reasonable. It depends also on weight/surface of workpiece being etched.

hadi khosravi
- tehran iran
2003

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