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Etchant #044, 8oz (E407-044-8-00) - ASTM E-407 Etchants by Metallurgical Supplies
SOLUTION ETCHANT #044
Etchant Solution following the standards of ASTM E-407. With the solution, a COA is provided and the COA's of all the chemicals used to make the solution.
ALL SOLUTIONS ARE MADE THE SAME DAY OF SHIPPING
50 mL NH4OH
20–50 mL H2O2 (3 %)
0–50 mL Water
Peroxide content varies directly with copper content of alloy to be etched.
Immerse or swab to 1 min.
Film on etched aluminum bronze removed by No.
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