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Etchant #049, 32oz (E407-049-32-00) - ASTM E-407 Etchants by Metallurgical Supplies
SOLUTION ETCHANT #049
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
3 g FeSO4
0.4 g NaOH
10 mL H2SO4
190 mL Water
Electrolytic at 8–10 V (0.
1 A) for 5–15 s.
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