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Etchant #043, 32oz (E407-043-32-00) - ASTM E-407 Etchants by Metallurgical Supplies
SOLUTION ETCHANT #043
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
20 mL NH4OH
1 g ammonium persulfate
60 mL Water
Immerse 5–30 s.
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