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Etchant #055, 8oz (E407-055-8-00) - ASTM E-407 Etchants by Metallurgical Supplies
SOLUTION ETCHANT #055
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
1 mL H2SO4
15 mL HNO3
10 mL acetic acid
5 mL H3PO4
20 mL lactic acid
Use a certified and tested hood.
Swab gently 10–15 s.
Rinse with methanol and blow dry.
Helps to chemically polish.
If final etch is too mild, follow with No.
Do not store.
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