Ekomet's composition of M553
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- In detail
Composition of working solution of etching polishing of copper:
- "EKOMET-M552" (or "EKOMET-M553") — 40 ml/l
- sulfuric acid (the square of 1,84 g/cm3) — 235-240 ml/l
- nitric acid (the square of 1,39 g/cm3) — 235-240 ml/l
- temperature — 18-25 °C
- hold time — 0,5-6 minutes depending on thickness, durability of coupling of oxidic layers with a surface of copper, a state and a relief of a surface.
After etching it is recommended to process details in solution Solution for prevention of tarnishing of copper and copper alloys "EKOMET-M06 to provide preservation of appearance and gloss of copper for a long time. An approximate expense of compositions of "EKOMET-M552/M553" — 9-15 ml on 1 sq.m the processed surface.
It is necessary to store compositions of "EKOMET-M552/M553" in the closed container at a temperature not below +4 °C.