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Ekomet's composition of M553

Ekomet's composition of M553

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Kazakhstan, Shymkent
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Description
Compositions of "EKOMET-M552" and "EKOMET-M553" are applied to etching and simultaneous chemical polishing of copper. Compositions are intended for removal of products of corrosion of copper, cleaning of its surface and drain of a blanket for the purpose of giving to copper products of a trade dress. Solutions of compositions do not contain highly toxic compounds of chrome (VI). Solution with composition of "EKOMET-M553" has a little bigger service life, than with "EKOMET-M552".

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

Processing mode:

  • 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.

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