COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE USING SAME, ROUGHENED STAINLESS STEEL, AND METHOD FOR PRODUCING SAID ROUGHENED STAINLESS STEEL
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United States of America Patent
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Aug 11, 2022
app pub date -
Jul 22, 2020
filing date -
Jul 30, 2019
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Abstract
The present invention provides: a composition with which the surface of a stainless steel is sufficiently roughened in an efficient manner with few steps; a method for roughening a stainless steel; and the like. The above are achieved by means of a composition for roughening the surface of a stainless steel, said composition containing from 0.1% by mass to 25% by mass of one or more substances that are selected from the group consisting of persulfuric acid and persulfuric acid salts based on the total amount of the composition, and from 1% by mass to 30% by mass of halide ions based on the total amount of the composition.
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