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Describe the type and characteristics of dye used in leather

Q

A

Used in drum dye in principle is anion dye. Acid and direct dyes are commonly used. These protons, when used for leather dye, do not differ in substance as in fabric, and are quickly absorbed if either side has a strong (high chromium content). In general, however, direct dyes tend to be more prone to this. The color is also a bit dull. The more oil is added to both of the leather's neutralizing properties, such as synthetic oil, the lower the color, and the lower it tends to be.

The chloride dye has a relatively small tendency to fluctuate in the acidability of the leather, resulting in a good degree of cleaning accuracy and a less brilliant color. Reactive dyes are also acidic and dyed on leather, but when treated in alkali, they have a special chemical reaction, but have a strong (binding) fusion and significantly improved cleaning falsity. However, it is hard to get dark blue because there are many dyes that can be melted without sticking. Chromatics are weak against alkali, making it difficult to show this type of dye.

A small amount of hydrothermal dye is also used, which is the exact opposite of the above dye. These dyes are very clear and deep in color, but they are not used alone because they are colored by friction lights and are easily faded by sunlight. For example, a black swidgetter dyes a sandwich in combination with a direct dye to depth the color.
Other soluble hydrogen sulfide dyes and tendonitis dyes improve their falsity by coloring and oxidation under moderate conditions. Because it often requires powerful chemicals, it is only used in special cases.

JINWOONG

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