Leuco Sulphur Brown 4 Chemische Eigenschaften,Einsatz,Produktion Methoden
synthetische
coarse formic acid or m-Cresol?and Sodium polysulfide in 270 ~ 275 ℃ calcination, add or do not add Copper sulfate monohydrate all can.
Properties and Applications
brown light olive to yellow brown. Brown hydroscopicity powder. In hydrochloric acid in brown precipitation; In the Sodium hydroxide solution for blue light green.
Standard
|
Acid Resistance
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Alkali Resistance
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Light Fastness
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Fulling
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Persperation Fastness
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Soaping
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Moderate
|
Severe
|
ISO
|
4
|
3
|
3-4
|
4-5
|
|
4
|
3-4
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Leuco Sulphur Brown 4 Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte