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What is direct dyes? How to use direct dyes?
Direct dyes is a kind of dyestuff that can dye cotton and linen fabrics directly without any other medium. It is soluble in water (but sensitive to hard water and must be dyed in soft water). In dyeing, sodium hydroxide (Na2SO4) or salt (NaCl) play a role in promoting dyeing. The direct black dye...Read more -
Why does the acid dyes market have such a clear trend after the Spring Festival?
After the Lantern Festival, the Spring Festival holiday officially ended. With the return of businessmen and the restart production of downstream dyeing plants, the acid dyes market began to recover gradually, and the speculative atmosphere of the dyestuff market began to intensify. Here, I want ...Read more -
How to choose and buy basic dyes?
In the process of dyeing products with basic dyes, in order to achieve a satisfactory dyeing effect, except following with the correct dyeing steps and precautions, the selection of materials is a crucial factor in ensuring the quality of dyeing. However, there are so many basic dyes in the marke...Read more -
What is sulfur black? What is the strength?
Sulfur black is a black phosphorus flake solid, which is mainly used for dyeing cotton suck as jeans. English Name: sulfur black Sulfur black BR 200% 501 Sulfur black BR 200% 588 (522) Sulfur black BR 240% 501 Sulfur black BR 240% 588 (522) Sulfur black B 200% 521 (C.I. Black Sulfide 1) Speci...Read more -
What matters should be paid attention to in sulphur black dyeing?
1. Sulphur black dyes are water-resistant dyes, so the sulphur dyes do not have dyeing ability for cotton. However, it has good dyeing properties for cotton when the dye is reduced to leuco in alkali sulfide solution. The dyeing of sulfur dyes is carried out in sodium sulfide solution. 2. Operati...Read more -
What are the factors that affect the price of basic rhodamine b?
Basic rhodamine b is common to see in industrial dyes and widely used in various industries like paper industry, wood industry, pigment industry and so on. With the continuous development and progress of industries, the demand for basic rhodamine b is also increasing. What are the factors that af...Read more -
What is basic Rhodamine B? Where to buy best quality Rhodamine B?
Basic Rhodamine, also known as basic rhodamine b, basic rhodamine pink red (diluted commercial name), basic fluorescent red 8B, rhodamine B. Dye Index No. C. I. BASIC VIOLET 10 (45170). The basic rhodamine B is condensed by phthalic anhydride after adding sulfuric acid to M-hydroxy diethylaniline...Read more
