What is sulphur black? How about the strength and color shade?

Sulphur black, also known as sulfur black, is hydrolyzed from 2,4-dinitrochlorobenzene to dinitrophenol sodium, and then vulcanized with sodium polysulfide solution. Due to the different specifications of the product, there are many varieties. For example, sulphur black BR, sulphur black B, water-soluble sulphur black BR, etc. because of the simple production process, low cost, convenient use, good fastness to sun and soap, sulphur black has become a dye with large output in material production


The main performance index of sulfur black is dyeing strength and color shade. Cangzhou Xincheng Weiye Chemical is focusing on producing various strength of sulphur black for 25 years including 100%, 110%, 120%, 130%, 140%, 150%, 160%, 170%, 180%, 190%, 200%, 210%, 220%.Color shade has bluish, bluish and reddish. They are widely used for dyeing cotton, denim/ jeans, leather and paper. 

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Post time: Dec-17-2019