What else is there in dyes besides dyes?Dye production is generally divided into three steps:1. Synthesis of dye intermediates2. Dye intermediates produce dye powder through chemical reaction3. Dye powder is processed to produce commercial dyes, that is, dye commercializationCommodity dyes are not j
READ MOREAre fluorescent whitening agents in textiles really harmful?1. Non-fluorescence is a marketing and hype behavior of many businessesIn order to promote their products, some businesses promote their products to be free of fluorescent whitening agents and promote that fluorescent whitening agents are h
READ MOREWhat are the fastnesses in the laboratory?1. Dyeing depthIn general: the darker the color, the lower its fastness to washing, rubbing, etc.;In general: the lighter the color, the lower its fastness to sunlight, chlorine bleaching, etc.2. Are the fastness to chlorine bleaching of vat dyes very good?F
READ MOREThe most commonly used acid in printing and dyeing factories: acetic acidAcetic acid (chemical formula CH3COOH), commonly known as acetic acid, is an organic monobasic acid. Acetic acid with a content of 98% freezes at low temperatures and is commonly known as glacial acetic acid. The pH value of an
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