What are the best dyestuffs for silk products?
If from the convenience of dyeing, acidic, weak acid dyes the most convenient. Fastness says that weak acid and reactive dyes are slightly better.
As good and bad, can not be generalized, depending on the specific color requirements. That is not every type of dye is complete chromatography, and sometimes must be considered in line with the requirements of the premise of chromatography, so that can not say which is good, with just fine. Such as black, you better to direct dyes, and acid black is difficult to dyed pure black.
Silk can be dyed with acid dyes, weak acid dyes, reactive dyes, and can also be dyed with direct dyes.
