... 2 we are manufacturer of dye in china. for paper dye,textile dye,leather dye ink thanks and best ... used on the pirmentation such as the leather the paper and so on. acid dye are mainly used in ... as wool,woolen cloth,caddice,silk,leather,the paper and metal etc.meawhile,it can be used on pigmentation ... dyes are mainly used in dye such as paper,cotton,wool,silk,bamaboo,leather,feather and grass products.