Being a reputed entity in this field, we have been formulating and supplying SF Blue B Dye. This dye is used on various different kinds of fibers. It usually gets attached to the substrate of fibers through a chemical reaction for forming a covalent bond between molecules of dye and fibers. In addition, it becomes a part of the fiber and reduces the likelihood of its removal. SF Blue B Dye does not fade and that is why it has become quite popular in the market.