A technique of whitening fibres or fabrics or depriving a colored materials. This is introduced about by utilizing several bleaching-brokers. Usually chlorine is utilized for cotton and various vegetable fibres and peroxide and sulphur dioxide for animal fibres. To bleach silk, Adhere to the same Recommendations as under for cotton https://cottonmanufacturing59360.blogdanica.com/35849674/cotton-manufacturing-for-dummies