... Soda is a white, crystalline powder. odorless and saline. Soluble in water, practically insoluble in alcohol ... , leather, ore milling and metallurgy, detergent for wool, exting uisher and metal heat-treating, fiber and rubber industry, etc 3 ... water proof layers 5.Quality controlRigid quality control on inputs, process and outputs lead to high purity and consistent quality that permit standardization ...