... 1 Here, Tianjin Xingkai Chem Co.,Ltd, is specialized in producing caustic soda(flake, pearl, solid and liquid) for 16 years ... dissolves in water with heat release; Soluble in methyl and ethyl alcohol; Insoluble in ethyl; Not volatile, but ... refining tungsten, artificial silk, rayon and soap manufacturing, production of dyes, plastics, pharmaceutical and organic intermediates, manganes salts, phosphate. ...