... max0.01%max0.005%max3. Payment:1,35%TT inadvance 65% against the B/L copy .2, The special ... after comfirm order5 .Application: The use of caustic soda/sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten ... pharmaceutical and organic intermediates, old rubber regeneration system of metallic sodium, water electrolysis, as well as inorganic salt production, preparation ...