... good 99% sodium hydroxide 2.tech grade 3.low price and delivery immediately 1.Detailed Product DescriptionCaustic soda flake, pearl or solid Purity 99 ... after comfirm order5 .Application: The use of caustic soda/sodium hydroxide and alkaline desiccant, paper, aluminum smelting, refining tungsten, rayon ... ,Fast sample,best price.4,Small quantity is welcomed 99%min Sodium Hydroxide industrial grade