... good 99% sodium hydroxide 2.tech grade 3.low price and delivery immediately 1.Detailed Product DescriptionCaustic soda flake, pearl or solid Purity 99 ... 65% against the B/L copy .2, The special issues can be discussed . 4. Sample:1, sample avalable2, Sample Time: ... ,can ensure quality and delivery time.2,Best & Professional service3,Fast sample,best price.4,Small quantity is welcomed 99%min Sodium ...