Sodium lignosulfonate is by-product of sulfite pulping process for paper, or from use of sodium bisulfite on the wood or by treatment of sulfite liquor from calcium bisulfite pulping with sodium sulfate.
Appearance:Brown Powder or brown liquid
Total reducing matters:4.0%max
Water insoluble matter:1.5%max
It is used for concrete admixture as water reducing agent, binder for ceramics and dispersing agent for pigments etc.
Packing in 25kg/bag for powder form and normally packed in container bag for long distance transportation for liquid form.