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Sodium lignosulfonate
Description
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.
CAS Number:8061-51-6
Appearance:Brown Powder or brown liquid
Densify:~0.5g/cm3
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Specification
Appearance:Brown powder
Moisture:5.0%max
PH value:9-11
Lignosulphonate assay:50%min
Total reducing matters:4.0%max
Water insoluble matter:1.5%max
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Uses
It is used for concrete admixture as water reducing agent, binder for ceramics and dispersing agent for pigments etc.
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Packing
Packing in 25kg/bag for powder form and normally packed in container bag for long distance transportation for liquid form.
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Shelf Life
18 months
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