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

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

Uses

It is used for concrete admixture as water reducing agent, binder for ceramics and dispersing agent for pigments etc.

Packing

Packing in 25kg/bag for powder form and normally packed in container bag for long distance transportation for liquid form.

Shelf Life

18 months

 
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