We are professional manufacturer of lignosulphonate, with output of 3000mt/month. The details are as follows:

Calcium lignosulphonate
MG-1:
Color: Light Yellow
PH Value: 4-6
Water insoluble matter: 0.5% Max
MG-2:
Color: Yellow Brown
PH Value: 4-6
Water insoluble matter: 2.0% Max
MG-3:
Color: Dark Brown
PH Value: 4-6
Water insoluble matter: 3.0% Max