Sulfonated Tanin
Product Name: Sulfonated Tanin 
CAS No.: 20-568-87
Relative Molecular Weight: 1600
Package: 25kg/Bag
Raw Material: Gallnut or chestnut
Application: Mainly used in oil, geology of the thinner for drilling fluid, cementing cement retarder.
Specification
Item Specification Appearance Light brown powder Moisture ≤10% Dry basis insoluble ≤5.0% Effective substance ≥75% PH value 7-9 Drilling fluid performance Base mud φ100visocity mpa.s 45-65 90-120 Apparent viscosity map.s 14-20 25-34 Yield point pa 7-12 16-22 1 min gel strength mpa.s 7-12 8-14