1.reduce the filtration, 2.prevent the collapse of borehole, 3.lubricate the drilling tools

 Sulfonated phenol-formaldehyde resin SMP

1.      property

SMP--sulfonated phenoldehyde resin, can reduce the filtration, prevent the collapse of borehole, lubricate the drilling tools in the salt water drilling mud containing calcium under high temperature and high pressure.

2. Quality Indexes

Items	Indexes
Appearance	Brown(red) or yellowish powder
Water insoluble, %	≤10
Moisture, %	≤10
PH	9-10.5(10 for liquid product)
The concentration of Cl when the   Solution clondy(g/1)	100-160
The filtration (ml)	≤25

Sulfonated phenol-formaldehyde Lignite Resin