Description

6, Ferrochromium Lignosulfonate (FCLS)
1. Property
FCLS is a specially prepared thinner and fluid loss control agent used in drilling fluids. It has the characteristics of anti-high temperature and anti-salt etc. The products have been already reached quality standard.
2. Quality Indexes:
 

Item	Indexes
Appearance	brown powder
Material insoluble to water  %	≤2.5
Moisture                 %	≤8.5
Total Fe                 %	2.5~3.8
Total Cr                 %	3.0~3.8

Mud Property index:
 

Item		Fresh water drilling mud	Salt water drilling mud
Normal temperature	Apparent viscosity mPa.s	≤*0	≤*5
	Rate of reducing viscosity   %	≥*5	≥*0
High temperature	Apparent viscosity mPa.s	≤*0	≤*5
	Rate of reducing viscosity   %	≥*5	≥*5

3. Use
1、It is suitable to all kinds of mud, due to the excellent thinning property and filtration control capacity and powerful anti-electrolytes capacity
2、Be effective at temperature more than **0~**0℃,it can also be used above **0℃when cooperated with lignite derivatives and other temperature-resisting chemicals.
3、FCLS is a good emulsifier for oil in water mud.
4. Storage and Package
The net weight of each bag is *5kg. With PE film bag inside and paper-plastic complex valve bag outside.