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1.Ferrochrome Lignosulfonate (FCLS)(Patent Number：ZL 2009 1 0311639.0)

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 SY/T5702-95 quality standard.

2.Specifications of Chrome Lignosulfonate(Patent Number：ZL 2010 1 0300947.6)

Chrome Lignosulfonate is one special kind of Lignosulfonate that used as drilling mud thinner. It can anti-high temperature, anti-salt and also can easily used with other mixture together. It is mainly suitable to drilling deep well on the condition of complex terrain and mineral content。

3.Specifications of MH-ⅠChrome free Lignosulfonate(Patent Number：ZL 2009 1 0072632.8)

MH-ⅠChrome free lignosulfonate is a thinner used in drilling fluids and fluid loss control agent. It has the character of anti-high temperature no-poisonous and anti-electrolytes and being used with other admixture agent etc. It is mainly suitable to the all kinds of muds.

4.Specifications of Calcium lignosulfonate

Calcium lignosulfonate (CALS) is a processed anionic surface agent with performance satisfactorily, it takes the by-product of second sulphate papermaking as raw materical. It has been used widely at construction 、ceramics and metallurgy etc.The CALS has advantages of a little volume to admixture, cheap price, used easily and improving the performance of concrete etc.

5.Specification of Sodium Lignosulfonate

Sodium lignosulfonate (SLS) is a processed anionic surface agent with performance satisfactorily, it takes the by-product of second sulphate papermaking as raw materical. It has powerful dispersive action and damping action. It has been used widely construction 、ceramics and agricultural chemical etc.

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Specifications of Chrome Lignosulfonate(Patent Number:ZL 2010 1 0300947.6)

Chrome Lignosulfonate is one special kind of Lignosulfonate that used as drilling mud thinner. It can anti-high temperature, anti-salt and also can easily used with other mixture together. It is mainly suitable to drilling deep well on the condition of complex terrain and mineral content。
Physical and chemical index

Item

Requirement

Moisture (%)

≤8.5

Insoluble in water (%)

≤2.5

CaSO4 (%)

≤3.0

Total Cr (%)

3.6~4.2

Cr complex (%)

≥75.0

Mud Property index:

Item

Fresh water drilling mud

Salt water
drilling mud

Normal temperature

Apparent viscosity
mPa.s

≤30

≤30

Rate of reducing viscosity   %

≥85

≥65

High temperature

Apparent viscosity
mPa.s

≤40

≤45

Rate of reducing viscosity   %

≥60

≥60

A、Characteristics
1. Anti- high temperature. It can anti the high temperature between 150℃ to 160℃, the  property of the  mud can stay the same during the 16 hours.
2. Anti- salt. It can anti the salt of 2%. The mud property of salt water is better than FCLS (Ferrochrome Lignosulfonate).
3. Dilution. The dilution is better than FCLS in the same mud.
4. It is suitable to all kinds of mud due to the excellent thinning property, filtration control capacity and powerful anti-electrolytes.
B、Application:
Chrome Lignosulfonate can be added into drilling fluids in the form of aqueous solution or powder. When you change PH index into 10.0~10.5, the quantity of thinner was 0.5~1.0 % (W/V).
C、Package: 25kg.per bag (net weight), With PE film bag inside and paper-plastic complex valve bag outside.
D、Attentions
1. Hazardless
The chemical property of this product is stable and will not change in the normal temperature and ordinary pressure. This product is in weak acid, avoid from the breakage of package and wearing full protective clothing to protect from contact with skin when carrying 
2. Storage
Avoid from water and wet. Keep away from heat. Put in the place of dry and ventilate
E、Precaution
It will not self-ignition，you can put out with water or foam fire-extinguisher when it was ignited.
F、First aid
If contact with eye and skin, wash eyes with lots of water and wash skin thoroughly with water