Xanthan Gum

Xanthan gum is a high molecular weight polysaccharide produced by viscous fermentation. Its unique functionality compared to other commercial polysaccharides is
provided by the actual structure of the xanthan gum molecule. It is widely used
as a thickener and stabilizer. 

Oil drilling and exploitation grade xanthan gum is specially produced as mud additive
for oil drilling and exploitations. Being an environmentally friendly and high
efficiency mud additive, oil drilling and exploitation grade xanthan gum has
an excellent tolerance to the changes of temperature, acid, alkaline and salt.
Meanwhile, it can extremely increase the products penetrating ability and suspending
performance to small solid materials, and reduce the pressure loss during drilling.
This xanthan gum can not only fasten the well bore, but decrease the damage
to oil formation. It can also greatly raise the efficiency of drilling, workover
and completion. As a biotype oil driver, oil drilling and exploitation grade
xanthan gum can improve oil extraction rate and utilization factor of natural
resources. The more important point is that it can furthest protect natural environment.

Specifications:
1) Appearance: cream colored and free flowing powder 
2) Viscosity: 1,300 - 1,700mPa.s
3) Bulk density: approx. 550 - 700kg/m³ 
4) PH value (1% solution): 5.5 - 8.5
5) Solubility: easily soluble in fresh or brine 
6) Temperature stability: 120 - 150°C
7) Particle size: 
    a) Through 28 mesh (micron): 100% 
    b) Through 42 mesh (micron): 95% min. 
8) Moisture: 13% max. 
9) Ash: 13% max. 

Rheological properties (1ppb in seawater, dial reading):
1) 600rpm: not less than 75
2) 300rpm: not less than 55
3) 200rpm: not less than 45
4) 100rpm: not less than 35
5) 6rpm: not less than 15
6) 3rpm: not less than 12.5

Storage:
Stored in the original drums or bags under the conditions of dry and below 25°C,
a shelf life of at least 15 months will be achieved.

Packing:
Kraft paper bags with PE liner inside
25kg/multi-ply paper bag and PE woven bag

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Qingdao Great Chemical Inc. [CN]

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