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Qingdao Great Chemical Inc.
[China]

Address:
5F/A Everbright Financial Center N0.67 West Hongkong Road Qingdao Shandong 266071 China

Phone:
86-532-83865486

Contact name:
Alex Ren

Qingdao Great Chemical Inc.

Drilling Products

	Partially Hydrolyzed Polyacrylamide (PHPA)

Partially Hydrolyzed Polyacrylamide (PHPA)

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PHPA is a high molecular weight polymer with a moderate anionic charge for drilling
mud additive. It can be used in both industrial and oil field drilling application
and it is usable in both fresh water and brines. It can be used in high temperature.

Applications:
1) Shale stabilization
2) Viscosifier
3) Friction reduction
4) Fluid loss control
5) Lubrication

Specifications:
1) Appearance: off white powder
2) Degree of charge: 15 - 45%
3) Molecular weight: 5 - 20
4) Solid content: 89% min.

To obtain homogeneous solution, efficient dispersion is necessary. The most convenient
method of dispersing these products is with a polymer eductor or a commercially
available dry powder feeder unit. Solution should be made up at 0.1 - 0.3%
solid. Make-up water temperature should be between 10 and 40°C for optimum
product performance. Following dispersion into agitated water, stirring should
continue for about an hour to ensure complete dissolution. Stirring maybe carried
out by propeller type stirrer with a speed of 200 - 500rpm. It is recommended
to have both a stock make-up tank and a solution holding tank for dosage into the
system. The above recommended anionic solution concentration are stable for up
to one week. Aluminum, zinc, copper, or iron should be avoided in make-up system.

Packing:
25kg/compounded or multi-wall bag or according to customers' requirements