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Test Item		Standard
		PAC-LV	PAC-HV
Appearance		Freely flowable powder	Freely flowable powder
PH		6.0-8.0	6.0-8.0
Purity %		≥95%	≥95%
Moisture %		≤10%	≤10%
D.S		≥0.90	≥0.90
Viscosity Brookfield 1%		≤50	≥1500
API Fluid Lose	Increase 0.57%	≤25.0 ml	≤20.0ml
	Increase 0.86%	≤15.0 ml	≤15.0ml
	Increase 1.14%	≤10.0 ml	≤10.0ml
YP Value	Increase 0.57%	≤0.5	≥2.4
	Increase 0.86%	≤1.0	≥9.6
	Increase 1.14%	≤1.5	≥19.2

PAC-HV is for water-based drilling fluids, which can effectively reduces the filtration rate of many water-based oil and gas drilling fluids and may also be used to increase and stabilize viscosity to improve hole cleaning and suspension properties in a wide variety of fluid environment.

PAC- s for use in solids-laden, water-based drilling fluids, which can effectively reduces the filtration rate of many water-based drilling fluids, without causing significant increases in viscosity or gel strength.

PAC R is a cost-effective additive to reduce API filtration rate of many water based drilling fluids including freshwater, seawater, saturated saltwater and solids-free brines, native mud, flocculated mud, inhibited mud and contaminated systems. PAC R increases and stabilizes viscosity to improve rheology, wellhole cleaning and suspension property by coating and encapsulating cuttings and solids of drilling fluids. PAC R is effective over a wide range of pH environments. It lubricates solids in the system, improve wallcake characteristics and reduces the potential for stuck pipe.