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1.Usage:
PAC is a kind of inorganic macromolecule flocculant. Through the hydroxyl ion bridging function and the polyvalent anion polymeric function, it produces large molecular and high electricity inorganic macromolecule. It adapts a wide pH range of 5.0~9.0, and the best is between 6.5~7.6.
1) Purification of river water, lake water and underground water
2) Purification of industry water and industry recycling water.
3) Purification of waster water
4) Reclaiming coal from coal-washing waste water and kaolin in ceramic industry
5) Purification of the waste water in printing and dyeing industry, leather industry, brewage industry, meat-processing industry, coal-washing, metallurgy industry, mine, pharmacy, paper-making, and purification of the waste water containing fluorine, oil and heavy metals
6) Tannage and cloth cockling-prevent
7) Cement Solidifying, and moulding
8) Refining of pharmaceuticals, glycerine and sugar
9) Catalyzer carrier
10) Paper-making glue
2.Properties
1.PAC (Polyanionic Cellulose) is a kind of nonionic cellulose ether featured the properties of high purity, high DS, particularly high viscosity or low viscosity. These products are demi-natural polymer additive, thickening agent, filtrate reducer.
2.PAC is an indispensable product for drilling mud making. PAC is high purity product; the water solution of this white powder is transparent and viscid. As water-soluble polymer, it dissolves immediately in cold/hot water and can be used as a thickening agent, rheology controller, bond, stabilizer, colloid protector, suspending agent, and filtrate reducer.
3.PAC is a good drilling mud additive and also an important material for confecting well liquid, a high mud volume product that featured high acid-resistance and salt-resistance ability. It is a good filtrate reducer with the capacity of increasing viscosity and anti-high temperature (150°C) in the freshwater, seawater, or even saturated brine well-completion liquid. It is suitable for confecting the completion fluid with these 3 kinds of water above.
3.Application & Features
1. 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.
2. PAC-LV is 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.
3. 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.
4. PAC R increases and stabilizes viscosity to improve rheology, wellhole cleaning and suspension property by coating and encapsulating cuttings and solids of drilling fluids.
5. 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.
6.Petroleum grade Product features:
a, high degree of substitution, good uniformity of substitution .
b, high transparency, viscosity and water loss can be controlled .
c, suitable for fresh water, sea water, saturated brine slurry .
d, stabilize soft soil structure, prevent collapse of wall of a well .
e, can improve mud-making volum, reduce filteration loss .
f, has excellent performance in drilling of oil .
SPECIFICATIONS:
| INDIS | LIQUID | SOLD |
| Aluminium oxide(Al2O3)% max | 10-13 | 30 |
| Basicity% | 75-90 | 75-90 |
| PH(1% AQUEOUS SOLUTION) | 3.5-5.0 | 3.5-5.0 |
| Water insoluble% min | 1.0 | 1.0 |



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