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Copolymer of Phosphono and carboxylic Acid (POCA)
Copolymer of phono and carboxylic acid (POCA)
1,Properties:
Through the introduction of phosphonic group into carboxylic group , POCA has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cool water system . It has good scale inhibition for barium sulfate , strontium sulfate and silica scale . POCA has advantages in wide range of water quality , chemical stability , strong chlorine tolerance , etc. POCA can be used as scale and corrosion inhibitor in circulating cool water system and oilfield refill water system.
2,Specification
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items |
index |
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Appearance |
Colorless or light yellow liquid |
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Solid content % |
50.0 |
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Total phosphor (as PO43-)% |
2.5 |
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Density (20℃)g/cm3 |
1.20 |
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pH(1% water solution) |
3.5-4.5 |
3,Usage:
When used alone , the dosage of 5-20mg/L is preferred. It can also be used together with organophosphines , copolymer , zinc salt or BTA.
4,Package and Storage:
Normally in 25kg or 200kg net Plastic Drum , or packed as customers’ request , Storage for ten months in room shady and dry place.
5,Safety Protection:
Acidity , acid contact with eye and skin , once contacted , flush with water.
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