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Phosphino Carboxylic Acid Polymer (PCA, POCA)

Phosphino Carboxylic Acid Polymer

Phosphino Carboxylic Acid Polymer (PCA, POCA)
Phosphino Carboxylic Acid Polymer (PCA, POCA) Phosphino Carboxylic Acid Polymer (PCA, POCA) Phosphino Carboxylic Acid Polymer (PCA, POCA) Phosphino Carboxylic Acid Polymer (PCA, POCA)
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Ⅱ class CAS No. : 71050-62-9

Properties:
Through the introduction of phosphonic group into carboxylic group, PCA has good dispersion property for scale of calcium carbonate and calcium phosphate in circulating cooling water system. It has good scale inhibition for barium sulfate, strontium sulfate and silica scale. PCA has advantages in wide range of water quality, including good chemical stability, strong chlorine tolerance, etc. PCA can be used as scale and corrosion inhibitor in circulating cooling water system and oilfield reinjection water system.
Ⅱ class product performance is equivalent to BWA Belsperse 164 .

Specification:
Items Index
Ⅰ Ⅱ
Appearance Colorless or light yellow liquid
Solid content % 30.0 min 37.5-42.5
Total phosphor (as PO43-)% 7.0 min 0.8 min
Density (20℃ )g/cm3 1.10 min 1.20 min
pH(1% water solution) 2.0-3.0 3.5-4.5(stock solution)
Customization is also available.

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.

Package and Storage:
200L plastic drum, IBC (1000L), or as customers’ requirement. Storage for ten months in shady room and dry place.

Safety Protection:
It is weak acid. Avoid contact with eye and skin. In case of contact, rinse with plenty of clean water.

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