Copolymer of phosphono and carboxylic acid (POCA)

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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.

Specification

Items	Index
Appearance	Colorless or light yellow liquid
Solid content ％	30.0MIN	38.5-42.5	50.0MIN
Total phosphor (PO43-) %	2.0MIN	2.5MIN	2.5MIN
Density（20℃）g/cm3 ≥	1.10MIN	1.15MIN	1.20MIN
PH（1% water solution）	2.0 - 3.0	3.5 - 4.5	3.5 - 4.5

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:

Normally in 25kg or 200kg net Plastic Drum , or packed as customers’ request , Storage for ten months in room shady and dry place.

Safety Protection:

Acidity , acid contact with eye and skin , once contacted , flush with water.