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PBTCA:1.Corrosion and scale inhibitors
2.Chelant & metal cleaner in washing industry
3.Good composite synergy.

has good dispersion effect on  high turbidity, high iron content of water quality. In strong oxidizer under the role of not easy oxidative decomposition.

PBTCA has low content of phosphoric, has structural features of both phosphoric acid and carboxylic acid group, which enable its excellent scale and corrosion inhibition properties. Its antiscale property under high temperature is far better than that of organophosphines. It can improve zinc salt solubility, has good chlorine oxidation tolerance and good composite synergy.


Specification: (HG/T 3662-2000)




Colorless or light yellow transparent liquid

Active  acid %

50.0 min

Phosphorous acid(as PO33-)

0.8% max

Phosphorous acid(as PO43-)

0.5% max

Density (20C)g/cm3

1.27 min

pH(1% solution)



PTBCA is a high efficient agent as scale and corrosion inhibitor. It is the excellent stabilizer for zinc salt. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite with zinc salt and copolymer. It can be used in situations of high temperature, high hardness, high alkali and high concentration index. In lavation fields, it is used as chelating agent and metal detergent. 
PBTCA is usually used together with zinc salt, copolymer, organophosphine, imidazole and other Water Treatment Chemicals. When used alone, the dosage of 5-15mg/L is preferred.

Package and Storage:

PBTCA liquid: Normally In 250kg or 30kg net Plastic Drum, IBC drum can also be used as required.
PBTCA solid: 25kg inner liner polyethylene (PE) bag, outer plastic woven bag,, or confirmed by clients.
Storage for ten months in room shady and dry place.

Safety Protection:
Acidity, Avoid contact with eye and skin, once contacted, flush with water.

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