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TH-707 Pretreatment Filming Agent


TH-707 is composed of chelating agent, dispersant, pretreatment filming and surfactant. The chelating agent can chemically adsorb ferric and calcium, forming a hard film on metal surface. It has the advantages of quick filming, film homogeneization, chemical stable and low corrosion ratio. It can be used as pretreatment filming agent for equipment and pipeline of new system or after heavy repair. TH-707 is not affected by copper and ferric ions in water system.


Items Index
Appearance Umber transparent liquid
Solid content,% 20.0 min
Density(20℃) , g/cm3 1.250.1
pH,(1%water solution) 2.01.0


The dosage of 200-500mg/L is preferred. Pretreatment filming time for cold state is 48-72 hours, and for heat state is 24-48 hours.

Package and Storage:

200L plastic drum,IBC(1000L),customers’ requirement. Storage for one year in shady room and dry place.

Safety Protection:

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

Related Products:   TH-707 Pretreatment Filming Agent
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