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Current Position: BK-707 Pretreatment Filming Agent

 Pretreatment Filming Agent



Properties and Usage:

BK-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. BK-707 is not affected by copper and ferricions in water system.



Items Index
Appearance Amber transparent liquid
Solid content,% 40.0 min
pH,(1%water solution) 2.0±1.0
Density(20℃), g/cm3 1.25±0.1




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:

25kg barrel or confirmed by clients. Storage for one year in room shady and dry place.

Safety Protection:

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

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