Compound dedicated corrosion inhibition,Cleaning and Pretreatment Filming Agent

DT-403 Cleaning and Pretreatment Filming Agent



DT-403 is a cleaning pre-filming agent with chelating, cleaning, dispersion, such as the role of the pharmaceutical compound film formed, DT-403 has the dual role of cleaning and pretreatment filming. in the application process,it has the advantage of fast cleaning speed, effective cleaning, fast film, film compact and uniform, low corrosion rate.DT-403-type pre-filming agent non-stop neutral cleaning can be adaptable to various water quality, has no  iron, copper and other harmful ions′ interference .It is suitable for cleaning pre-film in the circulating cooling water system, in particular circulation water system non-stop pre-cleaning film.





Amber liquid

Solid content% ≥


Total phosphorus content (as PO 4 3 -)% ≥


Density (20 ℃) g / cm 3

1.25 ± 0.1

pH (1% solution)

2.0 ± 1.0

Using method

The adding agent concentration of DT-403 is 150mg/L or more.
Package and Storage
DT-403 packed with plastic drum, 25kg/drum, or according to user′s needs. Store in cool place, storage for 12 months.
Safety Protection
DT-403 is a weak acid, attention to labor protection, avoid contacting with eyes and skin ,once contacted,flush with water.