Pretreatment filming agent

Performance

This product is a mixture composed of zinc salt, and its aqueous solution can form a layer of corrosion film on the surface of carbon steel in a short time, which is generally used as a pre-film of circulating cooling water.

Purpose

It is suitable for carbon steel and stainless steel heat exchangers in circulating cooling water system and for pre-coating of oil pipeline.

Quality indicators

(A) Appearance: a colorless and transparent liquid

(B) Zinc content (measured in Zn): 10.0%

Packaging and purchasing

This product is packaged with 25kg plastic woven bag with plastic inner bag. Store in the indoor ventilated and dry place, and the storage period is one year.