Pre-coating agent (Q206)

Pre-coating agent for metal equipment and pipelines in the circulating cooling water system. This product can form a dense chemical precipitation film on clean metal surfaces to protect metal equipment from corrosion. This product is also a corrosion inhibitor and can be used during normal operation of circulating water, with a dosage concentration of 10~20mg/L. When used as a pre-coating agent, the dosage concentration is 300~500mg/L.

Classification:

Product Description

1. Performance and Applications

  Pre-coating agent for metal equipment and pipelines in circulating cooling water systems. This product can form a dense chemical precipitation film on clean metal surfaces to protect metal equipment from corrosion. It is also a corrosion inhibitor that can be used during normal operation of circulating water, with a dosage concentration of 10~20mg/L. When used as a pre-coating agent, the dosage concentration is 300~500mg/L.

 

2. Quality Indicators

Indicator Name

Indicator Requirements

Appearance

White powdery solid

Total Phosphorus (as PO3-calculated in %)

>20.0

Solubility (g/100mL)

>=10.0

 

3. Usage Method

  When the circulating water system is at a safe low water level, add this product at 300~500mg/L, controlling pH between 5.5~7.0.

 

si, Packaging and Storage

  Packed in 25kg plastic-coated woven bags. Store in a ventilated, dry, and cool place. Storage period is 6 months.

Cleaning, Pre-filming

metal

water

circulating

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