Pre-film agent (V406)

Pre-coating agent for metal equipment and pipelines in the circulating cooling water system. This product can form a dense chemical precipitate film on clean metal surfaces to protect metal equipment from corrosion. This product is also a corrosion inhibitor (equivalent to S-204) and can be used during normal operation of circulating water, with a dosage concentration of 10-20 mg/L. When used as a pre-coating agent, the dosage concentration is 250-300 mg/L.

Classification:

Circulating water aid agent

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Product Details

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. This product is also a corrosion inhibitor (equivalent to S-204) and can be used during normal operation of circulating water, with a dosage concentration of 10-20 mg/L. As a pre-coating agent, the dosage concentration is 250-300 mg/L.

Quality Indicators

Appearance	White powdery solid
pH value (1% aqueous solution)	3.5±1.0
Total phosphorus (as P O %)	>20.0
Solubility (g/100ml)	≥10

Usage Method

　　When the circulating water system is at a safe low water level, control the pH between 5.5 and 6.5, and add this product at 300-400 mg/L. Pre-coating at room temperature for 48 hours, and for water temperatures above 40℃, pre-coating for 30 hours.

Packaging and Storage

　　◎25kg plastic-lined woven bag

　　◎Store in a ventilated, dry, and cool place.

　　◎Shelf life is six months

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Related R & D Team

Zhang Yuhang

Technical Director

The impact of leadership on organizations and teams is profound and lasting. A strong leader can stimulate the enthusiasm of employees, improve team cohesion, and promote the organization to achieve excellent performance. Leadership style and values will also have an important impact on the organizational culture, shaping the team's working atmosphere and value orientation.

Zhao Chenxi

Human Resources Manager

Chen Zihan

Creative Director

Li Tingting

Chief Financial Officer

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WUHAN YITAN TECHNOLOGY DEVELOPMENT CO., LTD

Telephone:+860713-5319769

Fax: 86-0713-5319719

E-mail:office@whyttech.com

Postal Code: 438400

Address: New Industrial Park, Hong'an County Economic Development Zone, Hubei Province, China

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