Electrostatic powder coating not only offers high durability but also helps save costs and protect the environment. Below is an overview of its composition and operating principle:

Composition of Electrostatic Powder Coating

• Polymer Resin: The main component providing adhesion and durability.

• Pigments: Determines the color of the coating, ensuring high aesthetic value.

• Fillers: Increases hardness, mechanical strength, and controls gloss level.

• Additives: Enhances coating properties such as UV resistance and oxidation protection.

Operating Principle of Electrostatic Powder Coating

Electrostatic powder coating operates based on high-voltage electrostatic fields and involves the following steps:

Charging the Powder Coating

• Powder is sprayed from the spray gun, carrying a positive charge (+).

• As it exits the gun, the powder particles become electrically charged and disperse evenly.

Adhesion to the Surface

• The product is grounded (negative charge -), allowing the powder to adhere firmly.

• Electrostatic attraction ensures an even coating without dripping or smudging.

Curing & Hardening

• After coating, the product is placed in an oven at 180-200°C.

• The heat melts the powder, forming a strong, durable protective layer.

Electrostatic Powder Coating Process at Cơ Khí Trường Thịnh

Our electrostatic powder coating service ensures durable, uniform coatings with excellent corrosion resistance. The process includes four main steps for long-lasting quality:

Step 1: Surface Preparation

Before applying the coating, the surface must be treated properly to ensure adhesion. Contaminants such as grease, rust, and dust are removed through specialized chemical baths, including:

• Degreasing bath – Removes oil residues.

• Rust removal bath – Cleans oxidation layers.

• Water rinse bath – Washes the material.

• Surface conditioning bath – Improves adhesion.

• Phosphating bath – Strengthens durability.

• Passivation bath – Protects against corrosion.

After surface treatment, the product is dried at 120°C for 10-15 minutes to remove moisture and prevent coating defects.

Step 2: Electrostatic Powder Coating Application

Our electrostatic powder coating service utilizes spray technology in a closed chamber to minimize material waste and effectively recycle excess powder. We offer two common types of spray booths:

• Single Spray Booth: Suitable for small products, using a handheld spray gun.

• Dual Spray Booth: Ideal for large items, allowing simultaneous spraying from both sides.

Before spraying, compressed air removes dust from the surface. The spray gun is held perpendicular to the material at a standard distance of 10-25 cm, depending on whether the process is manual or automated.

Read more: Electrostatic Powder Coating Production Line - Complete Process

Trusted Electrostatic Powder Coating Service - Cơ Khí Trường Thịnh

At Cơ Khí Trường Thịnh, we specialize in high-quality electrostatic powder coating solutions, ensuring durable, corrosion-resistant, and aesthetically superior finishes.

• Our products undergo strict surface treatment, resulting in a smooth, glossy, highly adhesive, and colorfast coating.

• We invest in advanced machinery and technology, meeting production standards for various industries, household appliances, and mechanical components.

• Our skilled technicians guarantee precise execution for the best results.

• We offer competitive pricing and expert consultation to help customers choose the best solutions.

Conclusion

Electrostatic powder coating at Cơ Khí Trường Thịnh guarantees superior quality, providing long-lasting, oxidation-resistant, and visually appealing products. With a professional team, modern equipment, and competitive pricing, we remain the top choice for customers in Hanoi and surrounding areas.

Contact Us:

• Hotline: Mr. Hưng: 0936.988.978 - Mrs. Tâm: 0904.488.455 - 0225.627.79.97

• Factory Address: Khu C, No. 57, Km5, Lâm Sản, P. Sở Dầu, Q. Hồng Bàng, Vietnam

• Website: www.cokhiphutrotruongthinh.com