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Powder Coating

Achieve long-lasting, even coatings with powder coating services that enhance both durability and aesthetics. Available in a wide spectrum of colors, this process protects surfaces from corrosion, wear, and environmental damage while providing a sleek, professional finish suitable for prototypes, production parts, and custom metal components.

Powder Coating Application
Powder Coating Process

What is Powder Coating?

Powder coating is a high-performance finishing technique where a dry powder is applied to a metal surface and cured under heat to create a protective layer. Our powder coating service delivers excellent resistance to corrosion, abrasion, and fading, offering a wide variety of colors and textures. It’s an ideal choice for both functional and decorative metal parts across automotive, industrial, and consumer applications.

Tolerance Table for Powder Coating

Parameter Specification
Coating Thickness 50 – 150 µm (0.05 – 0.15 mm)
Dimensional Tolerance Change Add ±0.05 – 0.15 mm per coated side
Flatness Deviation Up to ±0.2 mm per 300 mm
Masked Hole Tolerance ±0.1 mm
Surface Finish (Gloss Level) 10 – 90+ gloss units
Color Consistency (ΔE) ≤ 1.0

Powder Coating for Durable and Reliable Surface Protection

We offer powder coating services that deliver a robust, aesthetically pleasing, and corrosion-resistant finish for metal components. The powder is electrostatically charged and then heated to form a smooth, long-lasting coating. Available in multiple colors and textures, it’s perfect for both functional and decorative uses. We guarantee even coverage and lasting performance for every project.

Finished Powder Coated Part

Materials for CNC Machining Service Parts

Engineers and leading manufacturers trust Yicen Precision for fast iterations and durable, high-performance parts. Whether for prototyping or full-scale production, our extensive material selection ensures precision, strength, and reliability for any CNC machining project.

5052 H32 Aluminum
6061 T6 Aluminum
7075 T6 Aluminum
MIC6 Aluminum

AR400 & AR500 Steel
4140 + 4130 Chrome-moly Steel
A36 Steel
Hot Rolled Steel
Tool Steel

304 Stainless Steel
316 Stainless Steel

Surface Finishing for Powder Coating

At Yicen Precision, our powder coating process delivers a durable, high-quality finish that enhances corrosion resistance and aesthetics for a wide range of metal parts.

Deburring
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Removes sharp edges and burrs created during cutting to improve safety and provide a clean, finished look.

Bead Blasting
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 Uses high-pressure blasting with fine media to create a smooth, matte surface. Ideal for achieving a uniform finish and removing minor imperfections.

Chemical Cleaning (Pickling)
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Removes oxidation, scale, and surface contaminants to restore and prepare metal surfaces after cutting.

Brushing
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 Applies a uniform, subtle texture using abrasive brushes for an attractive and tactile surface.

Polishing
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Mechanically smooths surfaces to achieve a high-gloss, reflective finish—ideal for decorative or consumer-facing parts.

Tumbling
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Smooths and rounds edges of small parts by vibrating them with abrasive media, improving finish and handling safety.

Powder Coating
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Applies a durable, protective coating that improves corrosion resistance and allows for various color options. Perfect for functional and aesthetic applications.

Anodizing
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 Adds a corrosion-resistant oxide layer to aluminum parts and enables a range of color options for both protection and aesthetics.

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We specialize in converting your ideas into high-quality, functional components with unparalleled speed and accuracy. With advanced technology and expert craftsmanship, we create parts that meet the most complex specifications.

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What Technologies Are Used in Powder Coating?

Powder coating is an advanced finishing technology that uses dry powder applied electrostatically and then cured under heat to form a hard finish. The technology behind powder coating has evolved to ensure enhanced durability, aesthetics, and efficiency for a wide range of metal parts. Here’s how it works:

Electrostatic Spray Application

The most common method of applying powder coating is through an electrostatic spray process. The powder particles are electrically charged and drawn to the metal part, which is grounded. This electrostatic attraction ensures even coverage, even on intricate or complex geometries. Advanced spray equipment helps ensure uniform distribution of powder across the surface, resulting in consistent coverage.

Fluidized Bed Coating

For thicker coatings, the fluidized bed coating method is employed. In this process, metal parts are first preheated and then immersed in a powder suspended in air. This results in a thick, durable coating that is ideal for parts that require extra protection from wear and corrosion.

Curing Oven

Once the powder is applied, the part is placed in a curing oven where heat causes the powder to melt and flow, forming a strong and durable finish. The curing temperature usually falls between 160°C and 200°C, although it may vary depending on the specific type of powder applied. The curing process results in a smooth, hardened finish that’s resistant to scratching, fading, and chipping.

Challenges in Powder Coating and How They Are Solved?

Explore the challenges encountered in the powder coating process and the practical solutions that guarantee perfect finishes and long-lasting results.

Surface Preparation Challenges

Challenge: To ensure proper adhesion, the surface must be meticulously cleaned before applying powder coating. Contaminants like oils, dirt, or rust can prevent the powder from adhering, leading to poor finishes.
Solution: Pre-treatment processes, such as sandblasting or chemical cleaning, ensure the surface is free from contaminants. This step is essential for ensuring the coating bonds effectively, resulting in a durable and long-lasting finish.

Uneven Coverage on Complex Shapes

Challenge: Some parts with intricate geometries may not receive uniform coverage, leading to areas that are under-coated or missed entirely.
Solution: Advanced electrostatic spray technology ensures that powder reaches even the most complex shapes. Automated systems with rotating or vibrating tools are used to ensure uniform coverage across all surfaces.

Heat Sensitivity of Certain Materials

Challenge: Some materials may be sensitive to high curing temperatures, potentially causing warping or distortion.
Solution: For heat-sensitive materials, lower temperature curing powders can be used. These powders are specially formulated to cure at lower temperatures, minimizing the risk of material damage.

Color Consistency Issues

Challenge: Achieving consistent color on large batches can sometimes be challenging, especially for metallic or textured finishes.
Solution: Powder coating manufacturers employ precise measurement tools and automated systems to ensure color consistency across large batches. Additionally, using high-quality powders helps maintain color uniformity.

Yicen Machining Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.
CNC Milling
Rapid Prototyping

CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Yicen, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.

CNC Milling
Low Volume Manufacturing

Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Yicen, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.

CNC Milling
End-use Production

CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Yicen delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.

Insights & Articles

Explore Machining services blog for expert insights on CNC machining, industry trends, manufacturing tips, and technology updates—designed to keep you informed, inspired, and ahead in precision engineering.

Frequently Asked Questions

Powder Coating

  • Is powder coating more expensive than traditional painting?

    While the initial cost of powder coating may be higher than liquid painting, it offers significant long-term cost benefits. The durability of powder coating means that parts require less frequent re-coating, reducing maintenance costs. Additionally, the process is more efficient, and excess powder can be recycled, making it a more cost-effective solution in the long run.
     

  • What is the environmental impact of powder coating?

    Powder coating is an environmentally friendly option compared to traditional liquid painting. It produces no volatile organic compounds (VOCs) and has minimal environmental impact, as any overspray can be recycled and reused. Additionally, the powder coating process generates less waste because it uses dry powder instead of liquid paint, reducing hazardous disposal needs.
     

  • How do you prepare parts for powder coating?

    Proper preparation is essential for achieving a high-quality powder-coated finish. Parts must be thoroughly cleaned and degreased to remove any dirt, grease, or oil that could interfere with adhesion. We also sandblast or chemically etch the surface to create a rough texture that helps the powder coat bond more effectively. This process ensures a smooth, durable finish that lasts.
     

  • Can powder coating be applied to complex shapes?

    Yes, powder coating can be applied to complex shapes, but it requires careful preparation and expertise. At Yicen Precision, we have the equipment and experience to powder coat parts with intricate geometries. We use advanced spraying techniques to ensure that all surfaces, including hard-to-reach areas, receive an even coating. This ensures a consistent finish on all parts, regardless of shape or size.
     

  • How long does powder coating take to cure?

    The curing time for powder coating depends on the material, the thickness of the coating, and the curing temperature. Generally, powder coating is cured in an oven at temperatures ranging from 180°C to 200°C (350°F to 400°F) for about 10-20 minutes. The curing process ensures that the coating bonds tightly to the surface, resulting in a smooth and durable finish.
     

  • How durable is powder coating?

    Powder coating is highly durable and provides excellent protection against scratches, corrosion, fading, and chipping. It forms a strong bond with the surface, making it ideal for parts exposed to harsh environments, such as automotive components, outdoor furniture, and industrial machinery. The cured finish is resistant to chemicals, moisture, and UV rays, making it a long-lasting option for many applications.
     

  • What colors are available for powder coating?

    Powder coating offers a vast array of colors and finishes, including matte, glossy, satin, and textured options. We offer standard colors like black, white, and grey, as well as custom color matching to fit your specific needs. Whether you’re looking for a bright finish or a more subtle, industrial look, we can help you choose the right color and finish for your project.
     

  • What are the advantages of powder coating over traditional liquid paint?

    Powder coating offers several advantages over traditional liquid paint, including better durability, resistance to scratches, chips, and fading, and a more uniform finish. It also provides a thicker coating without running or sagging. Powder coating is environmentally friendly as it produces fewer volatile organic compounds (VOCs) and reduces waste due to overspray that can be recycled.
     

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