Pure Polyester Powder Coating

Pure Polyester Resin Powder Coating (TGIC & HAA/Primid)

Product Performance

Outdoor Powder Coating Is A Kind Of Weather-Resistant Powder Coating Produced Through Strict Process And Inspection Control. The Coating Film Has A 5-20 Year Gloss And Color Integrity Guarantee. It Is Mainly Used In Exterior Appliance.
Density 1.2-1.8 G/cm³
Film Film Thickness :40u~150um , Best Recommendation Is 40um~80um
Utilization Rate Average Coverage : 10~12 Square Meter/KG ,With 60um (100% Use Rate)
Curing Condition 160°C/10min;180°C/10min ;180°C/15min;190°C/15min ;200°C/10min; Or Customized According To Requirements
Method Corona Electrostatic Spraying ,Electrostatic-Fluidized Bed, Fluidized Beds,Tribo Charging Guns
Applicaiton Mainly Used For Outdoor Units Of Air Conditioners, Park Appliances, Lamp Posts, Outdoor Furniture, Lawn Mowers, Agricultural Machinery, Etc. It Has The Function Of Decoration And Outdoor Weather Resistance.
Transportation Two Layers Of Polyvinyl Chloride Plastic Bags In Carton Package, 20 /25kg Per Carton. Non-Dangerous Goods Can Be Transported In Various Ways, But Avoild From Direct Sunlight, Moisture And Heat, And Contact With Chemical Substances.
Safety Non Toxic Substances, And There Is No Toxic Gas Generated During Baking, But Avoid Inhaling Dust During Use, Operators Should Wear Dust Masks, And Minimize The Long-Term Contact Between Skin And Powder Coatings, Which Adhere To The Skin The Paint On The Surface Can Be Cleaned With Soap.

What are the advantages of using pure polyester powder coating?

What are the differences between pure polyester and epoxy powder coatings?

Epoxy Powder Coatings Pure Polyester Powder Coatings
Chemistry Epoxy powder coatings are based on epoxy resins, which are known for their excellent adhesion to metal substrates. They cure through a chemical reaction involving amines or acid anhydrides, forming a hard and rigid film. Pure polyester powder coatings are based on polyester resins. They cure through a chemical reaction involving a polyester cross-linker and heat, producing a tough and flexible film.
Adhesion Epoxy coatings offer exceptional adhesion to a wide range of substrates, including metals and certain plastics. They are often used as a primer coat for improved adhesion with subsequent topcoats. Pure polyester coatings also provide good adhesion, especially to metal surfaces, but they may not adhere as strongly to some plastics as epoxy coatings do.
Chemical Resistance Epoxy coatings are highly resistant to chemical exposure, making them suitable for applications where protection against corrosive substances is critical. Pure polyester coatings offer good chemical resistance but may not be as resistant as epoxy coatings to certain chemicals and solvents.
Flexibility Epoxy coatings tend to be more rigid and less flexible compared to pure polyester coatings. They can be susceptible to chipping or cracking under mechanical stress. Pure polyester coatings are known for their flexibility and elasticity, making them better suited for applications where the coated surface may experience bending or flexing.
UV Resistance Epoxy coatings are less resistant to UV radiation and may experience color fading and degradation when exposed to sunlight for extended periods. Pure polyester coatings offer excellent UV resistance and are often used in outdoor applications where color retention is crucial.
Outdoor Durability Epoxy coatings are primarily used for indoor applications due to their limited UV resistance and lower outdoor durability. Pure polyester coatings are well-suited for outdoor applications, thanks to their superior UV resistance and weatherability.
Appearance Epoxy coatings typically have a smoother, glossy finish. Pure polyester coatings can provide a range of finishes, including matte, semi-gloss, and gloss, as well as textured and metallic effects.

What industries commonly use pure polyester powder coating?

Are there any limitations or considerations when using pure polyester powder coating?

Limited Chemical Resistance: Pure polyester coatings provide good chemical resistance, but they may not be suitable for environments where exposure to highly aggressive chemicals or solvents is a concern. In such cases, epoxy or other specialized coatings may be more appropriate. Lower Hardness: Pure polyester coatings are generally not as hard as some other types of powder coatings, such as epoxy or polyurethane. This can make them more susceptible to surface damage, such as scratching or chipping, in applications where abrasion resistance is critical.
Not Suitable for High-Temperature Applications: Pure polyester coatings have a lower heat resistance compared to some other powder coating types. They are typically not recommended for use in applications where sustained high temperatures are expected. Limited Adhesion to Some Plastics: While pure polyester coatings exhibit good adhesion to metal substrates, their adhesion to certain types of plastics may be limited. Proper surface preparation and adhesion promoters may be required for plastic substrates.
UV Resistance Variability: While pure polyester coatings are generally UV resistant, the exact level of resistance can vary depending on the specific formulation and quality of the coating. It's important to choose a high-quality coating for outdoor applications requiring extended UV exposure. Complex Curved Surfaces: Pure polyester powder coatings may not flow well over complex curved surfaces. In such cases, it may be challenging to achieve an even and uniform coating thickness, potentially leading to appearance issues
Color Matching: Achieving precise color matching with pure polyester coatings can sometimes be challenging. Variations in color can occur due to differences in application methods, substrate types, and curing conditions. Maintenance: While pure polyester coatings are generally easy to maintain, they may require periodic cleaning and maintenance to preserve their appearance, especially in outdoor applications subject to environmental pollutants.
Environmental Regulations: Ensure compliance with local environmental regulations when using powder coatings, as the curing process typically involves the release of heat, which may require proper ventilation and emission controls. Surface Preparation: Proper surface preparation, including cleaning and pretreatment, is essential to ensure good adhesion and coating performance. Inadequate surface preparation can lead to adhesion problems and premature coating failure.
Film Thickness: Over-application or under-application of powder coating can lead to quality issues. It's crucial to follow the manufacturer's recommendations for film thickness to achieve the desired performance and appearance. Cost: While powder coatings can be cost-effective in the long run due to their durability and efficiency, the initial setup and equipment costs for powder coating application can be relatively high compared to other finishing methods.

FAQs About Pure Polyester Powder Coating

Pure polyester powder coating works by applying dry powder to a substrate, then heating it to melt and cure, forming a durable and protective film.

Yes, pure polyester powder coatings are suitable for outdoor use due to their excellent UV resistance and weatherability.

Pure polyester powder coating is applied using electrostatic spray equipment or fluidized bed coating. The coated part is then heated to melt and cure the powder.

Typical curing temperatures for pure polyester powder coatings range from 300°F to 400°F (150°C to 200°C), and curing times vary from 10 to 30 minutes, depending on the formulation.

Yes, pure polyester powder coatings offer a wide range of color options, including matte, gloss, metallic, and textured finishes.

While they are primarily used on metal, some pure polyester coatings can adhere to certain plastics and wood with proper surface preparation.

Yes, pure polyester powder coatings can be customized for specific applications by adjusting the formulation to meet specific performance requirements.

Surfaces coated with pure polyester powder coating can have a long lifespan, often exceeding 10 years, depending on the application, environmental conditions, and maintenance practices.

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