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Durable polyester powder coatings

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Durable polyester powder coatings Specification

Chemical Name
Durable Polyester Powder Coating

CAS No
None (Mixture of resins, pigments, additives)

Type
Thermosetting Powder Coating

Standard
ISO 8130 / ASTM D3451 / ROHS Compliant

Grade
Industrial / Architectural

Usage
Metal Surfaces, Indoor & Outdoor Equipment, Machinery, Furniture

Appearance
Smooth, Glossy or Matte Finish, Available in Multiple Colors

Physical Form
Fine Powder

Pack Size
20 kg, 25 kg, or customized as per requirement

Pack Type
Sealed Polybags or Fiber Drums

Weatherability
Good UV & Outdoor Durability

Custom Color Matching
Available upon request

Toxicity
Lead-free, Non-toxic formulation

Application Method
Electrostatic Spray or Fluidized Bed

Adhesion
Excellent (Cross Cut: GT 0/1)

Impact Resistance
50 kgcm (Direct and Reverse)

Shelf Life
12 Months at 25C and low humidity

Gloss Level
High gloss, Semi-gloss, Matte Options

Film Thickness
60-80 m Recommended

Curing Temperature
160C to 200C (Depending on Product Specification)

Durable polyester powder coatings About

Product Description

MT Autobody powder coating is a series of durable polyester powder coatings designed for application onto automotive components. It has been designed to display excellent protective properties including corrosion, humidity, chip resistance, acid spotting and resistance to weathering over suitably pre-treated substrates.

Powder Properties

Chemical type	TGIC-free Polyester
Particle size	Suitable for electrostatic spray
Specific gravity	1.2 1.7 depending on colours
Storage	Dry cool conditions (below 30C)
Shelf Life	12 months
Stoving Schedule	10 mins at 200C

Mechanical Tests

Flexibility	(Bend Test) AS1580 402.1	Pass 3mm
Adhesion	(2mm Crosshatch) AS1580 408.4	Classification 1 maximum
Erichsen Cupping	BS3900-E4	Pass > 3mm
Pencil Hardness	AS1580 405.1	1F minimum
Reverse Impact	AS3715 Section 2.5.8	Pass <=20InP

Pre-treatment

For optimum coating performance the following pre-treatment is recommended prior to the application of MT Autobody. The pre-treatment should be used in accordance with the suppliers recommendations.

A. Aluminium: Multistage chrome chromate or chrome phosphate.

B. Galvanised Steel: Multistage zinc phosphate or chromate.

C. Steel: Grit blast to SA 2.5. 20-40m blast profile, followed by multistage zinc or iron phosphate.

Application

MT Autobody powder coatings can be applied by manual or automatic electrostatic spray equipment. Unused or over-sprayed powder coating can be reclaimed and recycled through the coating system.

Versatile Protection and Aesthetic Options

These durable polyester powder coatings are formulated for both industrial and architectural applications. They deliver excellent adhesion, high impact resistance, and maintain their appearance under outdoor conditions thanks to good UV and weather resistance. Available in a range of colors and finishes, users can choose from high gloss, semi-gloss, or matte to match any design or functionality requirement.

User-Friendly Application Process

The powder coatings can be conveniently applied to metal surfaces using electrostatic spray or fluidized bed methods. Recommended film thickness is 60-80 m for optimal results. With a curing temperature of 160C to 200C (dependent on product specification), these coatings ensure reliable curing and uniform finishes across various equipment and furniture.

Safe and Compliant Formulation

Manufactured with a lead-free, non-toxic mixture of resins, pigments, and additives, these powder coatings meet international standards such as ISO 8130, ASTM D3451, and ROHS compliance. The coatings offer a shelf life of up to 12 months when stored at 25C in low humidity, ensuring long-term usability and consistent quality.

FAQ's of Durable polyester powder coatings:

Q: How is the durable polyester powder coating applied to metal surfaces?

A: The coating is applied using electrostatic spray or fluidized bed processes, allowing for a uniform and efficient coverage on metal surfaces. These methods are suitable for both industrial machinery and architectural equipment.

Q: What are the recommended curing conditions for this powder coating?

A: Curing should be conducted at temperatures ranging between 160C and 200C, depending on the specific product variant. Proper curing ensures optimal film formation and mechanical properties.

Q: When is it advantageous to use this powder coating over liquid paint?

A: This powder coating is ideal when a durable, environmentally friendly, and long-lasting finish is required. It provides better adhesion, chemical resistance, UV durability, and impact resistance compared to standard liquid paints.

Q: Where can these powder coatings be used?

A: They are suitable for a variety of metal products including indoor and outdoor equipment, machinery, and furniture in both industrial and architectural contexts.

Q: What benefits does the non-toxic, lead-free formulation provide?

A: The lead-free, non-toxic formulation ensures safety for users and the environment, and meets ROHS standards for restricted substances, making it ideal for applications demanding strict health compliance.

Q: How can I request custom color matching for this powder coating?

A: Custom color matching can be arranged upon request. This service ensures that the coating meets the exact aesthetic or branding requirements of your project.

Q: What is the expected shelf life and storage condition for this product?

A: The powder coating retains its properties for up to 12 months when stored at 25C in low humidity. It is supplied in sealed polybags or fiber drums to maintain its quality during storage.

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