Thermosetting Polyester Powder Coating

Thermosetting Polyester Powder Coating About

1. Product Overview

Outdoor powder coating is composed of saturated polyester resin and corresponding curing agents. The cured coating film features high gloss, excellent mechanical properties, strong adhesion, good chemical resistance, and outstanding weather resistance.

This type of powder coating is easy to apply and, thanks to its excellent weather resistance, is widely used for various outdoor products requiring long-term weather durability.

2. Main Technical Specifications

Curing Conditions

Curing Temperature	Curing Time
160190	1025 min

Powder Properties

Test Item	Test Method	Technical Specification
Appearance	Visual Inspection	Uniform powder appearance, no agglomeration or impurities
Density (g/cm)	GB/T 4472	1.401.80
Non-volatile Content (%)	GB/T 6554	99.4%
Residue on Sieve (%) (120 mesh)	GB/T 1715	0
Particle Size and Distribution (%)	ISO 8310-13	150 m 3.0 250 m 0.2

Coating Performance

Test Item	Test Method	Technical Specification
Appearance	Visual Inspection	Smooth surface, no particles, agglomeration, or pinholes
Coating Thickness (m)	GB/T 1764	5080
Gloss (60) (%)	GB/T 9754	1095. negotiable
Impact Resistance (kgcm)	GB/T 1732	50
Flexibility (mm)	GB/T 6742	2
Pencil Hardness	GB/T 6739	12H
Cupping Test (mm)	GB/T 9753	7
Adhesion (Cross-cut Method) (Grade)	GB/T 9286	0
Acid Resistance (3% HCl)	GB/T 9274	240h, no abnormality
Alkali Resistance (5% NaOH)	GB/T 9274	168h, no abnormality
Neutral Salt Spray Resistance	GB/T 1771	500h, no abnormality
Humidity and Heat Resistance	GB/T 1740	500h, no abnormality

Surface Pretreatment

Recommended pretreatment methods:

Cleaning and phosphating treatment

Ceramic conversion treatment

Application Method

This product is suitable for:

High-voltage electrostatic spraying

3. Application Range

Suitable for various outdoor products requiring weather resistance, including:

Outdoor fitness and sports equipment

Aluminum profiles

Highway guardrails

Automotive components

Wheel hub primer coating

Solar water heaters

Radiators

Garden and landscaping equipment

Bicycles

High-end lighting fixtures

Outdoor fences

Outdoor air conditioner housings

Agricultural machinery

Other outdoor applications

4. Safety and Hygiene

This product is non-toxic, environmentally friendly, and non-flammable. However, appropriate protective measures should be taken to prevent excessive inhalation during construction and application.

5. Packaging, Storage and Transportation

The product is packed in cardboard cartons with polyethylene inner bags.

Net weight: 25 kg per package.

Store in a dry, ventilated, and clean environment below 30 for up to 12 months. Keep away from fire sources and heating equipment.

After opening, any unused powder must be resealed properly to prevent moisture absorption from the air.

Protect from direct sunlight and rain. When the ambient temperature exceeds 35, appropriate insulation measures should be taken during storage and transportation.

Wide Range of Color and Finish Options

This polyester powder coating comes in a multitude of shades, from bold reds and oranges to subtle blues and pinks, ensuring ample design flexibility. Customers can also choose from matt, semi-gloss, or glossy finishes and between smooth or textured surfaces, allowing tailored aesthetics for every application.


Robust Durability & Weather Resistance

Designed to withstand challenging environmental conditions, this coating boasts excellent moisture and salt spray resistance for 500-1000 hours (ASTM B117). It maintains strong adhesion on metals and delivers high impact strength (>50 kg.cm), making it ideal for demanding industrial environments.


Safe, Eco-friendly, and Long-lasting

This powder coating is non-toxic and lead-free, providing a safe solution for industrial applications. With a shelf life of 12 months under proper storage (below 30C in cool, dry places), it ensures enduring performance while supporting sustainable and responsible usage.