Thermosetting Polyester Powder Coating
We are a manufacturer based in China. We specialize in providing high-quality Thermosetting Polyester Powder Coating for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Application industries, powder Coating Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
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 |
|---|---|
| 160~190℃ | 10~25 min |
Powder Properties
| Test Item | Test Method | Technical Specification |
|---|---|---|
| Appearance | Visual Inspection | Uniform powder appearance, no agglomeration or impurities |
| Density (g/cm³) | GB/T 4472 | 1.40~1.80 |
| 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 μm ≤ 3.0 250 μm ≤ 0.2 |
Coating Performance
| Test Item | Test Method | Technical Specification |
|---|---|---|
| Appearance | Visual Inspection | Smooth surface, no particles, agglomeration, or pinholes |
| Coating Thickness (μm) | GB/T 1764 | 50~80 |
| Gloss (60°) (%) | GB/T 9754 | 10~95. negotiable |
| Impact Resistance (kg·cm) | GB/T 1732 | ≥ 50 |
| Flexibility (mm) | GB/T 6742 | ≤ 2 |
| Pencil Hardness | GB/T 6739 | 1~2H |
| 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.
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