Product Description
Powder coatings have advantages such as no organic solvents, environmental friendliness (compared to oil-based coatings), high material utilization, low energy consumption, and are easy to apply with low cost. They have good corrosion and weather resistance and are suitable for products and facilities with low requirements for corrosion and weather resistance. They have been widely used in many fields of manufacturing. Among them, polyester powder coatings are widely used in outdoor facilities such as buildings, automobiles, and transportation due to their excellent comprehensive performance and relatively low cost advantages. Currently, more than half of thermosetting powder coatings are prepared using polyester resin as the base material.
- "Polyester-TGIC" is a series of polyester based powder coatings with the use of TGIC
- Designed for exterior or interior use.
- Offering excellent light and weatherability from a single coat finish on a variety of substrates.
- This series are available in a wide range of colors with different gloss and texture.
- Main properties:excellent UV resistance for exterior application;Good heat resistance
Product Parameters
- Chemistry: Polyester-TGIC
- Particle size: Suitable for electrostatic spray
- Storage: Dry ventilation conditions below 30ºC
- Curing schedule: 200ºC/10minutes;190ºC/15minutes
- Specific gravity: 1.2-1,8g/cm3 up to colors
TECH DATA SHEET
Specific gravity (g/cm³, 25 ºC): 1.4-1.7
Particle size distribution: 100% less than 100 microns (adjustable according to special coating requirements)
Curing conditions: 200 ºC, 10 minS
| Testing items |
Testing standards |
Inspection indicators |
| High gloss |
Semi Gloss |
Matt |
| Impact resistance |
GB/T 1732-1993 |
50kg.cm |
40kg.cm |
40kg.cm |
| Cupping test |
GB 9753-1988 |
8mm |
7mm |
7mm |
| Adhesion |
GB/T 9286-1998 |
0 Level |
| Bending test |
GB 6742-1986 |
2mm |
3mm |
3mm |
| Hardness |
GB/T 6739-1996 |
1H-2H |
| Heat resistance |
GB 1740-1989 |
>1000H |
| Weather resistance |
150ºC*24H |
Excellent light retention, color difference ≤ 0.3-0.4 |
- Glossy Durable Polyester Powder Coating
- Transparent Polyester Powder Coating
- Matt Durable Polyester Powder Coating
- Super Matt Polyester Powder Coating
Installation Instructions
Detecting Instrucment
Certifications
FAQ
Powder Coating FAQ
Q1: What is powder coating?
A1: Powder coating is a dry finishing process where a fine, free-flowing powder (made of resin, pigments, and additives) is applied electrostatically to a surface. The coated object is then heated in a curing oven, where the powder melts, flows, and chemically crosslinks to form a durable, smooth, and high-quality finish.
Q2: How does powder coating work?
A2: The process typically involves three main steps:
1. Preparation: The part is thoroughly cleaned (often via chemical pretreatment or blasting) to remove grease, rust, and contaminants, ensuring proper adhesion.
2. Application: The powder is sprayed using a gun that gives it an electrostatic charge. The grounded metal part attracts and holds the charged powder particles evenly.
3. Curing: The part is placed in an oven. Heat causes the powder to melt, flow, and cure into a uniform, hard coating.
Q3: What are the main advantages of powder coating?
A3: Key benefits include:
• Durability: Highly resistant to chipping, scratching, fading, and corrosion.
• Environmentally Friendly: Contains little to no Volatile Organic Compounds (VOCs), and overspray can often be recycled.
• Efficiency & Quality: Provides a thick, uniform coat in a single application without runs or sags.
• Aesthetic Variety: Available in a vast range of colors, textures (e.g., glossy, matte, wrinkled), and special effects (metallic, hammertone).
Q4: What materials can be powder coated?
A4: While most commonly used on metals (steel, aluminum, etc.), it can also be applied to certain non-metallic materials (like medium-density fibreboard - MDF) that can withstand the curing temperatures. The key requirement is the ability to hold an electrostatic charge and tolerate heat (typically 300°F - 450°F / 150°C - 230°C).
Q5: Is powder coating more durable than liquid paint?
A5: Generally, yes. The cured thermosetting polymer finish is typically thicker, harder, and more resistant to impact, moisture, and chemicals than conventional liquid paints. It is less prone to cracking or peeling.
Q6: How long does a powder coated finish last?
A6: Lifespan varies with the powder formula, substrate preparation, coating thickness, and exposure conditions. A well-applied powder coat on a properly prepared metal surface can last 15-20 years or more, significantly outperforming liquid paint, especially outdoors.
Q7: Can powder coating be used for outdoor applications?
A7: Absolutely. Many powders are specifically formulated for excellent UV resistance and weatherability, making them ideal for outdoor furniture, architectural elements, fencing, agricultural equipment, and automotive parts.
Q8: Are there limitations to powder coating?
A8: Some considerations include:
• Heat Sensitivity: The substrate must withstand curing oven temperatures.
• Part Size & Shape: Very large objects may not fit in standard ovens, and complex shapes with deep recesses can be challenging for even coverage (Faraday cage effect).
• Touch-ups: On-site touch-ups are more difficult compared to liquid paint, often requiring a full recoat in a booth.
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