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| MOQ; | MOQ100KG,From China |
| Feature | Powder Coating & Surface Finishing Solutions |
| Classification | Powder Coating |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free,Contact us now. |

RAL colors coating powder
Pantone colors
Color-matching regarding customer requirement is available
Polyester /Hybrid powder coating
Epoxy Powder coating color
Metallic powder coating color
Hammer tone color powder coating
Texture color powder coating powder
Textures include sand grain, hammer, silk pattern, sand textured, marble,metallic, multi-color.
Specific gravity :1.2 ~ 1.8g/cm3 up to colors
Particle size distribution:100% less than 100 microns (depending on the specific indicators art effects may be, according to the special requirements of painting adjusted)
Level of liquidity:24 ~ 27 mm
180 °C ~ 200 °C (work piece temperature), 10-15 minutes
8-12 square meters / kg, thickness 60 microns (100% of the powder coating utilization rate).
Outside carton lined with two layers of polyethylene bags, each containing 20 kg net weight.
Stored in less than 30 °C, ventilated, dry, clean room, not near the fire source, heating, avoid direct sunlight, the product in the transport should be to prevent rain, sun, prolonged sun exposure.Storage products in line with the above conditions, since the date of production, effective storage period is 6 months.Over the storage period may be re-tested and the results were consistent with, can still be used.
Coating powder is a non-toxic products, but should be avoided in the course of inhalation of dust.Proposed operators wear appropriate dust mask, glasses.If possible, try to avoid long-term skin contact with powder coating
| Mechanical property | ||
| Testing items | Standards and methods | Inspecting index |
| Impact strength | GB/T1732-1993. AS3715 2.8 | >50kg/cm |
| Bending resistance | GB/T1185-88. AS1580 402.1. ISO9227 | Pass 2-5 millimeters |
| Adhesion CHECKED TEST | GB/T9286-88.2mm Cross cut, ISO2409 | Pass100/100. passes 0 levels |
| Cupdrawing:Erichsen, ISO1520 | Erichsen, ISO1520 | Pass 3-7 millimeters |
| Pencil hardness | GB/T6739-86 | Pass H-2H |
| Chemical resistance and weather resistance | ||
| Salt spray test | GB/T1771-91.500 hours | The cross section of corrosion less than 2MM |
| Hot and damp resistance test | GB/T17740-79(89),1000 hours | Without air bubbles, loses the light slightly |
| Acid resistance | 10% CH3COOH, 240 hours | Without air bubbles, the surface without damage |
| Alkali resistance | 10% NaOH, 240 hours | Without air bubbles, the surface without damage |
| Heat resistance | 200degree,1 hour | The color change is lower than E=1.5 |
| Solvent resistance | MEK24 hours soaked in solvent-free | Without air bubbles, the surface without damage |
| Uvioresistant | QUV-313.500 hours | Gloss higher than 80% lower than the Munsell color change level |
| Water tolerance of | 2 hours | No bubble, not falling, losing light |
Powder coating is a dry finishing process used to apply a protective and decorative coating on metal or other surfaces. Instead of using liquid paint, fine powder particles (usually made of polyester, epoxy, or hybrid resins) are electrostatically charged and sprayed onto a conductive surface. The coated object is then baked in an oven, where the powder melts, flows, and cures into a smooth, durable finish.
Key features:
Durable, hard finish
Resistant to scratches, corrosion, and UV
Environmentally friendly (no VOCs)
Powder coating offers several advantages over traditional liquid painting:
Durability: Resistant to chipping, scratching, fading, and wear.
Corrosion Protection: Provides excellent protection against rust and chemicals.
Environmentally Friendly: No volatile organic compounds (VOCs) and minimal waste.
Efficiency: Overspray can be collected and reused, up to 99% material utilization.
Uniform Finish: Smooth, even coating without runs or drips.
Cost-Effective: Single-coat systems can achieve high film thickness, reducing labor and energy.
Aesthetic Variety: Wide range of colors, textures, and effects.
The curing temperature depends on the type of powder used:
Epoxy powder: ~160–200°C (320–392°F)
Polyester powder: ~180–210°C (356–410°F)
Hybrid (Epoxy-Polyester) powder: ~180–200°C (356–392°F)
Typical curing time: 10–20 minutes depending on thickness and oven type.
Always follow the powder manufacturer’s specifications for best results.
The powder coating process usually follows these steps:
Surface Preparation:
Clean the surface thoroughly (remove oil, grease, rust, or dirt)
Methods: chemical cleaning, sandblasting, or phosphating
Pre-Treatment:
Apply a conversion coating or primer if needed to improve adhesion
Powder Application:
Spray the powder using an electrostatic spray gun or fluidized bed
Curing:
Bake the coated object in an oven at the recommended temperature for the powder type
The powder melts and forms a continuous, smooth film
Cooling & Inspection:
Let the coated item cool
Inspect for defects, uniform coverage, and desired thickness
Equipment Needed:
Electrostatic spray gun
Compressed air supply
Powder feed hopper or container
Grounding of the object
Steps:
Ground the object: Ensures the charged powder is attracted to the surface.
Spray evenly: Hold the gun 6–12 inches from the surface, moving in smooth, overlapping strokes.
Apply sufficient powder: Ensure full coverage without excessive buildup.
Cure immediately: Transfer the sprayed item to the curing oven to fuse the powder into a solid coating.
Tips:
Maintain consistent speed and distance while spraying.
Use proper ventilation to reduce airborne powder accumulation.
Test a small area to check film thickness and color before full application.
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