Sand-textured 3D wood grain powder is a specialized coating that replicates natural wood texture with a sandy, matte finish and a three-dimensional tactile effect. It blends aesthetic wood grain appeal with enhanced tactile and visual qualities, suitable for diverse applications needing beauty and functionality.
| Performance Parameter | Specification | Test Method |
|---|---|---|
| Pencil Hardness | ≥ H | GB/T 6739 |
| Impact Resistance | ≥ 50 kg·cm | GB/T 1732 |
| Bending Flexibility | ≤ 2 mm | GB/T 6742 |
| Adhesion | 0-level | GB/T 9286 |
| Cupping Depth | ≥ 6 mm | GB/T 9753 |
| Salt Spray Resistance | ≥ 500 hours, ≥ Grade 9 | GB/T 1771 |
| Humidity Resistance | ≥ 1000 hours, slight gloss reduction | GB/T 1740 |
| Slip Resistance | Enhanced by sand-textured surface | Tactile Assessment |
| 3D Tactile Effect | Distinctive 3D texture | Visual/Tactile Inspection |
Realistic Wood Grain: Mimics natural wood texture and color variations.
Sandy 3D Texture: Provides non-glare, tactile surface with enhanced grip.
Durable: Resists wear, impact, and environmental factors.
Versatile: Adheres to metals, plastics, and composites.
Eco-Friendly: VOC-free, reducing air pollution.
Architecture: Window/door frames, curtain walls for natural wood look with 3D texture.
Furniture: Metal furniture surfaces for warmth, grip, and tactile appeal.
Home Appliances: Enhances aesthetics and tactile experience of refrigerators, washing machines.
Automotive: Interior/exterior trim for luxury wood-like finish with 3D effect.
Decorative Items: Picture frames, sculptures for unique, textured appearance.
Powder coatings can be categorized by resin system (epoxy, polyester, hybrid, polyurethane), appearance (smooth, texture, hammer, metallic, pearlescent), or performance level (anti-corrosion, heat-resistant, UV-resistant, architectural grade, automotive grade).
Powder coatings offer thousands of colors in gloss, matte, satin, metallic, candy, texture, wrinkle, hammer tone, wood grain, fluorescent, and other custom effects. Special powders can create soft-touch, anti-scratch, anti-fingerprint, or anti-graffiti surfaces.
The process generally includes surface pretreatment (degreasing, phosphating, chromating, sandblasting), drying, electrostatic spraying, curing in an oven, and cooling. A well-controlled pretreatment and curing process ensures strong adhesion and long service life.
Powder coatings are environmentally friendly, solvent-free, and produce minimal waste. They offer excellent corrosion resistance, weather durability, mechanical strength, and uniform film appearance. The coating is tough, impact-resistant, scratch-resistant, and has a long lifespan.
Powder coatings are widely used in appliances, aluminum profiles, architectural components, automotive parts, bicycles, furniture, outdoor equipment, machinery, electrical cabinets, pipeline systems, and general industrial and consumer goods.
Powder coating is a dry finishing technology where finely ground powder is electrostatically sprayed onto a metal or non-metal surface and then cured at high temperature. After curing, the powder melts into a continuous, durable, and decorative coating layer.
Powder coating protects the substrate from corrosion, weathering, chemical attack, and mechanical wear. It also provides decorative appearance with rich colors, gloss levels, textures, and special effects.
In many industrial applications, powder coating outperforms liquid paint. It forms a thicker and tougher coating, resists corrosion and chemicals better, and does not contain VOCs. It also provides excellent consistency and cost-effective mass production.
It is called powder coating because the coating material is a solid powder instead of a liquid paint. The coating is formed by melting and curing powder particles under heat.
Powder coatings include several families depending on resin chemistry:
• Epoxy powders
• Polyester powders
• Epoxy-polyester hybrid powders
• Polyurethane powders
• Acrylic powders
• Fluorocarbon (PVDF) powders
Each type has its own performance features such as corrosion resistance, UV resistance, chemical resistance, outdoor durability, or decorative properties.
Powder coatings are based on thermoset or thermoplastic resins combined with pigments, curing agents, fillers, additives, and in some cases metallic or effect particles. Common substrates include steel, aluminum, galvanized metal, MDF, and certain heat-resistant plastics.
The lifespan depends on powder type, film thickness, application method, pretreatment, and service environment. Indoor coatings can last more than 10–20 years. High-grade outdoor polyester or fluorocarbon powders can last 15–25 years or longer under UV exposure.
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