Dissipates static electricity to protect the normal operation of low-voltage or micro-electronic components.
Prevents the occurrence of electrical sparks and the accumulation of static electricity, which can cause static fires or injuries.
Can be formulated according to customer requirements for conductivity, with a range of 10⁴ to 10¹² ohms (adjustable).
Excellent adhesion, impact resistance, scratch resistance, flexibility, and high hardness.
Conductive powder coatings are functional coatings that, after application and curing on a substrate, can conduct electricity and dissipate electrical charges. They are used for static elimination, electromagnetic shielding, electric heating, and corrosion protection, and have wide applications in modern electronics, construction, transportation, military, and other fields.
Doped conductive powders offer moderate pricing and good conductivity, but with limited color options, primarily available in dark colors or with speckled patterns.
This product is a conductive powder primarily composed of polymers, conductive pigments, conductive fillers, and conductive additives. It offers a variety of colors to meet customer requirements. The conductive mechanism, based on quantum mechanics, involves the mixing (overlap) of molecular orbitals in polymers, which generates charge carriers and exhibits electrical properties. For conjugated chain polymers, intrinsic charge carriers (electrons and holes) are produced, displaying unique electrical properties, photoelectric effects, and light-conducting effects, and can form rectifying junctions.
| Item | Quality Indicator | Test Method |
|---|---|---|
| Appearance | Uniform color, loose without lumps, dry powder flowability 120-140 mm | Visual inspection, excellent dry powder flowability |
| Color | As per customer requirements, consistent with provided samples | Combination of colorimeter and visual inspection |
| Adhesion | Cross-cut test (ISO 2409. GB/T 9286-1998) | 0 level, excellent |
| Impact Resistance | Impact tester (drop weight method) (ISO 6272. GB/T 1732-1993) | Good performance at 50 kg.cm |
| Flexibility | Bending test instrument (ISO 1519. GB 6742-1986) | 3 mm, excellent flexibility |
| Cupping Test | ISO 1520. GB/T 9753-1993 | Pass at 7 mm |
| Surface Hardness | Pencil hardness (Mitsubishi pencil) (ASTM D3363. GB/T 6739-1996) | Over 2H |
| Heat Resistance | 150°C for 24 hours (white) | Excellent gloss retention, color difference < 0.5 |
| Humidity Resistance | ISO 6270. GB/T 1740-1979 | Over 1000 hours |
| Salt Spray Test | ISO 7253. GB/T 1771-1991 | Over 500 hours |
Residential gas pipelines
Coal mine gas pipelines
Ventilation duct coatings
Anti-static covers and housings for precision instruments and meters
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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