1. Our Powder Coating Advantage:
(1) Spray ratio is 90%;
(2) 1KG of powder coating can spray 8-10 square meter;
(3) Powder Coating adhesive force is stronger 8-10 years;
(4) Powder Coating is not easy to fade in 5-8 years;
2. Charactcristic: Powder
| Available Powder Types |
Available Colors |
| 1. Epoxy powder coating |
1. RAL Colors |
| 2. Polyester Powder Coating |
2.Pantone Colors |
| 3.Epoxy-Polyester Powder Coating( Hybrid) |
3.Customer color matching |
| 4.Polyurethane Powder Coating |
Available finish |
| 5.Heat transfer printing powder coating |
1. Smooth |
| Available gloss level |
2. Rough( Sand texture ) |
| 1. High gloss( Above 80%) |
3.Wrinkle( fine texture ) |
| 2. Flat gloss (50%-80%) |
4.Antique( hammer tone) |
| 3. Semi gloss(5%-50%) |
5.Metallic |
| 4. Matt ( below 5%) |
6.Other special effect ( artistic) |
3. Application Area
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Application Area
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1. Household Applications
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7. Used for Security Door;
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2. Car Coating
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8. Radiator & Heat Sink;
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3. Used for Valve
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9. Corrosion Prevention of Pipes;
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4. Track Traffic
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10. Communications Equipments;
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5. Aerospare field
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11. Hardware & Brightwork;
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6. Fitness Equipment
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12. Zincing & Aluminium;
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Composition
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It is made of epoxy resin or polyester resin, curing agent, pigment, filler and additives through melting, extruding, grinding and processing.
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Main features
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It contains no lead heavy metal.
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Application
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It is applicable to the coating of products with requirements for metal contents.
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Product series
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It can be made into common powder with various glosses and colors, art powder and power coating with metal effect according to customers’ requirements.
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Technical indexes
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Residue on sieve %125μm
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0 or based on negotiation
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Color and appearance of paint film
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The paint film should be smooth but slight orange peel is allowed and the color should meet the color difference specified.
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Hardness
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≥2 H
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Bending mm
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2
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Adhesive force (1×1 mm) Grade 6×6
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0
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Impact resistance kg.cm
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≥40
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Acid resistance (HCI 3%)240 h
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The film has no change.
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Alkali resistance (NaOH 5%) 168 h
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Slight change is allowed but it shall be recovered within 2h
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Salt spray resistance 1,000 h
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≤ Grade 1
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Damp-heat resistance 1,000 h
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≤ Grade 1
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Film thickness μm
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50~60
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Surface prepartion
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The corresponding treatment method should be used based on the substrates, such as phosphating, chromizing, shot blasting or blast cleaning
1. The surface roughness should be 30 ~75 μm if reaching Grade Sa2.5 by shot blasting or blast cleaning.
2. Phosphating: degreasing- derusting- neutralizing- surface control- phosphating- passivating
Appearance of phosphating film: The phosphating film should be crystallized densely, continuously and evenly.
3. Chromizing: degreasing- rinsing- immersion cleaning- deoxidating- rinsing- chromizing
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Method of Application
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It is applicable to high voltage electrostatic spraying
Spraying voltage: 50-90 kV; air pressure for spraying: 0.1-0.2 Mpa; distance between the gun and workpiece: 200-300 mm
Curing condition: 180-200℃/10-15 minutes or customized according to customers’ requirements.
Additional coating: different measures should be taken for the specific conditions: 1. If the requirements are not high, paints with the same color can be used for additional coating; 2. In case of high requirements, spraying and curing should be made after polishing the omitted part with sand paper and spraying the whole surface.
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