Jinhu Color Powder Coating Co.Ltd
FEIHONG POWDER COATING CO. LTD, Paint for healthy,E-friendly and colorful life
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RAL 2000 Yellow orange polyester powder , chemical resistant powder coating
The most common way of applying the powder coating to metal objects is to spray the powder using an electrostatic gun, or corona gun. The gun imparts a positive electric charge to the powder, which is then sprayed towards the grounded object by mechanical or compressed air spraying and then accelerated toward the workpiece by the powerful electrostatic charge. There are a wide variety of spray nozzles available for use in electrostatic coating. The type of nozzle used will depend on the shape of the workpiece to be painted and the consistency of the paint. The object is then heated, and the powder melts into a uniform film, and is then cooled to form a hard coating. It is also common to heat the metal first and then spray the powder onto the hot substrate. Preheating can help to achieve a more uniform finish but can also create other problems, such as runs caused by excess powder.
The products include high light ( above 86%),
glazed (76%-85%),
matt(20%-50%),
super matt (below 20%).
We also offer a variety of shiny products according to the needs of users.
Technic Data:
| pplication Field | Apply to anticorrosive and insulative products: | |
| Anticorrosion pipeline,rebar,bridge,steel structure, | ||
| pylon,tank,marine fittings,electric control cabinet, | ||
| switch components,lighting sets. | ||
| Application Condition | Electrostatic spray/Triboelectric gun spray. | |
| Recommended curing condition:200 degree centigrade for 12 minutes | ||
| (object surface temperature),range from 190 degree centigrade | ||
| for 20 minutes to 210 degree centigrade for 8minutes. | ||
| Recommended film thickness:50~80um, range from 40~150um | ||
| Physical Property | Specific gravity | 1.4~1.8g/cm3 as per formula and color |
| Particle size | average 35~40um | |
| Test Condition | Substrate | 0.5mm thickness cold rolled steel sheet |
| Pretreatment | Remove rust and grease | |
| Film thickness | 50~80um | |
| Curing temperature | 200 degree centigrade for 12 minutes | |
| Mechanical Property | Pencil hardness | ISO 15184:1998,2H |
| Adhesion (by griding) | GB/T 9286-1998,0grade | |
| Impact test | GB/T 1732-1993,≥50 kg.cm | |
| Bending test | GB/T 6742 ,≤2mm | |
| Cupping test | GB/T 9753,≥7mm | |
| Chemical and Durability Test | Salt spray test | GB/T 1771,≥1000 hours,no obvious change , |
| crossion width at cross≤2mm | ||
| Heat and moisture test | GB/T 1740,≥1000 hours,no change | |
