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Longkou Guomei Decoration Material Co.,Ltd.
Solutions to FAQ
Our products can be divided into Epoxy Powder Coating,Polyester Powder Coating,Hybrid Powder Coating.Each resin type can have different gloss,such as High Gloss Powder Paint,Flat Gloss Powder Paint,Semi-Gloss Powder Paint, Matte Powder Paint .
| Problems | Reasons | Solutions |
|
Adsorption weak | Hanger | Adjust the way of hanging |
| Electrostatic | Adjust voltage to appropriate | |
| Ground connection | Check and make sure ground connection well | |
|
Gusting / Spitting | Transferring or pressure of atomization is flat | Adjust transferring or pressure of atomization |
| Duct is jam | Clean the jam in time | |
| Quick-wear parts of the pump got excessive wear | Replace components in time | |
| Dropping | Transferring or pressure of atomization is flat | Adjust transferring or pressure of atomization |
| Fluidization abnormal | Adjust the fluidization airflow | |
| Nozzle jam | Adhere to the nozzle and turned harden | Clean the nozzle in time |
| Air pressure of powder conveying too low | Pressure boost | |
|
Pinhole | Substrate not clean or the casting has a blow hole | Thoroughly cleaning and polish |
| The spray gun got overtension,give rise to the film breakdown | Farther distance between the gun and workpiece | |
|
Shrinkage cavity | Outside contaminations,(new equipment or new not cleaning , containing silicone) | Make sure the workplace cleaning and workpieces unoiled |
| Outside contaminations,(hanger line lubricating oil dropping) | ||
| Grain | Film too thin | Increase thickness of the film |
| Substrate`s problem | Adjust the substrate | |
|
Chromatic aberration | Film thickness nonuniform | Make film thickness uniform |
| Oven temperature is too high,excessive baking | Lower the temperature or improve the chain speed | |
|
Bubbles | Substrate`s problem | Notice the texture of substrate,do better prepared and increase the pre-baking temperature |
|
Gloss problem | Low gloss | Adjust the contamination or lower temperature |
| High gloss | Improve the curing temperature | |
| Adhesive force Impact Hardness Film fall off |
Curing insufficient
Outdoor Using Electrostatic Coating or Indoor Using Electrostatic Coating,maybe Candy color.These colors are very suitable for outdoor furniture and auto parts. | Test temperature |
| Confirm twice baking | ||
| Improve the temperature or baking longer | ||
| Substrate cleaning below standard | Test the unoil,rust removal and degrease |
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.