Tag: Thermosetting powder coating
Safe Storage Of Powder Coating
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Proper storage for powder coating prevents particle agglomeration and reaction advancement, and ensures satisfactory application,this is pivotal. During application powder coatings must be easily fluidizable, free-flowing, and capable of accepting and maintaining a good electrostatic charges. Factors affecting powder coatings storage The key factors affecting powder coatings storage can be identified as: Temperature Moisture / Humidity Contamination Direct sunlight The recommended optimum conditions for storage of powder coating are: Temperature < 25°C Relative humidity 50 – 65% Away from directRead More …
The key properties of each generic type of thermosetting powder coating
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Properties of each generic type of thermosetting powder coating Industrial finishes are custom formulated to individual and end-user requirements. Successful selection depends on a close working relationship between users and suppliers. Selection should be strictly on a demonstrated film performance basis. This is because the film performance of a thermosetting powder coating is completely dependent on the bake it receives in a particular plant, on a particular substrate, with a particular degree of cleanliness, and type of metal pretreatment. ManyRead More …
Thermosetting powder coating are much more widely used
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Thermosetting powder coating are applied by the electrostatic spray process, heated to the necessary temperatureand cured and are primarily composed of relatively high molecular weightsolid resins and a crosslinker.The formulation of thermosetting powders contain the primary resins:Epoxy,Polyester,Acrylic. These primary resins are used with different crosslinkers to produce a variety of powder materials. Many crosslinkers, or cure agents, are used in powder coatings, including amines, anhydrides, melamines, and blocked or non-blocked isocyanates.Some materials also use more than one resin in hybridRead More …
Thermosetting powder coating and thermoplastic powder coating
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Powder coating is a type of coating that is applied as a free-flowing, dry powder. The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form. The coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a “skin”.They are applied as a dry material and they contain veryRead More …