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Posted by: | on May 30, 2012

Electrostatic Spray(Corona)

Electrostatic Spray (Corona charging) is the most common method used in powder coating .The process disperses finely ground powder into corona field at the gun tip applying a strong negative charge to each particle. These particles have a strong attraction to the grounded part and deposit there. This process can apply coatings between 20um-245um in thickness. Corona charging can be used for decorative as well as functional coatings. Virtually all resins with the exception of nylon can be applied easilyRead More …

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Posted by: | on April 23, 2012

Electrostatic fluidized Bed Coatings

Electrostatic fluidized beds are especially applicable to continuous coating of sheets,wire screen and small simple configuration parts.The effective coating range is only 3-4inches over the bed and will not coat parts with deep recesses.Coatings range from 20-74um on relatively high speed lines.   Advantages include: High speed lines ; Easily automated; Acceptable to continuous length products Disadvantages include: Coating area limited to 3-4inches above bed; Restricted product flexibility; Best for 2 dimensional parts Links to: Fluidized Bed Powder Coating   Electrostatic(Corona)Spray Triboelectric/Tribostatic Spray

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