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Curtain
How it works: Flat metal blanks are placed on a conveyor belt which carries them through a thin, descending "curtain" of coating onto another coater belt to be carried away for curing. Coating that does not fall on the metal falls through an opening into a trough and is pumped back into the curtain process.
Uses
- Promotional, opening price-point and moderate market levels.
- Cookware: Interiors and exteriors.
- Bakeware.
- Small electrics.
Advantages
- Speed: This system can coat from 3,000 to 4,000 pieces per hour.
- Minimum personnel required.
- Virtually no waste: Since the small amount of unused coating is cycled back into the
system, this method wastes less coating than any other.
- Aesthetics: The only non-spray process that imparts a smooth, glossy finish, with no track
marks.
- Flexibility: Disks can be as thin or as thick as specifications require.
Disadvantages
- Potential coating problems: Conventional coating formulae do not work in the curtain coater.
However changes Whitford has made to its coatings have improved their
performance in curtain coating application.
- Specialized equipment is required.
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The curtain application method. |
For more information visit our product information portal – Product Knowledge Network
 Watch the Curtain Coater Video
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