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Nylon Powder Help

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Q. I am quoting a job that requires nylon powder for electrosurgical instruments. Could you tell me more about this type of powder and the grade used for coating electrosurgical instruments? Also, where can it be purchased? M. W.

 

A. Nylon is a thermoplastic powder that comes in several “grades,” the most popular being Nylon 11. Normally this material is applied over a liquid primer for better adhesion. It can be applied using both fluidized bed and spray techniques, although you must select the proper material for the type of application material used (i.e. spray grade or fluid bed grade). If this material is sprayed using a Corona gun, it will probably work best with a positive polarity gun. These are different than the most common negative polarity guns sold to 98% of the applicators of general powder coatings. Go to www.pfonline.com to find the short list of suppliers who make this material. Be prepared to spend several times the cost per pound of typical powder coatings.
 

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