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Sanding before 2nd coat on hard UV Cured Finish



Is it typical to have to sand between every coat of a UV cured finish on secondary wood products?

Our non profit center is helping a cabinet drawer and door manufacturer that has an incredible bottleneck and huge labor costs in their LOW-VOC UV finishing process.. 

They have come to the conclusion that in order to get good adhesion, they MUST sand off the hard top surface of a UV cured coating before adding additional coats. As some pieces are coated up to 3 times on both sides this adds up to a lot of labor and time in finishing, particularly as most of the sanding is done by hand with palm sanders. How are other facilities handling this?

Thanks for any input - Joe Junker
_______________________________________________________
Joseph F. Junker P.E.
OSU Extension Manufacturing Specialist
Oregon State University, Extension Energy
344B Batcheller Hall, Corvallis, Oregon, USA  97331-2405

Voice:	541/737-5034     Fax:	541/737-5035
Email:	junkerj@engr.orst.edu