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Recovered powdercoating powder lacks gloss





Can you one tell me the root cause of gloss reduction while we using the recovery powder with vergin powder in powder coating. And also suggest me the qualities of recovery powder to reuse.

H.Indraa Durai
Product designer - India
December 7, 2010


If it's 1st pass reclaim then it is possible to mix 50/50 depending upon the quality of the virgin powder. Using reclaim from a continuous reclaim process... then the mixing ratio should be no more than 10% reclaim to virgin.

Terry Hickling
Birmingham, United Kingdom
First of two simultaneous responses -- December 13, 2010


You lose gloss because every time you reclaim and respray the powder it breaks down the particle size of the powder. I would try to dial in the powder output of the guns so that you don't have as much overspray. How many times powder can be reclaimed and resprayed all depends on the kind of powder.

Adam Krey
- Whitewater, Wisconsin, USA
Second of two simultaneous responses -- December 14, 2010


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