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Pin holes when spraying semi gloss latex

Q. What would cause pin holes when spraying hvlp with latex semi gloss?

TJ MCCALL
SCENIC ARTIST - LOS ANGELES, CALIFORNIA, USA
May 20, 2011

A. You probably have some contamination on the surface of the substrate causing surface tension issues with the coating.

Ronald Zeeman
Coil Coating - Brampton, Ontario, Canada
May 25, 2011

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