After one or two coats, the part may become too
insulated for subsequent coats of Teflon® powder
to be applied electrostatically. In this case, the part
may be sprayed hot (hot flocked) as it comes out
of the oven from curing the previous coat. This
requires adequate ventilation. Even the small
amounts of decomposition products of fluoropolymers
which occur at bake temperatures may
cause discomfort to people in the area if the fumes
are not vented to the outdoors and allowed to be
diluted by the outside air.