acromapro

Sanding and Finishing

Finishing problems & solutions: spray, curtain & roller coating

Listed below are some common finishing problems related to spray finishing, curtain coating and roll coating applications.  Spray finishing Problem: Pin holing Causes: Insufficient and excessively dry spraying of the substrate; Excessive application at high temperature or on heated substrate; Porous substrate (fiberboard, particleboard, etc.); Incorrect thinning