Coating Issues

CAUSE: Particle size distribution too fine

CORRECTION: Consult with powder suppliers

CAUSE: Moisture in the powder due to improper storage

CORRECTION: Powder must stored dry at processing temperature

CAUSE: Sintering at the baffle plate and the nozzle due to excessive conveying air pressure Damage to nozzles by too high an air pressure of the feed air

CORRECTION: Reduce conveying air

CORRECTION: Check for wear on the injector – collecting nozzle

CAUSE: Poor fluidization in the powder tank due to moist compressed air or blocked fluid plate, fluid tubes

CORRECTION: Check compressed air for contamination, replace fluid plate or fluid pipes

If you need more information please feel free to contact us