Adhesion Loss, Clearcoat

Description: Loss of adhesion between the basecoat and the clearcoat. This defect results in separation of the clearcoat from the basecoat, leading to an unsightly finish.

  • ORIGIN AND POTENTIAL CAUSES

    » Excessive film thickness of basecoat
    » Intermediate and final flash-off
    times of the basecoat too short
    » Wrong mixing ratio for clearcoat and
    activator

  • PREVENTION TECHNIQUES

    » Allow proper flash-off time of coats of
    basecoat and before applying clearcoat
    » Apply proper film thicknesses of all
    layers
    » Mix clearcoat correctly
    » Follow system recommendations per
    Technical Data Sheet(s)

  • REMEDY

    » Sand, isolate if necessary, and refinish

Expert Help