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Adhesion failure - Coating defects


Figure 1: Paintfails to adhere to substrate or underlying coats of paint.

Defect name: Adhesion failure
Record No.: 3057
Type of defect (Internal/Surface): Surface
Defect classification: Coating defects
Steel name: Steel
Steel composition in weight %: No data.
Note:  
Probable causes: Surface contamination or condensation, incompatibility between coating systems, or exceeding the overcoating time.
Prevention: Ensure that the surface is clean, dry, and free from any contamination and that the surface has been suitably prepared. Use the correct coating specification and follow the advised overcoating times.
Reference: Not shown in this demonstration version.