Paint & Colors

Problem Paint

Sags or Runs

Tears or curtains of paint on vertical or inclined character lines of the painting part.

Dry Spray

Rough, irregular orientation of the painted surface.

Mottling

Non-uniform, blotchy appearance of metallic paint. Alluminium particles congregate rather than maintaining their prescribed distribution.

Machine Striping

Zebra effect, uneven coating caused by non-syncronized line and travel gun speeds. Uneven lapping of metallic colors is particularly troublesome.

Low Gloss

Poor light or image reflectance. Gloss represents the amount of light reflected, distinctness of image measures the clarity of the image reflected

Off Color

Does not match master color panel.

Solvent Pop

Small bumps in paint film. This condition is more likely to occur on edges or areas where film build is the heaviest. The surface skin-over, trapping solvent underneath.

Sand Scratches

A film that shows scratches trought the color coat. Scratches mat be straight lines or circular (where orbital machine sanders are used).

Dirt

Cratering

Small rounded indentations, normaly evenly spread over the affected area. Larger craters have slightly raised edges.

Gassing

Small bumps in paint film. This condition often occurs in a reoccurring. Irregular pattern. Looks like solvent popping but does not always occur in high film build areas. Cross sectioned panels show the origin of the defect to be in the substrate occurrence does not vary with colors,or product type, but tends to be part specific.

Popularity: 11% [?]

Tags: none | April 3, 2007 on 11:56 am | In Paint Problem | |