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Decision guide

Painting vs Molded In Color: Cosmetics, Durability, and Process Steps

Molded in color runs the color through the part. Painting adds a coating after molding. Color match and wear usually decide.

Part color

Color from the resin or from a coating

Decide before steel is finished, because texture and gloss interact with both.

Molded in color uses pigmented resin or masterbatch so the color runs through the part. Painting applies a coating after molding for special effects, a tight brand match, or surface protection.

NetProto quotes both. Painting is a secondary operation, and molded in color is set by the resin order.

Side by side

How each option looks and wears

Both can meet cosmetic targets. They fail in different ways.

Molded in color

  • No finishing step after molding
  • Scratches show the same color underneath
  • Flow lines and knit lines can show on some colors

Painting

  • Tighter match to a brand color or metallic effect
  • Adds masking, cure, and inspection steps
  • Coating can chip at edges and high wear points

Routing table

Signals for each option

Qualitative only.

FactorMolded in color tends to fitPainting tends to fit
Color matchClose match within resin limitsTight match or special effects
WearScratches stay the same colorChips reveal the base resin
StepsMolding onlyMolding plus painting
Flow marksMay show on dark or metallic colorsCoating can hide minor flow marks

Quote inputs

Send this with your CAD

Color decisions change resin orders and finishing steps.

  • Color reference such as a Pantone or RAL code, or a physical chip

  • Texture or gloss target on cosmetic faces

  • Wear and cleaning the surface will see in use

  • Number of colors across the part family

Continue exploring

Related comparisons

Decision guides and the pages that go deeper.

Molding colors

Color options that affect resin and inspection.

Molding colors

FAQ

Common questions

Can a texture replace paint?

Often. Mold texture with molded in color can hide flow marks without a coating. Texture has to be decided before the steel is finished.

Next step

Quote color the way it will ship

Upload CAD with the color reference. NetProto manufacturing is ISO 9001 certified.