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Reference · Plastic Coatings

Painting. Plating.
Vapor deposition.
Coating plastics.

Plastic coating methods — painting, plating, vacuum metallizing, EMC coatings. Each for specific aesthetic or functional purpose.

01 · Key principles

Key principles.

Painting

Custom colors

Wet paint or powder coat over plastic. Adhesion primer per plastic.

Galvanic plating

Chrome decorative

Plastics plated for metallic appearance. ABS standard for plating.

Vacuum metallizing

Aluminum coating

Thin aluminum coating. Cosmetic mirror finish. Cheaper than plating.

EMC coatings

Conductive

Conductive paint or plating for EMI shielding.

UV coatings

Scratch resistance

Hard UV-cured coatings. Scratch-resistant clear coats.

Anti-microbial

Healthcare

Silver-ion or specific anti-microbial coatings for medical.

FAQ

Plating vs painting?

Plating: metallic appearance, durable, premium cost. Painting: any color, less durable than plating.

Adhesion primers?

Material-specific. PP/PE difficult — flame treat or plasma activation. PC/ABS easy.

Cosmetic durability?

Plating > paint > vacuum metallizing for mechanical durability. Choose per application wear.

Decorative effect?

Vacuum metallize cheap mirror look. Plating premium chrome look. Painting custom colors.

Lead time?

Painting 3-5 days post-molding. Plating 5-7 days. Custom Pantone 1-2 weeks color development.

Cost ranking?

Painting $0.50-3/part. Vacuum metallize $1-5/part. Plating $3-15/part. Per surface area.

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