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Finishing · Injection Molded

In-mold finish.
Post-mold options.
Plastic finishing.

Finishing for injection molded plastic parts. Texture, polish, paint, label. Most finish defined by mold cavity.

01 · Key principles

Key principles.

SPI A1-A3

Mirror polish

SPI A finishes mirror polished cavity. For clear plastics.

SPI B1-B3

Smooth polish

SPI B finishes smooth — typical cosmetic surfaces.

SPI C1-C3

Stoned

Stoned finish — even matte texture.

SPI D1-D3

Bead blast

Bead-blasted cavity — uniform matte.

Custom textures

MT-11000 series

Mold-tech textures — wood grain, leather, geometric patterns.

Painted finish

Post-mold

Paint over molded part for color or coating.

Pad printing

Logos, labels

Pad printing for small graphics.

In-mold decoration

IMD

Film placed in mold during injection. Premium graphics.

Hot stamping

Foil application

Metallic foil stamped onto molded part.

FAQ

SPI grades meaning?

SPI A1 highest mirror, D3 deepest matte. Each grade reflects mold cavity preparation.

Texture libraries?

MT-11000 series standard textures. Custom textures via electroformed inserts.

Paint adhesion to plastic?

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

Cosmetic surface placement?

Cosmetic surface in mold cavity (B-side). Gate marks, ejector pins on hidden side.

Decoration techniques?

Pad printing simplest. Hot stamping for premium. In-mold decoration highest aesthetic.

Color matching?

Pre-colored compound or in-machine color via masterbatch. Pantone-matched lots possible.

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