Surface finish hub
Category overview and RFQ checklist.
Surface finish hubSurface finish
Painting Injection Molded Parts: Process, Adhesion and Cost
Paint fails on molded parts when the mold release story never reached the paint vendor.
Surface finish
Treat paint as a secondary operation with mold inputs
NetProto focuses on molding; paint is often customer or partner scope but still needs mold-side planning.
Gate location and texture affect paint thickness and orange peel. Call out masked zones before steel.
Some resins need flame or plasma prep. Note that early so timelines stay honest.
Quote checklist
What to send with CAD
Finish specs stall quotes when they live only in email threads.
Paint spec or vendor data sheet
Masking diagram for threaded or bearing surfaces
Mold texture plan compatible with paint adhesion
Keep exploring
Related finish guides
Open siblings on the same hub path before you lock mold texture on the quote.
Color options
Appearance and resin color control.
Color optionsSPI finish chart
A1 through D3 on one page.
SPI finish chartMolding textures
MoldTech and VDI selection.
Molding texturesTexture selection
Pick a spec before steel is cut.
Texture selectionFAQ
Common questions
Does NetProto paint parts in house?
Molding is the core service. Coordinate secondary paint with your program manager when required.
Next step
Ready to attach a finish target to your upload?
NetProto quotes one hardened steel tool with piece price. Finish level still drives DFM and mold texture scope.