Surface finish hub
Category overview and RFQ checklist.
Surface finish hubSurface finish
Bead Blast Finish on Injection Molded Parts
Bead blast delivers uniform matte without custom grain but changes feel and cleaning behavior.
Surface finish
Use blast when uniform matte beats polished gloss
Often mapped to SPI D grades for hidden or utility surfaces.
Blast hides minor weld witness when depth is consistent.
Medical or food paths need material compatibility review before blast media selection.
Quote checklist
What to send with CAD
Finish specs stall quotes when they live only in email threads.
Target SPI D equivalent if used
Surfaces that must stay polished called out
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
Can bead blast run after molding?
Often mold-side. Post mold blast is a different routing.
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.