Lily's Column
What is injection molding?
Injection molding is a manufacturing technology for the mass-production of identical plastic parts with good tolerances. In Injection Molding, p...
Injection molding SPI surface finishes
SPI Mold Finishes
Finish
SPI* standard
Finishing Method
Typical surface roughness Ra (μm)
Super High Glossy finish
A-1
Grade #3, 6000 Grit D...