Plastic injection molding

Surface treatment


The mold is smoothed and polished with a diamond buff, resulting in a mirror-like finish.

SPI Standard

A-1, A-2, A-3


The mold is polished with ultra-fine grit sandpaper, which provides fine surface finishing of the product.

SPI Standard

B-1, B-2, B-3


The mold is sandblasted with fine stone powder, which removes all traces of the product manufacturing.

SPI Standard

C-1, C-2, C-3


The mold is etched with fine stone powders and then sanded. The surface of the product is therefore textured.

SPI Standard

D-1, D-2, D-3

Follows production

The mold is surface treated at the discretion of the tool operator. The tooling marks can be seen.

SPI Standard


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