Molds and Casting

This might depend a lot on the metal, but what’s your favored molds or casting technique/material? Sand casting? What kind of sand?

And do you find that you change more often depending on exactly what you’re making, or more the metals (or quality thereof) that you’re working with?

Manufactures liquid rubber and liquid plastic compounds used to make molds and castings

Manufactures liquid rubber and liquid plastic compounds used to make molds and castings