Which silicone do you recommend for doing large molds? Monica P. February 26, 2020 16:53 We recommend using our EasyMold Silicone Rubber for large molds. Related articles When using your Polyester Casting Resin, Why use less catalyst on larger projects? How do I get EasyCast unstuck from my mold? Why do i have dimples on my cured surface? How do i figure out how much Silicone Rubber to buy? Comments 0 comments Article is closed for comments.