Silicone Rubber How To Make Silicone Molds

This mold making tutorial video shows how to make a two piece silicone block mold using mold star 15.

Silicone rubber how to make silicone molds.

Silicone rubber is recommended for large molds. My only concern would be making sure the rubber is mixed thoroughly which can be difficult in large volumes. Wood must be sealed to prevent the rubber from soaking into pores holes. We demonstrate creating a silicone rubber mold and then the casting of parts with repro epoxy casting resins and polyurethane elastomers.

The hardness of silicone rubber. Let us assume that you want to make a silicone mold with the help of a wooden frame i e. Other materials required for making your own silicone mold. This technique is ideal for smaller projects less than 12 x 12 this is the easiest process for creating parts patterns tools molds.

The finished mold can be used for casting resin wax f. Work with a master mold. This soft and fast curing basic material can be purchased without any problems from the appropriate specialist dealer. Generic store bought silicone will quickly and decompose and fail to stand the test of time but the food safe silicone mold making rubber from aeromarine is a cut about the rest.

Which materials you need depends of course on your project and the type of mold production. Seal with a few layers of fast drying acrylic clear coat. Even after curing silicone is still relatively elastic. My other two silicone making videos are incredibly long and i ramble on and on about every little thing.

Check out this video for how to create simple one piece silicone rubber molds. From epoxy resins for your boat to cured silicone aeromarine is your go to source for an array of projects.