One of them being that you should always pour your silicone from one place and let it coat the piece being copied. Otherwise, there might be lines on the mold. Another tip is for DIY mold release ...

A release agent consisting of petroleum jelly ... [Eric] has also shown us how to make much larger silicone molds in the past. If you find yourself making lots of different-sized mold boxes ...

BALLSTON SPA, N.Y.— Specialty Silicone Products Inc., a rubber products supplier for the aerospace and other specialty ...

Over time, silicone begins to degrade and harden. This degradation compromises the sealant, allowing moisture to penetrate the joint. The moisture can lead to mold ... and help release it from ...