Looking to do my first mold and cast. I have been looking at Smooth-On and have found I like the method using Mold Max 30 and cast with Smooth Cast 320. My only concern is shipping to Alaska this time of year. I know the shipping is going to be really bad, being as I am sure it is hazmat coming by boat up here, but the major concern I have is the temperatures this time of year. I know some of their products are freeze sensitive. With that in mind, is it possible to make the mold using RTV silicone followed by a fiberglass mother mold and then ship the Smooth Cast 320 once the temperatures warm back up? I know I can get the mold materials locally, so I was thinking that might be a good alternative. I just don't know if RTV silicone is an acceptable alternative. Any help would be greatly appreciated.