Since this is simple mold, I would expect any silicone product to work. Know that it could be quite expensive to make a mold this large? Do you have a template for your mold yet? If not, polished acrylic would work well.
Melamine coated particle board will work well for your mold box. The silicone shouldn’t stick to it, but I always recommending using a mold release to be sure. This is the one I like:
Thank you so very much. To me any and all informatiin will be greatly appreciated. I am looking into other arrangements for this project in order to keep the cost down. With the information you have offered me i will go back and look into this project with greater knowledge.
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