Can I press the material into (onto) a silicone mold and letit set. Will it release w/o talcum?
A It depends on how stable/strong the silicone mold is. Can you press Super Sculpey in without deforming the mold? If so, you are in business with MS! To say unequivocally no to talcum might be premature since there are so many RTV formulations. 9.9999999 times out of ten, you should not need talcum in an RTV mold. But, it would be just my luck that the stuff would stick in your mold. Just give it a test with a very small amount of MS on the lands (shoulder) of the mold as opposed to the cavity. You’ll have your answer in three hours (or less if you heat it in the oven). Let us all know the results and specify the RTV you are using for reference purposes.
