Can I buy just one side of Alumilite or just catalyst for the rubber? Monica P. February 12, 2020 17:56 Yes. We typically stock extra catalysts for the silicone however if it is not in stock, expect a lead time of 5-10 days. Related articles How do I polish clear resins? Do you ship your products internationally? What is the shelf life of silicone moldmaking rubbers? How long does it take Performance 80D to fully cure such that the data sheet specifications can be expected. I see that demold time is 1 to 2 hours, but how long until full strength is obtained? Is Alumilite safe or toxic? Comments 0 comments Article is closed for comments.