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Jay Mazur, from Reynolds Advanced Materials, stopped by Nova Labs on January 25 to lead a demonstration on various types of mold making materials, applications, and techniques. Hailing from Macungie, PA, Reynolds Advanced Materials is a distributor for Smooth-on, a supplier of many different casting supplies to hobby and industrial markets.
Classrooms A and B were both full of people interested in learning more about what can be done with urethane, silicone, rubber, epoxy, and more. Some of the materials had pot-life (the time you can work with the material after mixing the various parts together) in the two or three minute range, while others remain workable for much longer. A cast of a large silicone dime in Smoothcast 300Q (Q for “quick” apparently!) even had a dramatic reaction going from clear to opaque in a few seconds, surprising everyone in the room. It was pulled from the mold and passed around the room hardly 30 minutes after being mixed and cast.
Jay offered tips for working with various products:
At the end of the multi-part demonstration, Jay mixed a product called Alja-Safe and had everyone do a life cast of their thumb. After the 8-minute cure time, the same fast-cure urethane used on the dime was used to create reproductions of each person’s casting. At least a few people said that these would be used to create literal USB thumb drives!
For more info, check out www.reynoldsam.com
Here are some more photos from the class. All photos by Andrew Albosta unless otherwise indicated.