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Product to release a mineral core

I am trying to find a product that will release a mineral core (very much like concrete but far less dense). The wet core is poured into a stainless steel pan, then put in an auto clave, then dried in a gas or steam dryer. If anyone has any suggestions I would appreciate them highly.

David Stern
- Marshfield, Wisconsin
2002

I would start by electropolishing the item to completely remove any "tooth". This is SOP for somewhat similar applications.

Ted Mooney, P.E.
Striving to live Aloha
(Ted is available for instant or longterm help)
finishing.com - Pine Beach, New Jersey
2002

Have you considered a silicone mold? Or, how about a silicone liner? Silicone elastomers can easily withstand autoclave temperatures, & castings are easy to unmold after setting.

Dale Woika
Surface Conversion Sciences - Bellefonte, Pennsylvania
2002

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