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Releasing Silicone Rubber From Silicone Rubber

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FAQ:  I am making a two-piece block mold using silicone rubber (Mold Max 30).  What release agent should I use to release the rubber from itself?
 

Answer:  To release silicone rubber from silicone rubber, use a release agent that does not contain a significant amount of silicone oil. 

Mann’s Ease Release 200 is recommended for releasing silicone rubber from silicone rubber and other surfaces.  It goes on as a light mist coating and will not interfere with surface detail.

Option: you can also use petroleum jelly thinned with a solvent such as mineral spirits.  Make sure you don’t leave brush strokes on the cured rubber’s surface as they will be reflected in the mold.