Plastic and Injection Molding Industry Blog


Explaining Shrink in Silicone Injection Molding

Posted by Corie Yodis on July 30, 2018

Shrink is a common issue in all injection molding processes, both silicone and plastic. As long as you are working with a skilled manufacturer, who has ample knowledge in material science, they should know how to account for the shrink in your design. Silicone shrinks more predictably than plastic, so it is easier to account for. All plastic resins have different shrink rates, and they are much larger than the shrink rates of silicone. Plastic shrink can also result in sink, which can be a large problem atheistically.

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Tags: Injection Molding, Product Design, Molding, Silicone Shrink