PEEK Outgassing for Food Applications

Q: I have a food processing application that requires a polymer screw that can get hot – about 300F. My concern is outgassing in the heat that can contaminate the food chemicals. Is there something that will not outgas that can work for me?

A: For your application I would suggest a PEEK screw. It is usable to 500F – well within your range. Also PEEK screws have a V-0 flammability rating. They can be used in high temperatures with low smoke and toxic gas emission when exposed to flame. In addition, they are approved by the FDA, USDA, and 3A Dairy.

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