PTFE versus PEEK thermal insulating barrier

How do you choose whether to use a PEEK or PTFE barrier?  Well, I asked the benefits of using PEEK over PTFE thermal insulating barriers in an extruder assembly and Nate True gave a fantastic summary:

PEEK is more rigid and won’t bow out and leak everywhere with ABS. It would be better for PLA except that PLA likes to stick to everything. So PTFE (being not sticky) is preferable for PLA. ABS is very slippery by comparison so PEEK is more than adequate for it.

…BBQ

I’m still rockin’ my black ABS coil, so I’ll probably have to add a PEEK barrier to my MakerBot wish list.1

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  1. The bit about BBQ is a joke about the over-use of acronyms. []
March 30, 2010 | Comments Closed

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