×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Higher temp plastic than PEEK?

Higher temp plastic than PEEK?

Higher temp plastic than PEEK?

(OP)
Howdy all,

I'm working on a high voltage insulating, high temperature ~300c prototype device.

PEEK is currently being used as an insulator in the device, does a higher temp resilient insulating material exist besides ceramic?

Thanks all!

Cameron

RE: Higher temp plastic than PEEK?

Above about 300C all carbon bonds become unstable so it's hard to go above that number. Try looking up Torlon.

Chris DeArmitt PhD FRSC
President

Plastic materials consultant to the Fortune 100
www.phantomplastics.com

RE: Higher temp plastic than PEEK?

(OP)
edit: ptfe is out due to cold flow problems.

RE: Higher temp plastic than PEEK?

how about a glass reinforced PTFE?

RE: Higher temp plastic than PEEK?

Thermosets - Urea formaldehyde or phenolic types.

(Torlon requires considerable post-moulding thermal cycle cross-linking)

H

www.tynevalleyplastics.co.uk

Politicians like to panic, they need activity. It is their substitute for achievement.

RE: Higher temp plastic than PEEK?

Take the 1st thing Chris said, no carbon bonds are going to survive long at that temperature (even ptfe will break down). You are in ceramic land.

RE: Higher temp plastic than PEEK?

(OP)
Cool, thanks for the input guys- I am stoked to have your brain time.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources

White Paper - Effects of AIA Quick Guide to UL 489 or UL 1077
The function of a circuit breaker is to provide overload (thermal) and short-circuit (magnetic) protection to a circuit and its downstream components. A circuit breaker functions like an airbag in a car, protecting circuit components and people by tripping the circuit to interrupt the current flow if it detects a fault condition in the control system. Download Now
White Paper - Guide to Integrate Large-Format Additive
As with any new technology, getting into large-format 3D printing begins with investigation. The first question may be a simple one: what does “large-format” mean? For 3D printers, “large” is a relative term. Many extrusion-based (FFF) 3D printers are referred to as desktop machines, because they fit on table space. Some of these have very respectable build volumes – but when it comes to “large-format,” the machines will need their own dedicated floor space. Large-format 3D printers have significant build volumes and are most often found in professional settings, like manufacturing facilities and R&D centers. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close