Plastics for moulding help

[adlard.matthew]

Thought one had posted this but cannot find the post so if it does turn up no intent to cross post jsut using old laptop and a few problems.

New to this area, and if posted in wrong place apologies now.

Looking for a plastic suitable for existing vulcanised rubber spin cast moulds, that could be transformed to work with a new plastic option for spin cast moulding, and that has something like the following properties,

A 75D plastic, highly heat resistant. Will soften at around or close to 320F, but not be damaged (ideally finished product could be heated, dropped into water and repositioned. And would not shatter if dropped, or chip.

Any suggestions for the best type of plastic, type, brand name and if possible commercial sellers for such.

Thank you

 

[Franz_fladic]

maybe you can try to use PPS material, it could match your requirement.

 

[Brian Hill]

Soft materials with high temperature resistance is a tall order. (Probably why they were using vulcanized rubber.)
Maybe a TPE derived from nylon?

 

[nfmisso]

not PPS

maybe you can try to use PPS material, it could match your requirement.

PPS does not soften until well above 400°F. TPE or TPU might work. PMMA is another possibility. Look at materials used in FDM type 3D printers.

 

[sampeacock22]

I also recomended PMMA it will fulfill your requirement.

 

[angela]

You must learn the material feature, and according to your parts to choose the proper material, it's important to select the right material. If can, we can get the more discussion. Please send email to angela.you@kenmold.com

 

[Tord]

You need to be exact about the material that you use. Here is a site that can help you to with the proper material and also custom design what you need: http://www.sopranotech.com/products-plastic-injection.php
Good luck!

 

[nina]

PPS is very expensive , I think PPMA is ok