

| Address: | PDS Enterprise Inc. 1650 West Artesia Blvd, Suite 278 Gardena, CA90248 |
| Phone: | 1-843-408-0142 |
| Email: | pdsenterprise@gmail.com sales@coolprototyping.com |

76. Which rapid prototyping materials have high heat tolerance?
Most rapid prototyping plastics materials with higher heat tolerance are from the SLS and CNC technologies. SLS plastics have a melting point of 184 C (365 F) or more, and Ultem, an amorphous polymer, has a Tg-Glass Transition temperature of 215 C (419 F). There are some temperature resistant SLA materials, but they tend to have very little elongation and are thus somewhat brittle.
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