Ultem from Stratasys (a grade of PEI) is used frequently in aerospace applications where high temperature / low flammability are required. http://www.stratasys.

Ultem from Stratasys (a grade of PEI) is used frequently in aerospace applications where high temperature / low flammability are required. http://www.stratasys.com/materials/fdm/~/media/83DA2BBEE7DE4A669CFEF6B1FCA118AA.ashx http://www.stratasys.com/materials/fdm/~/media/83DA2BBEE7DE4... There's always metal too.