PEI (ULTEM™)

PEI (Polyetherimide) is an amorphous engineering thermoplastic tremendous mechanical, thermal and electrical properties.

Excellent dimensional stability

Good UV and hydrolysis resistance

Transparent to visible infrared and microwave radiation

Inherent flame retardancy

	UNITS	ASTM TEST	PEI
Tensile strength @ break @ 73°F	psi	D638	10700 – 15600
Flexural modulus @ 73°F	psi	D790	16700 – 25700
Izod impact (notched)	ft-lbs/in of notch	D256	0.38 – 1.4
Deflection Temperature Under Load @ 264 psi	°F	D648	385 – 446
Water absorption @ 73°F – 24 hours	%	D570	0.25 – 0.27
Compressive strength	psi	D695	102 – 22600
Coefficient of linear thermal expansion (CLTE)	(in/in°F)	D696	3.0E-5 to 3.1E-5
Coefficient of friction		D1894	0.23 – 0.30
Taber Abrasion Resistance	mg	D1044	9.25 – 10.7

Duratron®

Ensinger

TECAPEI

Polymer Industries

MECHETEC®

Rochling

SUSTAPEI

About PEI (ULTEM™)