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PEI (ULTEM™)

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

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<p>Excellent dimensional stability</p>

Excellent dimensional stability

<p>Good UV and hydrolysis resistance</p>

Good UV and hydrolysis resistance

<p>Transparent to visible infrared and microwave radiation</p>

Transparent to visible infrared and microwave radiation

<p>Inherent flame retardancy</p>

Inherent flame retardancy

Physical Properties

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

Suppliers / Brands

Duratron®
Ensinger
TECAPEI
Polymer Industries
MECHETEC®
Rochling
SUSTAPEI