SABICPolyetherimide (PEI) is a super engineering plastic made from amorphous polyetherimide, offering high-temperature resistance, dimensional stability, chemical resistance, flame retardancy, electrical properties, high strength, high rigidity, and more. PEI resin is widely used in high-temperature terminals, IC sockets, lighting equipment, FPCB (flexible printed circuit boards), liquid transport equipment, aircraft interior parts, medical devices, and household appliances.

Ultem (PEI) Polyetherimide
is a non-crystalline thermoplastic polyetherimide material that combines the excellent heat resistance and mechanical strength of imide groups with the good moldability of ether.
Characteristics:
1. Excellent flame retardancy—oxygen index above 47, low smoke emission, UL 94 VO/5VA
2. Excellent electrical properties—maintains stable dielectric constant and loss over a wide range of temperatures and frequencies, with high dielectric strength
3. Excellent heat resistance—heat deflection temperature exceeds 200°C, long-term use temperature above 170°C
4. High strength, high rigidity, wear resistance, and dimensional stability at high temperatures.
5. Excellent mechanical strength, electrical insulation, radiation resistance, high and low-temperature resistance, fatigue resistance, and processability; can be reinforced with glass fibers, carbon fibers, or other fillers. Eco-friendly/Green

Overall
Material Status

Commercial: Currently active
Supply Regions

North America
Characteristics

ECO Compliant
Appearance

Clear/Transparent
Processing Methods

Extrusion Blow Molding
Injection Molding
Physical Properties
Rating

Unit System

Test Method

Specific Gravity

1.27

g/cm3

ASTM D792
Melt Flow Rate (337°C/6.6 kg)

9.0

g/10 min

ASTM D1238
Shrinkage - Flow (3.20 mm)

0.50 to 0.70

%

Internal Method
Water Absorption

ASTM D570
24 hr

0.25

%

Equilibrium, 23°C

1.3

%

Hardness
Rating

Unit System

Test Method

Rockwell Hardness (M Scale)

109


ASTM D785
Mechanical Properties
Rating

Unit System

Test Method

Tensile Modulus3

3590

MPa

ASTM D638
Tensile Strength? (Yield)

110

MPa

ASTM D638
Elongation?

ASTM D638
Yield

7.0

%

Break

60

%

Flexural Modulus? (100 mm Span)

3520

MPa

ASTM D790
Flexural Strength? (Yield, 100 mm Span)

165

MPa

ASTM D790
Poisson's Ratio

0.36


ASTM D638
Taber Abrasion (1000 Cycles, 1000 g, CS-17 Wheel)

10.0

mg

ASTM D1044
Impact Properties
Rating

Unit System

Test Method

Notched Izod Impact (23°C)

53

J/m

ASTM D256
Unnotched Izod Impact (23°C)

1300

J/m

ASTM D4812
Reverse Notch Impact (3.20 mm)

1300

J/m

ASTM D256
Dart Drop Impact (23°C)

36.6

J

ASTM D3029
Introduction to Ultem: