Physical Properties of Ultem

Physical Properties of Polyetherimide (Ultem^® 1000) [a] (no glass fill)

PROPERTY

ASTM METHOD
TYPICAL VALUE

Mechanical
Specific Gravity
D792
1.27 sp gr 23/23° C

Water Absorption @ 24hrs. 73°F (23°C)
@ Equilibrium. 73°F (23°C)

D570

0.25%
1.3%

Tensile Strength @ Yield
Tensile Modulus
Tensile Elongation @ Break
Tensile Elongation @ Yield

D638
16,000 psi
520,000 psi
60%
7%

Flexural Strength @ Yield (4.00 in Span)
Flexural Modulus (4.00 in Span)

D790

24,000 psi
510,000 psi

Compressive Strength
Compressive Modulus

D695

21,900 psi
480,000 psi

Taber Abrasion Resistance,
(CS-17 Wheel, 1000 gm, 1000 Cycles)

D1044 10.0 mg

Izod Impact Strength, Notched (73° F)
Unnotched Izod Impact (73° F)
Reverse Notch Izod Impact (73° F)
Gardner Impact (73° F)

D256

1.0 ft.lbs/in.
25.0 ft.lbs/in.
25 ft.lbs/in.
324 in-lb

Rockwell Hardness

D785 109 ("M" Scale)

Thermal

Deflection Temperature
   @66 psi, Unannealed (0.250 in)
   @264 psi, Unannealed (0.250 in)

D648

410 °F
394 °F

Coefficient of Thermal Exlpansion
D696
3.1 x 10^-5in/in-°F

Vicat Softening Point (Rate B)
D1525
426 °F

Thermal Conductivity
C177
1.5 BTU-in/hr-ft²

CLTE, Flow (0 to 300° F)
CLTE, Transverse (0 to 300° F)

D696
3.1E-005 in/in/°F
3.0E-005 in/in/°F

Electrical

Dielectric Strength:
    In Oil (0.125 in)
    In Oil (0.0620 in)
    In Air (0.0620 in)

D149

500 V/mil
710 V/mil
831 V/mil

Dielectric Constant:
    (1000 Hz)
    (100 Hz)

D150
3.150
3.150

Dissipation Factor:
(2,000,000,000 Hz)
(1000 Hz)
(100 Hz)

D150

0.0025
0.0012
0.0015

Volume Resistivity
D257
1.0 x 10¹⁷ohm-cm

NOTES:

[a] ULTEM® is a registered trademark of General Electric Company.

Important: The information and statements contained herein are not to be taken as a warranty or representation for which MicroAdvances assume legal responsibility nor as permission, invention without a license. The information is offered solely for your consideration, investigation and verification. Users should perform their own testing and verification to determine the applicability and suitability of the information and any products for their own particular purpose.

Physical Properties of Polyetherimide (Ultem^® 1000) [a] (no glass fill)
PROPERTY		ASTM METHOD	TYPICAL VALUE
Mechanical	Specific Gravity	D792	1.27 sp gr 23/23° C
	Water Absorption @ 24hrs. 73°F (23°C) @ Equilibrium. 73°F (23°C)	D570	0.25% 1.3%
	Tensile Strength @ Yield Tensile Modulus Tensile Elongation @ Break Tensile Elongation @ Yield	D638	16,000 psi 520,000 psi 60% 7%
	Flexural Strength @ Yield (4.00 in Span) Flexural Modulus (4.00 in Span)	D790	24,000 psi 510,000 psi
	Compressive Strength Compressive Modulus	D695	21,900 psi 480,000 psi
	Taber Abrasion Resistance, (CS-17 Wheel, 1000 gm, 1000 Cycles)	D1044	10.0 mg
	Izod Impact Strength, Notched (73° F) Unnotched Izod Impact (73° F) Reverse Notch Izod Impact (73° F) Gardner Impact (73° F)	D256	1.0 ft.lbs/in. 25.0 ft.lbs/in. 25 ft.lbs/in. 324 in-lb
	Rockwell Hardness	D785	109 ("M" Scale)
Thermal	Deflection Temperature @66 psi, Unannealed (0.250 in) @264 psi, Unannealed (0.250 in)	D648	410 °F 394 °F
	Coefficient of Thermal Exlpansion	D696	3.1 x 10^-5in/in-°F
	Vicat Softening Point (Rate B)	D1525	426 °F
	Thermal Conductivity	C177	1.5 BTU-in/hr-ft²
	CLTE, Flow (0 to 300° F) CLTE, Transverse (0 to 300° F)	D696	3.1E-005 in/in/°F 3.0E-005 in/in/°F
Electrical	Dielectric Strength: In Oil (0.125 in) In Oil (0.0620 in) In Air (0.0620 in)	D149	500 V/mil 710 V/mil 831 V/mil
	Dielectric Constant: (1000 Hz) (100 Hz)	D150	3.150 3.150
	Dissipation Factor: (2,000,000,000 Hz) (1000 Hz) (100 Hz)	D150	0.0025 0.0012 0.0015
	Volume Resistivity	D257	1.0 x 10¹⁷ohm-cm