PEI

Polyetherimide

It Has Good Mechanical Properties And Heat Resistance, Strong Creep Resistance, Excellent Dimensional Stability, The Best Torsional Strength Plastic, And Continuous Work In High Temperature Water And Steam Is Also Very Stable. Long Service Temperature 170°C. Meet The Requirements Of Biocompatibility And Food Grade Materials.

Physical Property Table Physical Property Table download

Advantage

Characteristic：

Excellent Dimensional Stability, Electrical Insulation, Flame Retardant, Less Burning Smoke, High Temperature Resistance, Radiation Resistance, High Mechanical Properties.

Information

Shape		Colour

Plate	Bar	Black	Natural Color

plate
Thickness（mm）	Breadth（mm）	Length（mm）
6-100	610	1220

Bar
Diameter（mm）	Length（mm）
6-150	1000

Mechanical Properties

Specific gravit	ASTM D792	g/cm3	1.27
Tensile yield strength	ASTM D638	Mpa	110
Breaking elongation	ASTM D638	%	10
Bending strength	ASTM 790	Mpa	150
Flexural modulus	ASTM 790	Mpa	3000
Shore hardness	ASTM D2240		90
Impact strength	ASTM D256	J/M	40

Thermal Properties

Melting point	DSC	°C	215
Heat distortion temperature	ASTM D648	°C	210
Operating temperature	-	°C	170
Maximum operating temperature	-	°C	200
Themmal conductivity	DIN 52612-1	W/(K-M)	-
Coefficient of linear themal	ASTM D696	Um/m/k	3

Electrical Properties

Dielectric strength	ASTM D150	KV-mm	27
Dielectric loss factor	ASTM D150	-	0.09
Volume resistivit	ASTM D257	Ω.cm	10¹⁴
Surface resistivity	ASTM D257	Ω	10¹⁶
Dielectric constant	ASTM D149	-	3

Chemical Properties

Water absorption	23°C 60%RH	%	0.02
Acid resistance	23°C 60%RH		+
Alkali resistance			+
Acid and alkali resistance			+
Resistance to sodium chlorate			+
Resistance to aromatic compounds			+
Resistance to ketone	23°C 60%RH		_
Resistance to hot water	23°C 60%RH		+