PEI NATURAL GRADES

JTYPEI^?NA is a profile made of pure polyetherimide (PEI) material. PEI is an amorphous polymer with a glass transition temperature of up to 215°C. It has mechanical properties equivalent to PEEK, as well as excellent heat resistance, insulation properties, and flame retardancy.
The product can be used in environments with high stress, fatigue stress or impact stress in high temperature environments, such as auto parts or interior and exterior decoration, semiconductor processing, precision bearings, mechanical load-bearing components, wind power equipment or new energy battery components, electrical system.

Product Features

JTYPEI^?NA type pure PEI profiles:
● High tensile strength, the strength is above 110MPa.
● High bending strength, the strength is above 150MPa.
● Excellent thermomechanical load-carrying capacity, thermal deformation temperature is greater than 200℃.
● Good creep resistance and fatigue resistance.
● Excellent flame-retardant performance, low-smoke combustion.
● Excellent dielectric and insulation.
● Excellent dimensional stability, low thermal expansion coefficient.
● High heat resistance, can be used for a long time at 170℃.
● Can transmit microwave.

Application Fields

JTYPEI^?NA type PEI profiles can be applied:
—— Mechanical engineering industry；
—— Semiconductor and electronics industry；
—— Automobile industry；
—— Home appliance industry.

Instructions for Use

Machined by Lathes or Milling Machine.

Remove surface heat-treatment aged layers and the thickness of removal layer is 0.5-1mm.

Product Storage Instructions

Placed away from light, avoiding humid, and away from oily substance.
Packed with polymeric film when not use.

Product Technical Data

The performance of JTYPEI^?NA series products is as follows:

Performance	Test Method	Unit	NA
Color	Eye	/	Translucent amber
Density	ISO 1183-1	g/cm3	1.28
Tensile Strength	ISO 527-2	MPa	≥110
Tensile Modulus	ISO 527-2	GPa	≥3.1
Elongation At Break	ISO 527-2	%	≥10
Notched Charpy Impact Strength	ISO 179	KJ/m2	≥4.0
Flexural Strength	ISO 178	MPa	≥150
Flexural Modulus	ISO 178	GPa	≥3.1
Rockwell Hardness	ISO 2039-2	HRM	≥100
Glass Transition Temperature	ISO 11357-3	℃	215
Coefficient of Linear Thermal Expansion 20-100℃	ISO 11359-2	10^-6/K	≤60
Long Service Temperature	UL 746B	℃	170
Heat Deflection Temperature	ISO 75-2	℃	≥200
Water Absorption（23℃、Water、24h）	ISO 62	%	≤0.4
Flame Retardancy	UL 94	/	V-0
Volume Resistivity	IEC 61340-2-3	Ω?cm	10¹⁵-10¹⁷
Dielectric Strength	ASTM D149-20	kV/mm	≥26
Dielectric Constant	IEC 62631-2-1	1	3.4
Dielectric Loss	IEC 62631-2-1	1	5.44*10^-3

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