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| JTYPEI® GF30 is a 30% glass-fiber-reinforced polyetherimide rod developed for structural and electrical components requiring higher stiffness, lower thermal expansion and improved dimensional stability. Typical applications include battery-system supports, high-voltage insulating components, charging-equipment parts, wind-power electrical components, sensor supports and precision structural parts. PEI GF30 rods are available in diameters from Ø8 to Ø200 mm and standard lengths of 1,000 mm, 2,000 mm and 3,000 mm. SABIC ULTEM™ 2300 resin, cut-to-length supply, annealing and precision CNC machining are available according to project requirements. | |||||||||
JTYPEI® GF30 is a polyetherimide material reinforced with 30% short glass fiber. It is designed for components requiring greater stiffness, mechanical strength and dimensional stability than natural unfilled PEI.
The glass-fiber reinforcement significantly reduces thermal expansion and improves resistance to deformation under static load and repeated temperature changes.
These characteristics make JTYPEI® GF30 suitable for structural and electrically insulating components used in battery systems, charging equipment, wind-power systems, electrical equipment and industrial new-energy machinery.
When specified by the customer, JTYPEI® GF30 rod can be manufactured using SABIC ULTEM™ 2300 resin with applicable resin traceability and supporting documentation.
ULTEM™ is a trademark of SABIC.
The 30% glass-fiber reinforcement increases the tensile and flexural performance of PEI.
JTYPEI® GF30 is suitable for supports, spacers, brackets, bushings and structural components that must resist deformation under mechanical load.
It is particularly useful when natural PEI does not provide sufficient rigidity but electrical insulation and flame resistance are still required.
PEI GF30 has a substantially lower coefficient of linear thermal expansion than natural unfilled PEI.
This helps components maintain dimensional accuracy during temperature changes, repeated heating and cooling, equipment start-up and long-term operation.
Lower thermal expansion is beneficial for assemblies containing metal inserts, sensors, connectors or tightly positioned components.
The combination of glass-fiber reinforcement, low moisture absorption and good creep resistance helps finished components maintain stable dimensions.
For parts with tight tolerances, controlled machining allowances, rough machining, intermediate annealing and final machining may be recommended.
JTYPEI® GF30 can provide long-term service at approximately 170–180°C, depending on mechanical load, chemical exposure, pressure, component geometry and other operating conditions.
Its heat deflection temperature is typically above 200°C.
These temperatures are material reference values and should not be treated as guaranteed operating limits for every finished component.
PEI GF30 retains good volume resistivity and dielectric strength while providing higher structural stiffness than natural PEI.
It can be used for components that perform both mechanical-support and electrical-insulation functions.
Electrical performance must be confirmed according to component thickness, voltage, frequency, temperature, moisture and the finished-part design.
PEI is inherently flame-resistant in many standard formulations.
PEI GF30 can achieve UL94 V-0 performance depending on the resin grade, product thickness and test conditions.
The final component must be evaluated according to the applicable flame, smoke, electrical and industry-specific requirements.
