logo-icon
VANDIT POLYCRAFT PVT. LTD.
Processing Polymers Since 1987

Material PEI

About Polyetherimide (PEI)

Polyetherimide (PEI) is a high-performance amorphous thermoplastic polymer known for its outstanding thermal, mechanical, and chemical properties. With its inherent flame retardancy, excellent dimensional stability, and exceptional strength, PEI is widely used in aerospace, electronics, medical, and automotive industries. Often marketed under the trade name Ultem®, PEI provides an excellent balance of performance and processability.
pei-new-1

Properties of Polyetherimide (PEI)

properties-ptfe-1

Thermal Properties

Glass Transition Temperature: ~217°C
Continuous Use Temperature: Up to 170°C in most applications.
Thermal Stability: Excellent resistance to heat and flame.
properties-pctfe-1

Mechanical Properties

Tensile Strength: ~100–130 MPa (varies with grade).
Flexural Modulus: ~3.2–3.8 GPa.
Impact Resistance: High toughness with good resilience.
properties-pctfe-3

Chemical Properties

Resistant to hydrocarbons, alcohols, and dilute acids.
Hydrolysis Resistant: Ideal for repeated steam sterilization.
properties-pctfe-6

Electrical Properties

High dielectric strength, even at elevated temperatures.
Low dissipation factor for electronic applications.
properties-pctfe-5

Other Properties

Flame Retardancy: Inherently UL 94 V-0 rated.
Transparency: Available in translucent to opaque grades.

Specifications of Polyetherimide (PEI)

specifications-peek-icon-1

Material Type

High-performance amorphous thermoplastic polymer.
pctfe-icon-1

Density

~1.27 g/cm³.
specifications-peek-icon-3

Hardness

~85 Shore D.
specifications-peek-icon-4

Operating Temperature Range

-40°C to +170°C.
specifications-peek-icon-5

Availability

Sheets, rods, films, and custom-molded parts.

Premium PEI Components Manufacturer!

Get Your Quite or Call : +91 99788 23122

Contact with Us

Characteristics & Specialty of Polyetherimide (PEI)

Thermal Performance

Retains properties in high-temperature environments.

Chemical Resistance

Excellent resistance to solvents and hydrolysis.

Mechanical Strength

High rigidity and impact resistance.

Flame Resistance

Inherently non-flammable.

Dimensional Stability

Minimal shrinkage and deformation under stress.

Sterilization Capability

Suitable for medical applications.

Use Cases & Industrial Sector Applications

sector-apply-1

Aerospace

– Lightweight structural components.
– Insulators and connectors for aircraft systems.

Aerospace

automotive-industry

Automotive

– High-temperature electrical connectors and housings.
– Lightweight components for fuel-efficient vehicles.

Automotive

sector-apply-3

Medical and Healthcare

– Sterilizable surgical instruments and trays.
– Biocompatible devices and diagnostic equipment.

Medical and Healthcare

sector-apply-4

Electronics

– High-performance circuit boards and insulation.
– Dielectric components for precision electronics.

Electronics

sector-apply-2

Industrial Equipment

– Gears, bearings, and other wear-resistant parts.
– Components for high-temperature manufacturing processes.

Industrial Equipment

Other Applications

Energy

Parts for renewable energy systems and battery housings.

feature-image

Food Processing

FDA-compliant grades for food contact applications.

feature-image

Consumer Goods

High-performance parts in appliances and electronics.

feature-image

Scientific Research

Use in laboratory equipment exposed to high temperatures.

feature-image

Copyright @ 2025 Vandit Polycraft PVT. LTD. All Rights Reserved | Website developed By : Impex Infotech