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VANDIT POLYCRAFT PVT. LTD.
Processing Polymers Since 1987

Material PI

About PI

Polyimide (PI) is a high-performance polymer known for its exceptional thermal stability, mechanical strength, and chemical resistance. Due to its ability to withstand extreme conditions, polyimide is widely used in aerospace, electronics, automotive, and industrial applications. Its versatility, combined with its remarkable properties, makes it a go-to material for critical and high-demand environments.
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Properties of Polyimide (PI)

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Thermal Properties

Glass Transition Temperature : ~143°C
Operating Temperature Range : -270°C to +400°C.
Thermal Stability : Excellent resistance to heat and fire.
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Mechanical Properties

Tensile Strength : ~100–200 MPa (depends on grade).
Flexural Modulus : High stiffness and dimensional stability.
Toughness : Excellent resistance to mechanical stress.
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Chemical Properties

Resistant to hydrocarbons, acids, and bases.
Low chemical reactivity and excellent barrier properties.
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Electrical Properties

Dielectric Constant : Low (ideal for insulating applications).
Dielectric Strength : Exceptional even at high temperatures.
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Other Properties

Flame Resistance : Self-extinguishing.
Low Outgassing : Suitable for vacuum applications.
Transparency : Available in both opaque and semi-transparent forms.

Specifications of Polyimide

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Material Type

High-performance thermosetting or thermoplastic polymer.

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Density

~1.35–1.45 g/cm³.

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Hardness

~85–90 Shore D (varies with formulation).

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Operating Temperature Range

-270°C to +400°C.

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Availability

Films, coatings, molded parts, laminates, and fibers.

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Characteristics & Specialty of Polyimide

Thermal Stability

Exceptional performance in high-temperature environments.

High Dielectric Properties

Ideal for electrical insulation.

Chemical Resistance

Inert to most chemicals and solvents.

Lightweight and Durable

Strong yet lightweight alternative to metals.

Low Creep and Deformation

Retains shape under mechanical stress.

Biocompatibility

Suitable for medical-grade applications.

Use Cases & Industrial Sector Applications

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Aerospace

– Insulation materials for aircraft wiring and components.

– High-performance composites for structural parts.

Aerospace

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Electronics

– Flexible printed circuit boards (FPCBs).
– Dielectric layers for microelectronics.
– Insulation for high-voltage equipment.

Electronics

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Automotive

– High-temperature seals and gaskets.
– Insulating materials for electric vehicle batteries.
– Components in engine and exhaust systems.

Automotive

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Medical and Healthcare

– Biocompatible coatings for implants and devices.
– Precision components for diagnostic equipment

Medical and Healthcare

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Industrial Equipment

– Bearings, bushings, and wear-resistant parts.
– Heat-resistant components for manufacturing machinery.

Industrial Equipment

Other Applications of PCTFE

Energy

Components for solar panels and wind turbines.

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Space Exploration

Thermal insulation for satellites and spacecraft.

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Food Processing

FDA-compliant grades for high-temperature cooking systems.

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Research and Development

Use in high-performance laboratory equipment.

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3D Printing

Advanced material for high-precision additive manufacturing.

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