Kapton Electrical Insulation

Advanced Seals & Gaskets Ltd are predominantly recognised for their wide range of sponge, foam and rubber products, however we also pride ourselves in being able to also offer a number of specialist fibre, resin, plastic and paper based materials and products designed for specific applications such as electrical insulation, including kapton electrical insulation.

One of our electrical insulation materials is Kapton, a polyimide film excellent for use in electrical insulation applications with outstanding thermal, mechanical, chemical and electrical properties. Kapton film is manufactured in roll form and in thicknesses from 23 to 125 micron.

These rolls can be laminated with an adhesive coating prior to being converted into finished products using methods such as die-cutting or thermoforming, alternatively they can be cut using a slitter or log cutter, producing coils or strips of film or tape.

Product Enquiry

For information on Kapton Electrical Insulation please complete the following quick enquiry or call us on +44(0)1384 252555.

    Key Characteristics of Kapton Electrical Insulation

    • Colour: Amber
    • Density: 1.42 g/cc
    • Thickness: 23 micron to 125 micron
    • Dielectric Strength: 8000 volts
    • Temperature Range: -269°C to 400°C
    • Flammability: UL-94 V-0 (self-extinguishing)
    • Resistances: acids, oils, organic solvents

    Full technical data can be supplied upon request,
    or downloaded from our online portal.

    Help and guidance

    If you would like to speak to a representative to discuss your specific application or requirements please call our sales office direct on 01384 469100, alternatively you can send an E-mail. Simply click on the link and forward us your details along with your question and we will contact you immediately.

    Samples - Technical Kapton Electrical Insulation

    Samples can be submitted for testing upon request.

    Call now for sample requests or further help.

    What Is Kapton Electrical Insulation?

    Kapton electrical insulation is a polyamide film, which also goes by its chemical name ‘poly 4,4'-oxydiphenylene-pyromellitimide’ - this film is produced using (PMDA) pyromellitic dianhydride and 4,4’ oxydiphenylamine (ODA).

    This formulation produces the Amber coloured film used in many extreme temperature electrical insulation applications on items such as circuit boards, transformers, motors and fiber optics.

    Why Use Kapton Electrical Insulation?

    As well as having excellent electrical insulation properties, Kapton also demonstrates temperature stability, flame and chemical resistance and mechanical strength. This high quality material with its unique property combination makes for the perfect material to use within aircraft and aerospace applications. Kapton film is manufactured in various grades and thicknesses between 23 to 125 micron and can be supplied in full rolls, sheets or pre-cut finished usable components.

    Benefits Of Using Kapton Electrical Insulation

    • Temperature stability between 269 °C to 400 °C
    • Electrically insulating
    • Resistance to chemicals such as organic solvents and strong acids
    • UL-94 V0 classified - high flame resistance and self-extinguishing
    • Abrasion, tear and puncture resistance
    • UV and Gamma radiation resistant

    Other Types of Electrical Insulation Materials Available

    Advanced Seals & Gaskets work with a multitude of material manufacturers and suppliers, giving our customers more choice of electrical insulation materials- some of the most popular being:

    Epoxy Glass - a green coloured material with good mechanical strength, good chemical, electrical and radiation resistance, low moisture absorption and a working temperature range of upto +120℃.

    Valox - Valox electrical insulation offers dielectric strength, electrical properties, an operating temperature range of -40°C to 130°C and resistance to a wide variety of chemicals including hydrocarbons, dilute acids and bases, detergents and aqueous salt solutions. Valox materials like other plastics offer high-strength and impact resistance, good flexibility, and a resistance to shrinkage.

    Leatheroid - is a grey/blue coloured paper gasket material, also sometimes called Elephantide. This material is used within the electrical industry to insulate hot elements.

    MICA - is a mineral based sheeting material which has excellent mechanical performances, is resistant to chemicals and provides electrical and therm insulation. MICA gaskets are often used to replace asbestos as they can withstand extremely high temperatures of up to 1000℃.

    MYLAR is an extremely strong, flexible polyester film. MYLAR is an excellent insulation material with dielectric strength, moisture resistance and is an excellent insulation material.

    Nomex can be manufactured using nomex paper or nomex board, it can withstand high temperatures, has high mechanical and dielectric strength, and is an excellent insulation material for all kinds of electrical equipment and applications.

    Presspahn is a brown coloured material, manufactured using kraft wood pulp. Presspahn sheets have excellent physical and mechanical properties, generally used as electrical insulation.

    SRBF is resin bonded fibre material which is tough and rigid, with an operating temperature of 120℃, low water absorption and is resistant to wear, impact chemicals.

    SRBP (synthetic resin bonded paper) is manufactured using layers of paper and synthetic resins. This material is suited to high and medium voltage application. SRBP has good mechanical and excellent electrical insulation properties, with low water absorption.

    PTFE is a non- conductive plastic material used to produce electrical insulation sheets. PTFE sheets are suitable for high temperature applications and have a high melting temperature. This material has excellent dielectric properties and can be often found used in circuit boards.

    PVC is a tough, lightweight abrasion, chemical and moisture resistant material which has good dielectric strength making it a great material to use for electrical insulation applications.

    Advantages Of Using Kapton Electrical Insulation

    Kapton demonstrates a number of advantageous properties making it a high quality material with an outstanding performance.

    Kapton electrical insulation films are often found utilised within aircraft, aerospace, rail and automotive applications, where properties such as mechanical strength (resistance to abrasion, tear and puncture), high dielectric strength, chemical resistance and fire resistance are crucial.

    Kapton polyamide films are highly durable, capable of maintaining it’s mechanical properties and withstanding vibration and extreme temperature ranging from -269°C through to +400°C. Katon Films are manufactured in a number of grades with varying levels of resistance, each of which can further be converted using our state of the art on site facilities where we can produce finished products including pads, gaskets, sheets, strips, tapes and washers in a plain or self-adhesive backed finish.

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