Mylar Strip

Mylar Strip

Mylar Strip

Electrical insulation materials are often made using papers, resins, laminates and plastics, many of which are sourced, stocked and converted by Advanced Seals & Gaskets Ltd into products such as strips.  One example from our range of electrical insulation materials is Mylar, also known as BoPET (Biaxially-oriented polyethylene terephthalate), Melinex and Hostaphan which is a polyester film made from stretched polyethylene terephthalate (PET). Mylar Electrical insulation films are very thin and are measured in microns instead of mm like other plastics and are available in a choice of 12 to 500 microns and are manufactured in roll form at 914mm wide and in lengths of 25 meters up to 200 meters depending on thickness from which strips can be cut.

Mylar strips are also sometimes referred to as electrical insulation strips, insulation tapes, isolation strips or electrical tape.  These strips are all made to order, manufactured by our highly skilled workforce, using state of the art machinery including band saws, strippers, log cutters and even presses depending upon the size and quantity required.  In-house production allows us to closely oversee the whole production process to ensure that we consistently produce high quality product

Product Enquiry

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

    Characteristics of Mylar Electrical Insulation

    • Colour: transparent - milky white depending on grade
    • Thickness: 12 - 500 microns
    • Roll size: 914mm wide x 25 to 200mtrs (depending on thickness)
    • Resistances: moisture, solvents, oil and grease
    • Dielectric Strength: 7000 volts/mil
    • Flammability: certain grades offer  UL94 VTM-0 flame rating classification and are halogen-free.

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

    What are Mylar Strips?

    Mylar materials are a milky white coloured heat resistant polyester film, also recognised as BoPET (Biaxially-oriented polyethylene terephthalate), which is a flexible film which offers dielectric strength and moisture and chemical resistance (apart from alcohol) which will not become brittle under normal use. These electrical insulation strips are pieces of Mylar material are cut to pre-measured widths and lengths as requested by our customers, the lengths can be anywhere from just a few centimetres or in continuous coils of 10 metres or more which can be cut down into smaller pieces as and when needed where they are often used in the same way as a gasket  to fill gaps and create electrically insulating barriers.

    Why use Mylar Electrical Insulation?

    Mylar strips are ideal for use in an array of applications in the magnetic media, imaging and graphics, and packaging markets, however, more often found utilised within electronic and electrical applications as insulation components.    Mylar electrical insulation materials offer good ageing properties, are strong and flexible with a high tensile strength, flexibility, durability as well as dimensional stability.

    Mylar strips also demonstrate low moisture absorption, good dielectric properties and high thermal resistance, withstanding a temperature range of -70°C to +150°C.  Mylar electrical insulation strips, as with other electrically insulating materials, Mylar are used to restrict the flow of electric current, by supporting electrical conductors - without allowing the current to pass through.  Mylar electrical insulation materials can be supplied in full sized rolls and cut sheets or as finished strips and tapes which are bespoke manufactured upon request.

    Benefits of using Mylar Electrical Insulation

    •  Versatile and durable multipurpose PET plastic film
    •  Excellent resistance to water and most chemicals (not alcohol)
    • Operating temperature range of -70°C to +150°C
    •  impact and tear resistant
    • Electrically insulating
    • Can be manufactured in a choice of lengths and finishes
    • Thickness of 23 to 500 microns

    Types of Electrical Insulation Materials Available

    Advanced Seals & Gaskets work with a multitude of material manufacturers, allowing us to offer customers more choice of strip and ensuring we can offer a solution to just about any application, our most popular electrical insulation materials include:

    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℃.

    Kapton - is a polyamide film which offers a combination of mechanical and tear strength along with chemical, electrical and thermal properties that enables the gasket to withstand vibration and extreme temperatures in demanding environments.

    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℃.

    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.

    Valox is an excellent electrical insulation material which also offers flame retardant properties.

    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 Mylar Electrical Insulation Strips

    Mylar is a popular choice when it comes to producing strips and tapes for use as electrical insulation.  These strips offer a number of excellent properties making it suitable for use in printing, packaging, sealing as well as electrical applications. Just some of Mylars extensive list of desirable features include its resistance to moisture and many chemicals, it has a broad operating temperature range of -70°C to +150°C, will seal against gases, is generally strong, flexible, durable and long lasting.  Mylar electrical insulation strips and tapes can be manufactured in a number of thicknesses from  23 to 500 microns, and in lengths from just a few centimetres up to 200 metres, and in a choice of different grades including a fairly new  flame retardant variant.  Mylar electrical insulation  materials have a rough surface which helps with handling the strips and also holing adhesives in place securely.  Some popular uses for Mylar Electrical Insulation include cable insulations, heating elements, within solar panels, motors and aerospace.

    Have a Question About Mylar Strips?

    Please contact us using the form below or by calling us on +44(0)1384 252555.