{"id":3513,"date":"2022-06-08T17:00:00","date_gmt":"2022-06-08T15:00:00","guid":{"rendered":"https:\/\/mi.addevmaterials.com\/?p=3513"},"modified":"2025-07-24T13:17:30","modified_gmt":"2025-07-24T13:17:30","slug":"what-are-the-different-types-of-electrical-insulation-2","status":"publish","type":"post","link":"https:\/\/addevmaterials.com\/converting\/what-are-the-different-types-of-electrical-insulation-2\/","title":{"rendered":"What are the different types of electrical insulation?"},"content":{"rendered":"\t\t
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What are the different types of electrical insulation?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Accueil<\/a><\/span><\/span>\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Electrical insulators are used in many applications b<\/span>ecause they prevent the passage of electrical current between two conductors. Below are the different electrical insulation solutions offered by ADDEV Materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Technical insulating films<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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These thin (<0.5mm) insulating polymer films, available in rolls, formats or cut peices, have a variable composition and applications<\/p>

Examples:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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  • Polyester films Mylar\u00ae, Lumirror\u00ae: PET, marketed in several thicknesses, compatible with custom cutting. It is a very good dielectric, ideal for a very wide range of applications\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (-70\u00b0C to +150\u00b0C).<\/li>
  • Polyester films Kapton\u00ae polyimide films: PI, this high performance material is intended for high temperature dielectric use\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 (up to 400\u00b0C in short term thermal peak)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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    Flexible electrical insulating papers<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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    These insulating papers are less tahn 1mm thick; single-film or polymers, or made of fibers, compressed, or in non-woven form, or evan an assembly of these two designs.<\/p>

    Examples:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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    • Nomex\u00ae papers and boards: based on aromatic polyamide for excellent thermal stability, good dielectric rigidity and high mechanical strength\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 Typical use: transformers, generators, hybrid vehicles<\/li>
    • Nokamex\u00ae laminates: assembly of a Kapton\u00ae polyimide film and Nomex\u00ae aramid paper<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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      Adhesive insulators<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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      Adhesive electrical insulators are flexible materials, in the form of rolls, with support; papers; films; glass fabrics or foams and coated with an adhesive mass.<\/p>

      There are mainly 5 types of insulating supports intended to receive one of the 3 types of adhesive mass, on 1 or 2 faces.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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      3 types of adhesive masses:<\/h5>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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      • Rubber adhesive mass insulators: the most adhesive at low temperatures<\/li>
      • Insulators with acrylic adhesive mass: the most versatile<\/li>
      • Silicone adhesive mass insulators: for high temperatures<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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        Important to note: Silicone adhesives have a particularly excellent resistance to extreme temperatures. Logically, silicone adhesives are therefore reserved for high-temperature insulating materials such as Kapton\u00ae or Teflon\u00ae.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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        Strengths<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        Weaknesses <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        Application Examples<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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        Rubber<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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        • High Tack<\/li>
        • Versatility<\/li>
        • Low Cost<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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          • Low resistance to high and low temperatures and chemical aggression<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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            • Small transformers, mechanical process maintenance…<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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              Acrylic<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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              • Increasing adhesive strength over time<\/li>
              • High final adhesion<\/li>
              • Mechanical resistance<\/li>
              • Resistance to UV, cold, humidity, solvents…<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                • Intermediate initial adhesion<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                  • Transformers, motors, mechanical maintenance under 150\u00b0C<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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                    Silicone<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                    • Resistance to extreme temperatures<\/li>
                    • Excellent adhesion on siliconized materials<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                      • Low initial adhesion<\/li>
                      • Low resistance to hydrocarbons and plasticizers<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                        • Extreme temperature applications<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                          5 types of insulating materials<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                          • PET polyester films<\/li>
                          • Glass fabrics<\/li>
                          • Nomex\u00ae papers<\/li>
                          • Kapton\u00ae polyimide films<\/li>
                          • Teflon\u00ae fluorinated films<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                            In addition to being known for their non-stick properties, fluoropolymers (PTFE, FEP, PFA, etc…) have much better dielectric properties than other materials.<\/p>

                            Example:<\/p>

                            Among the different types of fluoropolymer films, single-sided PTFE Teflon\u00ae tapes coated with a silicone adhesive mass, have high dielectric strength, high chemical resistance and excellent temperature resistance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                            2 types of adhesives: single or double sided<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                            An adhesive tape can be covered with an adhesive mass on one or both sides, depending on its use.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                            • Double sided: assembly function (in addition to the electrical insulation provided by the backing)<\/li>
                            • Single-sided: protection, sliding… (in addition to the electrical insulating side provided by the support)<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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                              \u00a0<\/p>

                              Example:<\/p>

                              Kapton\u00ae type double sided tapes are composed of a polyimide film covered on both sides with a high temperature silicone adhesive mass. This product is ideal for electronic and electrical applications.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                              Rigid laminated insulation<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                              This range consists of rigid materials, in the form of tubes or boards (thickness 0.1mm to several centimeters), designed by a n assembly of several layers:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                              • Insulating resin: phenolic, polyester, epoxy, or silicone<\/li>
                              • Added reinforcements: papers, glass mat or polyester, glass cloth, mica…<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                                This method combines the properties of different electrical insulators to design thick and machinable materials.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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                                Liquid insulators<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                                It is also possible to ensure the electrical insulation of hollow or difficult to access areas by using materials in liquid form, such as varnishes, mastics, and impregnation resigns<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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                                  A specific need?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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                                  Our teams will answer you as soon as possible<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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                                  What are the different types of electrical insulation? Because they prevent the passage of electrical current between two conductors, electrical insulators are used in many applications. Below are the different electrical insulation solutions offered by ADDEV Materials. Technical insulating films These thin (<0.5mm) insulating polymer films, available in rolls, formats or cut peices, have a […]<\/p>\n","protected":false},"author":1,"featured_media":3521,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-3513","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-marche"],"yoast_head":"\nWhat are the different types of electrical insulation? - ADDEV Materials Converting<\/title>\n<meta name=\"description\" content=\"Electrical insulators are used in many applications. 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