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    Flexible electrical insulating films

    DM

    Flexible electrical insulating laminate can be satured (DM S) or non saturared (DM I) by resin.

    DM is a two layer laminate made by a polyester film, which gives the product mechanical and dielectric characteristics, and a woven – non-woven polyester which gives thermal resistance

    DM I – Two layers flexible insulating laminates, used for the insulation of electric motors and transformer in thermal class B (130 °C).
    DM S – Two layers flexible insulating laminates, used for the insulation of electric motors and transformer in thermal class F (155 °C). UL CERTIFIED .

    El DM I is made laminating a PET film to a PET non-woven highly calendered, bonded with a solvent-less glue at controlled reticulation, according to ASTM D1830 standard.
    El DM S is made laminating a PET film to a PET non-woven highly calendered, impregnated with epoxy-resin, bonded with a solvent-less glue at controlled reticulation, according to ASTM standard.

    Available special colours, contact us.

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm.

    Technical Details DM I:

    Thermal Class [°C]             Class B (130)
    Total thickness [mm]             0.19, 0.23, 0.3, 0.35, 0.41
    Film thickness [micron]             125, 190, 250, 300, 350

    Technical Details DM S:

    UL CERTIFIED

    Thermal Class [°C]             Class F (155)
    Total thickness [mm]             0.19, 0.23, 0.3, 0.35, 0.41
    Film thickness [micron]             125, 190, 250, 300, 350
    Dielectric strength [Kv/mm]         10, 14, 16, 18

    DMD

    Flexible electrical insulating laminate can be satured (DMD S) or non saturared (DMD I) by resin used for the insulation of electric motors and transformer in thermal class B (130 °C) and F (155° C). BOTH VERSIONS ARE UL CERTIFIED

    DMD is made laminating a PET film into two layers of PET non-woven highly calendered, bonded with a solvent-less glue at controlled reticulation, according to standard ASTM D1830.

    Flexible insulating laminates  DMD I are produced by laminating three layers of polyester film which gives the product mechanical and dielectric strenght with two layers of non-woven polyester which provide thermal resistance.

    Flexible insulating laminates DMD S are produced by laminating three layers of polyester film which gives the product mechanical and dielectric strenght with two layers of non-woven polyester impregnated with epoxy resin, which give thermal strength.

    Different colours available
    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm.

    Technical Details

    UL CERTIFIED

    DMD I
    Thermal Class [°C]        Class F (155)
    Total thickness [mm]        0.087 , 0.1 , 0.14 , 0.17 , 0.19 , 0.22 , 0.29 , 0.34 , 0.44
    Film thickness [micron]         23 , 36 , 50 , 75 , 100 , 125 , 190 , 250 , 350
    Dielectric strength [Kv/mm]    5 , 6 , 7 , 9 , 10 , 15 , 18 , 22

    DMD S
    Thermal Class [°C]        Class F (155)
    Total thickness [mm]        0.091 , 0.11 , 0.15 , 0.18 , 0.2 , 0.23 , 0.3 , 0.35 , 0.45
    Film thickness [micron]         23 , 36 , 50 , 75 , 100 , 125 , 190 , 250 , 350
    Dielectric strength [Kv/mm]    5 , 6 , 7 , 9 , 10 , 15 , 18 , 23

    FILMTERM NM

    The product is used for the insulation of electrical windings in class F (155 °C) electric motors and transformers. UL CERTIFIED

    FILMTERM NM is made laminating a PET film to one layer of aramid paper, bonded with a solvent-less glue at controlled reticulation, according to ASTM D1830 standard.

    FILMTERM NM is a two layers laminate, the PET film giving the product mechanical and dielectric features, while the layer of aramid paper is giving the thermal resistance.

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm.

    Technical Details

    UL CERTIFIED

    Thermal class             Class F (155)
    Total thickness [mm]         0.13 , 0.16 , 0.18 , 0.25 , 0.31 , 0.35 , 0.4
    Film thickness [micron]         75 , 100 , 125 , 190 , 250 , 300 , 350
    Dielectric strength         7 , 9 , 10 , 15 , 18 , 20 , 22

    FILMTERM NMN

    The product is used for the insulation of electrical windings in class F (155 °C) electric motors and transformers.and can be consired into a insulating systems class H (180°C). UL CERTIFIED

    FILMTERM NMN is made laminating a PET film to two layers of aramid paper (40-50 µm), bonded with a solvent-less glue at controlled reticulation, according to ASTM D1830 standard.

    FILMTERM NMN is a three layers laminate, the PET film giving the product mechanical and dielectric features, while the two layers of aramid paper are giving the thermal resistance.

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm

    Technical details:

    UL CERTIFIED

    Thermal class [°C]        Class F (155) H (180°C)
    Total thickness [mm]         0.17 , 0.19 , 0.22 , 0.24 , 0.31 , 0.37 , 0.42 , 0.47
    Film thickness [micron]         50 , 75 , 100 , 125 , 190 , 250 , 300 , 350
    Dielectric strength [Kv/mm]     6 , 11 , 12 , 14 , 19 , 23 , 28

    FPF

    The product is used for the phase insulation of electric motors in class F (155 °C).

    FPF is made laminating a PET film to two layers of special PET non-woven (105 µm), bonded with a solvent-less glue at controlled reticulation, according to ASTM D1830.

    FPF is a three layers laminate, the PET film giving the product mechanical and dielectric features, while the special non woven is giving the thermal resistance and, especially, excellent impregnability

    Adhesive version available.

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm

    Technical details:

    Thermal class             Class F (155)
    Total thickness [mm]         0.26 , 0.28 , 0.32 , 0.35 , 0.39
    Film thickness [micron]         50 , 75 , 100 , 125 , 190
    Dielectric strength         5 , 6 , 8 , 9 , 13

    KP

    The product is a laminate of two layers, consisting of a polyester film (23 microns to 250 microns) to a Kraft paper (50 microns thickness).

    The product is used for the insulation of electric motors slots and phase insulation, due to its good impregnability; it is used also in transformer windings rated class B (130 °C)

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm

    Technical details:

    Thermal class             Class B (130)
    Total thickness [mm]         0.13 , 0.15 , 0.18 , 0.25 , 0.3
    Film thickness [micron]         75 , 100 , 125 , 190 , 250
    Dielectric strength         7 , 9 , 10 , 15 , 18

    KPK

    KPK is made laminating a PET film (23 µm to 250 µm) to two layers of Kraft paper (50 µmx)  KPK is a three layers laminate, the PET film giving the product mechanical and dielectric features, while the Kraft paper is giving the thermal resistance.

    KPK, compared to KP, offers a better impregnability, and improves the insulation of slots and phase in electric motors; it is used also in transformers windings rated class B (130 °C)

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm

    Technical details:

    Thermal class             Class F (155)
    Total thickness [mm]         0.13 , 0.15 , 0.18 , 0.2 , 0.23
    Film thickness [micron]         23 , 50 , 75 , 100 , 125
    Dielectric strength         4 , 8 , 9 , 11 , 13

    POLISTRAT

    Multiple layers flexible insulating laminates, mainly used for the physical and dielectrical separation between primary and secondary low and high voltage coils in cast resin transformer, thermal class F (155 °C).

    The product is made laminating several PET films, solidly bonded with a solvent-less glue at controlled reticulation, according to ASTM D1830 standard.

    The product can be supplied cut in rolls, sheets or die-cut pieces according to customer specs.
    Core internal diameter: 76 or 152 mm

    Technical details:

    Thermal class             Class F (155)
    Total thickness [mm]         0.5 , 0.8 , 1 , 1.2 , 1.5
    Film thickness [micron]         500 , 750 , 1000 , 1200 , 1400
    Dielectric strength         36

    OTHER FLEXIBLE LAMINATES:

    NKN

    Flexible laminate insulation based in one kapton layer beetwen two Nomex® layers.

    At SERTEK, we have big range of materials and products. Thank to our partners, we are able to laminate uncommon materials as copper/PET, ALU/PET, fenòlic paper, glasscloth, foam, aramid paper, Poliimide film…

    Check your project with us, we’ll give you an answer.

    NMV

    Flexible laminate insulation based on one layer of uncalendred aramid paper (eg. Nomex), one layer of polyester film (eg. Mylar) and one layer of glass fabric.

    At SERTEK, we have big range of materials and products. Thank to our partners, we are able to laminate uncommon materials as copper/PET, ALU/PET, fenòlic paper, glasscloth, foam, aramid paper, Poliimide film…

    Check your project with us, we’ll give you an answer.

    ® Trade Mark by Dupont.

    We shall provide you promptly with information in more detail or suggest solutions for other applications. Just contact us.

    SERRA GLOBAL TECHNOLOGY, S.L.
    C/Torrent de Vallmajor, 94-B - 08915 – Badalona - Barcelona - SPAIN
    Telf.: 93.560.34.20. | Fax: 93.574.03.71. | E-mail: sertek@sertekglobal.com

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