Insulating Tape​
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Fiberglass Net Unidirectional Weft less Tape - WWD
  • Description
  • Video

    Fiberglass net unidirectional weftless tape is composed by No alkali fiberglass and Heated cured unsaturated polyester resin.It has specially mesh structure so that it has good softness and also it is easy to be used.

    Thermal class: H

    Application: It is widely used in the binding of motor, transformer and so on.


    Specification:

    Model

    Thickness(mm)

    Tolerance(mm)

    Width(mm)

    Tolerance(mm)

    Minimum package

    WWD

    0.17   0.30

    ±0.03

    10-50

    ±2

    100-200m/rolll

    Curing condition(excluding the work piece heating time):

    Temperature

    ℃

    160

    150

    135

    120

    115

    time

    hours

    2.5

    3

    5

    14

    20

    Storage:

    Storage temperature(℃)

    10

    15

    20

    30

    Time(month)

    8

    6

    4

    2

    Item
    Unit
    Index
    Item
    Unit
    Index
    Thermal class
    ℃
    H 200
    Ring pattern normal stretch strength(20℃)
    MPa
    ≥1250
    ≥1000**
    Volatile content
    %
    ≤2
    Ring pattern hot stretch strength(200℃)
    MPa
    ≥900
    ≥700**
    Resin content
    %
    26±2
    Track resistance index
    V
    ≥500
    Soluble resin content
    %
    ≥90
    Electric are resistance
    S
    ≥160
    Tensile strength before curing
    N/cm
    ≥2000
    Electric strength
    KV/mm
    ≥12
     Maximum bandaging tension
    N/cm
    ≥1000
    Solidification
    _
    Easy to peel, non-sticky
    Tensile strength deterioration rate after oil soaking
    %
    ≤10