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Insulating Paper > 6630 Polyester Film/Polyester Fibre Non-Woven Fabric Flexible laminate (DMD)

6630 Polyester Film/Polyester Fibre Non-Woven Fabric Flexible laminate (DMD)

6630 Polyester Film/Polyester Fibre Non-Woven Fabric Flexible laminate (DMD)

Polyester film/polyester fibre non-woven fabric flexible material (DMD) is a three-layer flexible laminate in which polyester fibre non-woven fabric (D) is bonded to the two sides of Polyester film (M).

Features:

1. Heat resistance is class B.

2. Thickness: 0.15-0.45mm, Width: 1000mm

3. Nominal weight: 50±5kgs

Advantages:

1.Excellent electrical insulating.

2.Heat resistance.

3.Mechanical strength.

4.impregnated property.

Application:

It is suitable for slot insulation, interphase insulation and liner insulation in Y-series electric motor and electric apparatus.

  

No. Properties  Units                                         Values
 1 Nominal thickness   mm  0.15  0.18  0.20  0.23  0.25  0.30  0.35  0.40  0.45
 2 Thickness tolerance   mm ±0.020 ±0.025 ±0.030 ±0.030 ±0.030 ±0.030 ±0.035 ±0.040 ±0.045
 3 Nominal grammage                  and tolerance  g/m2 140±20 190±28 220±33 260±39 300±45 350±52 425±63 500±75 560±84
 4 Film nominal thickness   μm    50    75    100    125    150    190    250    300    350
 5 Tensile strength MD No       bending N/10  (mm) Width  ≥80  ≥120  ≥140  ≥180  ≥190  ≥270  ≥320  ≥340  ≥370
After  bending  ≥80  ≥105  ≥120  ≥150  ≥170  ≥200  ≥300  ≥320  ≥350
TD No     bending  ≥80  ≥105  ≥120  ≥150  ≥170  ≥200  ≥300  ≥320  ≥350
After  bending  ≥70  ≥90  ≥100  ≥120  ≥130  ≥150  ≥200  ≥220  ≥250
 6 Elongation MD No     bending    %                 ≥15          —          —
After  bending                 ≥10       ≥5       ≥3
TD No    bending                 ≥20          —          —
After  bending                 ≥10       ≥5       ≥2
 7 Breakdown voltage    kv   ≥6   ≥7   ≥9  ≥10  ≥12  ≥15  ≥18  ≥20  ≥22
 8 Temperature index   ℃                                             130

 

Adhesion: There shall be no delamination or bubbling at the cut place with white spot left by bending being allowed.