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

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

Description

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.

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