6520/6521 Insulation Paper
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6520/6521 Insulation Paper Introduction
This 6520/6521 insulation paper is a two-ply flexible laminated insulation material consisting of press paper and polyester film. The used adhesive is acid-free and temperature resistant. It has excellent electrical and mechanical properties, can be used for low-voltage motors, insulation, and cushioning interterm insulation. It can be used as slot and phase insulation in low voltage machines or as interlayer insulation in transformers.
Thickness:0.17mm, 020mm, 0.23mm, 0.25mm, 0.30mm, 0.35mm
Width: 1000mm or customized
Color: Blue, green, cyan, brown
Insulation Class: class E (120℃)
Material: Material : Polyester film and presspaper
6520/6521 Insulation Paper Features
1. It is a Class E insulation material
2. Good dielectric properties
3. High heat resistance
4. Mechanical strength
6520/6521 Insulation Paper Applications
This insulation material is suitable for E-class electrical motors as slot liner and turn-to-turn insulation, liner insulation, transformer insulation, and other electrical insulation with temperature requirements not exceeding 130℃.
6520/6521 Insulation Paper Specifications
Item | Unit | Index | |||||||
Thickness | um | 75 | 100 | 125 | 175 | 188 | 200 | 250 | 300 |
Tolerance | % | ±3 | ±3 | ±3 | ±4 | ±4 | ±4 | ±4 | ±4 |
Tensile strength | Mpa | ≥ 180 | ≥170 | ≥ 70 | ≥ 160 | ≥ 150 | ≥ 150 | ≥ 50 | ≥ 150 |
Elongation | % | ≥ 100 | ≥ 100 | ≥ 100 | ≥ 100 | ≥ 100 | ≥ 100 | ≥ 100 | ≥ 100 |
Frequency electrical strength | V/um | ≥ 105 | ≥ 90 | ≥ 80 | ≥ 69 | ≥ 66 | ≥ 64 | ≥ 60 | ≥ 55 |
Volume resistivity | Ω.cm | ≥ 1.0x1014 | |||||||
Dissipation factor | - | ≥ 3.0x10-3 | |||||||
Thermal class | °C | 120 | |||||||
