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6520/6521 Insulation Paper
Additional Information
Type: Insulation Paper
Material: Polyester film and presspaper
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°C)
Package: Carton and Pallet
Application: used as slot or liner of electrical equipment and electric cable
6520/6521 Insulation Paper
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℃.
Insulation paper is a two-layer flexible composite material, produced by B Class
adhesive to adhere insulation paper with polyester film together
--Two layers: polyester film is bonded with insulation paper.
--Base Layer: 100% Sulfate wood pulp presspaper
--Outer Layer: Polyester film(PET) for Electrical Purposes
--Percentage:16% polyester film + 84% presspaper
No. | Index name | Value | |||||||||
1 | Thickness(mm) | 0.10 | 0.15 | 0.17 | 0.20 | 0.25 | 0.28 | ||||
2 | Tolerance(mm) | ±0.015 | ±0.020 | ±0.020 | ±0.030 | ±0.030 | ±0.030 | ||||
3 | Weight(g/m2) | 120±17 | 190±28 | 215±32 | 250±38 | 310±46 | 330±50 | ||||
4 | Film thickness(um) | 36 | |||||||||
5 |
tensile strength N/10mm |
vertical | Before flexible | ≥90 | ≥135 | ≥150 | ≥180 | ≥210 | ≥240 | ||
after | ≥70 | ≥80 | ≥90 | ≥100 | ≥130 | ≥140 | |||||
lateral | before | ≥60 | ≥80 | ≥90 | ≥100 | ≥120 | ≥130 | ||||
after | ≥40 | ≥60 | ≥60 | ≥70 | ≥80 | ≥90 | |||||
7 |
Voltage(kv) | before | ≥7.0 | ||||||||
after | ≥6.0 | ||||||||||
8 | Normal caking property | No layers | |||||||||
9 | Heating caking property | 130±2℃,10min,no layers, no bubble, no glue | |||||||||
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