6520 polyester fish paper /6521 polyester craft paper
Description:6520/6521-23polyester film/kraft paper flexible composite material is two-layer flexiblelaminate in which polyester film is bonded with kraft paper.It is ClassB(130°C)insulating material.
Advantages:This producthas excellent dielectric property and high mechanicalproperty.
Application: It issuitable for Slot insulation,interphase insulation and liner insulation in electricmotor and electric apparatus.
Technical Data
Item | Index. | Unit | Nominal Thickness/mm |
0.10 | 0.15 | 0.17 | 0.20 | 0.30 | 0.40 | 0.50 | 0.60 |
1 | Tolerance | mm | ±0.015 | ±0.020 | ±0.020 | ±0.030 | ±0.030 | ±0.040 | ±0.050 | ±0.060 |
2 | Nominal Grammage | g/m2 | 115±17 | 190±28 | 215±32 | 250±38 | 370±55 | 490±73 | 610±90 | 730±110 |
3 | Tensile Stength | Lengthwise | No bend | N/10mm | 90 | 135 | ≥150 | 180 | 270 | 320 | 410 | 500 |
Bend | 70 | 80 | ≥90 | 100 | 160 | 230 | 300 | 370 |
Crosswise | No bend | 60 | 80 | ≥90 | 100 | 150 | 100 | 260 | 320 |
Bend | 40 | 60 | ≥60 | 70 | 100 | 130 | 170 | 200 |
4 | Elongation | Lengthwise | % | ≥2 | ≥3 |
Crosswise | ≥8 | ≥10 |
5 | Bond Strength at Room Temp. | — | No delamination |
6 | Bond Strength at Heat Temp. (130±2°C/10min) | — | No delamination,no blister,no adhesive flow |
7 | Breakdown Voltage | KV | No bend≥6.0; Bend≥5.0 |
Remark | This product is produced in accordance with JB/4059-1991 and istested in accordance with GB/T5591.2-2002 |