6521 polyester film/presspaper is laminated with polyester film and presspaper. It is used as slot or liner of electrical equipment and electric cable.
House: high dielectric property and mechanical strength.
Storage life—1 year Thickness: 0.17mm 0.20mm 0.23mm 0.25mm 0.30mm 0.35mm
Width: 1000mm color: blue, cyan, brown
Pacage: carton and pallet
· Insulation Class E (120°C)
· For E-grade motors, generators and electric appliances.
· Insulation based on slot, liner or interturn.
| No. | Index identify | quantity | |||||||
| 1 | Thickness( mm) | .10 | .fifteen | .17 | .20 | .twenty five | .thirty | ||
| 2 | Tolerance( mm) | ±0.015 | ±0.571 | ±0.571 | ±0.030 | ±0.030 | ±0.030 | ||
| 3 | Excess weight ( g/m2) | 115±17 | 190±28 | 215±32 | 250±38 | 310±46 | 370±55 | ||
| four | Thickness (um) | 23 | |||||||
| five | tensile energy N/10mm | vertical | Before flexible | ≥90 | ≥135 | ≥150 | ≥180 | ≥210 | ≥270 |
| after | ≥70 | ≥80 | ≥90 | ≥100 | ≥120 | ≥160 | |||
| lateral | just before | ≥60 | ≥80 | ≥90 | ≥100 | ≥120 | ≥150 | ||
| right after | ≥40 | ≥60 | ≥60 | ≥70 | ≥80 | ≥100 | |||
| 7 | Voltage (kv) | prior to | ≥6. | ||||||
| following | ≥5. | ||||||||
| 8 | Normal caking property | No levels | |||||||
| 9 | Heating caking residence | 130±2°C ,10min , no levels, no bubble | |||||||
