6520 insulation paper has obvious good properties in mechanical strength and electrical strength. It is used widely in engines, electrical appliance and instrument as insulating material. Heat resistance is Class E. Special thickness and combinations can be supplied according to customer.
NO. | Technical Specification | Unit | Value | |||||||||||
1 | Thickness | mm | 0.15 | 0.17 | 0.2 | 0.22 | 0.25 | 0.27 | 0.3 | 0.35 | 0.45 | 0.6 | ||
2 | Thickness Tolerance | mm | ±0.02 | ±0.02 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.03 | ±0.035 | ±0.045 | ±0.06 | ||
3 | Nominal Grammage and Tolerance | g/m*m | 190±28 | 215±32 | 250±38 | 275±40 | 310±46 | 330±50 | 370±55 | 490±73 | 550±82 | 730±110 | ||
4 | Thickness of polyester film | mm | 0.05 | |||||||||||
5 | Tensile Strength | MD | No Bending | N/10 mm width | ≥100 | ≥110 | ≥120 | ≥135 | ≥150 | ≥175 | ≥200 | ≥240 | ≥360 | ≥400 |
After Bending | ≥70 | ≥75 | ≥80 | ≥85 | ≥95 | ≥100 | ≥110 | ≥180 | ≥275 | ≥320 | ||||
TD | No Bending | ≥80 | ≥85 | ≥90 | ≥90 | ≥95 | ≥100 | ≥105 | ≥120 | ≥180 | ≥200 | |||
After Bending | ≥50 | ≥50 | ≥50 | ≥55 | ≥60 | ≥70 | ≥80 | ≥115 | ≥175 | ≥190 | ||||
6 | Elongation | MD | No Bending | ≥2 | ≥3 | |||||||||
After Bending | — | — | ||||||||||||
TD | No Bending | ≥8 | ≥10 | |||||||||||
After Bending | — | |||||||||||||
7 | Breakdown Voltage | KV | ≥8 | |||||||||||
8 | Bond strength at 25 degree C | — | No delamination | |||||||||||
9 | Bond strength at 130 degree C. | — | \\ No delamination, no blister, no adhesive flow | |||||||||||
10 | Temperature | ℃ | 120 | |||||||||||
