Thermal class B (120°C)
Excellent dielectric properties and mechanical strength
As slot, interturn and liner insulation for E-grade motors, generators and electric appliances.
Also used for slot insulation, closures or covers, overhang, interphase insulation and layer insulations for Dry-type transoformers and motors.
| Properties | Unit | Value | |||||||||||||
| Nominal thickness | mm | 6520-23 | 6520-36 | 6520-50 | |||||||||||
| 0.15 | 0.25 | 0.60 | 0.15 | 0.25 | 0.60 | 0.15 | 0.25 | 0.60 | |||||||
| Thickness tolerance | mm | +0.02 | +0.03 | +0.06 | +0.02 | +0.03 | +0.06 | +0.02 | +0.03 | +0.06 | |||||
| Nominal ration and tolerance | G/m2 | 190+ 28 | 310+ 46 | 730+110 | 190+ 28 | 310+ 46 | 730+ 110 | 190+ 23 | 310+ 46 | 730+ 110 | |||||
| Nominal thickness of film | μm | 23 | 36 | 50 | |||||||||||
| Tensile strength | Length | No bending | N/10mm | ≥135 | ≥210 | ≥500 | ≥135 | ≥210 | ≥500 | ≥100 | ≥150 | ≥400 | |||
| bending | ≥80 | ≥120 | ≥370 | ≥80 | ≥130 | ≥370 | ≥70 | ≥95 | ≥320 | ||||||
| Cross | No bending | ≥80 | ≥120 | ≥320 | ≥80 | ≥120 | ≥320 | ≥80 | ≥95 | ≥200 | |||||
| bending | ≥60 | ≥80 | ≥200 | ≥60 | ≥80 | ≥200 | ≥50 | ≥60 | ≥190 | ||||||
| Elongation percentage | Length | % | ≥2 | ≥3 | ≥3 | ≥2 | ≥3 | ≥3 | ≥2 | ≥2 | ≥3 | ||||
| Cross | ≥8 | ≥10 | ≥10 | ≥8 | ≥10 | ≥10 | ≥8 | ≥8 | ≥10 | ||||||
| Breakdown voltage | Length | KV | ≥6.0 | ≥7.0 | ≥8.0 | ||||||||||
| Cross | ≥5.0 | ≥6.0 | ≥6.0 | ||||||||||||
| Cohesiveness under normal condition | --- | Without lamination | |||||||||||||
| Cohesiveness under hot condition (130+2oC) | ---- | Without lamination, bubbles and flowing compound | |||||||||||||
