1. mylar polyester film
mylar polyester film for electric motor insulation biaxially oriented polyethelene terephthalate (PET) film, which is a milky white film.
2.Characters
It is Class E insulating material.This product has good dielectrical and high mechanical properties.
30Application
It is suitable for electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motor, wrapping insulation for coils and cables, as well as producing insulating flexible composite material.
4.Specification
thickness(mm):0.025, 0.050, 0.075, 0.10, 0.125 , 0.188, 0.250, 0.300, 0.350
width(mm):10-1000
5. Technical sheet for 0.188mm
No. | Index | Unit | Index value | Result | |||
1 | Apparence | / | Surface flat and clean, no crepe, breakage, particle, bubble, pinhole and impurity. The side is regular and no breakage. | Standard | |||
2 | Roll | / | Around the tube core in tense, it's not beyond side of roll. The thickness no tolerance and Hard infarction. Tolerance of width in roll not above ±2mm | Standard | |||
3 | Tube core | / | No off bits, collapse or skew in roll. it's no effect to film and the property. | 76mm | |||
4 | Width & Tolerance | MM | 1000±2mm | 1001mm | |||
5 | Thickness & Tolerance | MM | 0.1880±10% | MAX | MIN | Result | |
0.19 | 0.18 | 0.19 | |||||
6 | Tensile Strength | MD | Mpa
| ≥190 | 195 | ||
CD | ≥185 | 190 | |||||
7 | Break Elongation | MD | % | 145 | 150 | ||
CD | 135 | 145 | |||||
8 | Shrinkage | MD | % | ≤1.6 | 1.2 | ||
CD | 1.4 | ||||||
9 | Line Frequently Electrical Intensity | V/μm | ≥85 | 90 | |||
