Polyester Film
Specifications
1 Polyester film2 Thickness: 0.05mm - 0.35mm
3 Width : 15mm ,20mm ... 1000mm
4 Color: Milky white ,transparent.
Polyester Film for Electrical Insulation
Polyester film is biaxially oriented polyethylene terephthalate (PET)film.6020 is transparent film,6021 is milky white.
Thermal class: E(120°C)
Characteristics: flat, low shrinkage, excellent insulation properties, UL approved
Usage: Electronic and electrical insulation, such as slot insulation, interphase insulation and liner insulation in electric motors, wrapping insulation for coils and cables, as well as producing insulating flexible composite material.
Specification
| Properties | Unit NO. | 1# | 2# | 3# | 4# | 5# | 6# | 7# | 8# | Test method | |
| Thickness | μm | 36 | 50 | 75 | 100 | 125 | 150 | 188 | 250 | GB12802.2 | |
| Tensile Strength | MD | Mpa | 200 | 200 | 182 | 185 | 175 | 170 | 172 | 180 | GB12802.2 |
| TD | Mpa | 210 | 198 | 198 | 190 | 186 | 206 | 185 | 200 | GB12802.2 | |
| Elongation at break | MD | % | 115 | 125 | 115 | 120 | 150 | 130 | 150 | 148 | GB12802.2 |
| TD | % | 105 | 130 | 110 | 102 | 110 | 100 | 110 | 109 | GB12802.2 | |
| Shrinkage | MD | % | 1.3 | 1.4 | 1.3 | 1.3 | 1.4 | 1.4 | 1.5 | 1.8 | GB12802.2 |
| (150°C30min) | TD | % | 0.8 | 0.8 | 0.9 | 0.8 | 1.0 | 1.0 | 1.0 | 1.5 | GB12802.2 |
| Breakdown voltage | V/μm | 220 | 188 | 165 | 145 | 126 | 123 | 104 | 92 | GB12802.2 | |
| Volume resistivity | Ω.m | 1.0×1014 | 1.0×1014 | 1.0×1014 | 1.0×1014 | 1.0×1014 | 1.0×1014 | 1.0×1014 | 1.0×1014 | GB12802.2 | |
| Ralative dielectric constant(48Hz-62Hz) | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | GB12802.2 | ||
| Dielectric loss tangent(48Hz-62Hz) | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | 2.8×10-3 | GB12802.2 | ||
| Haze | % | 10.0 | 14.0 | 20.0 | 25.0 | 28.0 | 30.0 | 35.0 | 40.0 | GB2410 | |
| Light Transmittance | % | 66 | 60 | 52 | 39 | 35 | 31 | 29 | 26 | GB2410 | |
| Gloss(45)° | % | 98 | 90 | 84 | 80 | 76 | 76 | 74 | 70 | GB8807 | |
| Density | g/cm3 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | 1.4 | GB12802.2 | |
| Flame retardancy | VTM-2 | VTM-2 | VTM-2 | VTM-2 | VTM-2 | VTM-2 | VTM-2 | VTM-2 | ANSI/UL94 | ||
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