black opaque polyester insulation film for instruments
We also can offer PET White film and other coloful PET film.
1. PET black film Features:
1) High black coverage
2) Even, permanent pigment, smooth, bright surface
3) High mechanical property and heat stability
2. PET black film application
Apply to make black tape, tape black slippery paper, shading piece, electrical insulation, electronic equipment, R type transformer Outsourcing, sound film diaphragm manufacturing, and shading screen, etc,
It is used for insulating films, Electro-acoustical equipment ,anti-dazzling screen etc.
3.PET black film specification
Technical data sheet
Item | Unit | Value | Test method |
Thickness | Um | 50 | 75 | 100 | 125 | 150 | 175 | GB/T13542.1-2009 |
Tensile strength | MD | Mpa | 186 | 194 | 191 | 199 | 187 | 183 | GB/T13542.2-2009 |
TD | 196 | 198 | 189 | 198 | 192 | 187 |
Elogation at break | MD | % | 127 | 126 | 125 | 141 | 156 | 150 | GB/T13542.2-2009 |
TD | 111 | 108 | 106 | 110 | 106 | 106 |
Heat shrinkage(150°C,30min) | MD | % | 1.4 | 1.6 | 1.4 | 1.4 | 1.4 | 1.4 | GB/T13542.2-2009 |
TD | 0.3 | 0.4 | 0.4 | 0.3 | 0.4 | 0.4 |
Light transmittance | % | ~0 | ~0 | ~0 | ~0 | ~0 | ~0 | GB/T2410-2008 |
Electrical strength | V/um | 146 | 128 | 122 | 103 | 96 | 90 | GB/T13542.2-2009 |
Dielectric loss tangent(50Hz) |
| 2.6X10-3 | GB/T13542.2-2009 |
Relative dielectric constant(50HZ) |
| 3.4 | GB/T13542.2-2009 |
