75um electric insulation black mylar polyester film

75um electric insulation black mylar polyester film Our black mylar polyester film is black opaque with high surface brightness, thickness from 30-200 micron ,other thickness can be customized.Our black mylar polyester film can be applicable to electronic products,instrument,electro-acoustic.We can provide samples for you to test. Item Unit Index Test condition Thickness tolerance % ≤3 GB/T6682-2001 Transmittance % ≤2 GB/T 2410-2008 Tensile strength   MD Mpa ≥170 GB/T 1040.3 TD Mpa…