Why High Opacity and Mechanical Strength Matter When Sourcing from a Black Polyester Film Factory
Product Overview
Not all polyester films are meant to transmit light. In some applications, the goal is exactly the opposite: to block it completely. Black Polyester Film is an opaque, carbon-loaded PET film designed for light-blocking, insulation, and protective applications. It combines high opacity with the excellent mechanical strength and thermal stability expected from premium PET. Whether used in electronic displays, adhesive tapes, or custom die-cut parts, the consistency of the color and the opacity of the film are critical. This is why buyers look for a Black Polyester Film Manufacturer who can guarantee uniform carbon dispersion and stable physical properties.
Technical Characteristics
The following values represent typical data for our black PET range. Thicknesses are customizable to meet your specific application. They are not intended as limiting specifications.
- Material: Carbon-loaded PET (Polyethylene Terephthalate)
- Color: Opaque Black
- Thickness Range: 12 μm to 250 μm (Custom thicknesses available)
- Light Transmittance: ≤ 0.1% (High opacity/light-blocking)
- Tensile Strength: MD 180 to 220 MPa / TD 180 to 220 MPa
- Thermal Shrinkage at 150°C, 30min: MD 0.8% to 1.5% / TD 0.1% to 0.5%
- Surface Resistivity: ≥ 10^14 Ω
- UL746B: RTI Electrical 105°C / Mechanical 105°C
Key Properties
- Excellent light-blocking performance (high opacity)
- Uniform black color with no pinholes or streaks
- Good electrical insulation properties for electronic components
- High mechanical strength and dimensional stability
Applications
Black Polyester Film is widely used in light-blocking tapes, electronic display gaskets, backlight module shielding, flexible printed circuits (FPC) reinforcement, and general industrial die-cutting. It is the ideal material wherever light leakage must be prevented, or a visually sleek black finish is required.
Why Choose Jinlu Film as Your Manufacturer
Jinlu Film is a Black Polyester Film Manufacturer, Factory, and Supplier with factory-direct pricing, strict color consistency control, and stable physical properties. As a factory, we support custom thicknesses, slitting, and sheet cutting, along with export-grade packing and global shipping. If you are comparing Black Polyester Film suppliers, request a sample and test our opacity and surface quality for yourself.
Contact us today for a factory quote, technical data, or a sample of Black Polyester Film.
