Features Photographic film, also known as dry film, is used to make PCB board, stick it on top of the PCB, it will become a sensitive circuit board. Suitable for plating, hole covering, and the etching process. Excellent ability to cover holes, high resolution. Excellent adhesion to almost all surfaces. Image clarity after exposure. Features: Photographic film, also known as dry film, is used to make PCB board, stick it on top of the PCB, it will become a sensitive circuit board. Suitable for plating, hole covering, and the etching process. Excellent ability to cover holes, high resolution. Excellent adhesion to almost all surfaces. Image clarity after exposure. Steps of use: 1. Film uncovering, the photographic film is sandwiched between two layers of films. 2. Film pasting, clean and paste flat. 3. Heat slightly to fix with electric iron. 4. Print circuit board film. 5. Exposure 6. Develop 7. Etch 8. Demould Specification: Color: black Material: Plastic Dimension: 30cm*500cm / 11.8*197in Weight: approx. 150g Package List: 1 * Photosensitive film Package List