Features:_x000D__x000D_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. _x000D_Suitable for plating, hole covering, and the etching process. _x000D_Excellent ability to cover holes, high resolution. _x000D_Excellent adhesion to almost all surfaces. _x000D_Image clarity after exposure. _x000D__x000D_Steps of use:_x000D_1. Film uncovering, the photographic film is sandwiched between two layers of films._x000D_2. Film pasting, clean and paste flat._x000D_3. Heat slightly to fix with electric iron._x000D_4. Print circuit board film._x000D_5. Exposure_x000D_6. Develop_x000D_7. Etch_x000D_8. Demould_x000D__x000D_Specification:_x000D_Color: black_x000D_Material: Plastic_x000D_Dimension: 30cm*500cm / 11.8*197in_x000D_Weight: approx. 150g_x000D__x000D_Package List:_x000D_1 * Photosensitive film 1Photographic 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. 2Suitable for plating, hole covering, and the etching process. 3Excellent ability to cover holes, high resolution. 4Excellent adhesion to almost all surfaces. 5Image clarity after exposure.