30CMx1M 15CMx2M Portable Posensitive Dry Film for Circuit Poresist Sheet Plating Hole Covering Electroplating Board-30x100CM

30CMx1M 15CMx2M Portable Photosensitive Dry Film for Circuit Photoresist Sheet Plating Hole Covering Electroplating Board

Features:

- Photographic film, also known as dry film, is used to make board, stick it on top of the , it will become a sensitive circuit board. - Suitable for plating, hole covering,and the etching proce. - Excellent ability to cover holes - High Resolution - Excellent adhesion to almost all surfaces - Image clarity after exposure - Front-panel is very clean after developed Size: 15 x 200 cm / 5.91'' x 78.74'' 30 x 100 cm/11.81" x 39.37" Color: As tures shown How to use it : 1. Clean your board. Cut dry film a little larger than your board. 2. Apply Resist: This Photoresist has 3 layers, the top and bottom layers are clear protective layer, so at the first, you need remove one protective layer, the easy way is to use two small pieces of scotch tape. Then apply the middle layer on board. 3. Expose: Place your negative artwork over the rest protective layer. 4. Develop: Remember: you need NEGATIVE film developer, Remove the rest protective layer on the film. After 3 minutes take board out of developer and hold under running water to check,you can always place it back in the developer if needs more time. Etching： The dry film is resistant to most of the etching solution, the PH value can be resistant to most alkaline etching solution between PH8.0 ~8.5. Cover hole： 1.5 mil dry film can fully cover a 0.25 inches thickne hole. Plating： The dry film is available in most common use of the plating bath, no wrinkles, no color. Package include: 1 roll photosensitive dry film

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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