
PCB Negative Photosensitive Dry Film 30 x 100 cm
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Prices updated: 13 Oct 2026
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About this product
A 30 x 100 cm sheet of negative-acting photosensitive dry film for PCB photolithography. It is laminated onto copper-clad board, exposed to UV light through a mask, and developed so that the exposed areas remain as an etch resist. It is used for making etched PCB traces at home or in small workshops.
Specifications
- Type
- Negative photosensitive dry film
- Size
- 30 x 100 cm
- Form
- Sheet
- Application
- PCB photoresist
Frequently asked questions
What do I need to process this film?
You need a laminator or hot iron to apply it to copper, a UV exposure source, a transparent mask printed with the layout, and an alkaline developer such as sodium carbonate solution.
How should I store it?
Keep it in a dark, dry place away from UV light and heat. Premature exposure will ruin the film before it is used.





