Is the film positive or negative? Does negative mean that the printed colors on paper should be reversed, meaning black should be white, is that correct?

The side with the sticker is the negative side.

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30cmx1M PCB Dry Film Photosensitive Photoresist Sheets For Circuit Production

Name: 30cmx1M PCB Dry Film Photosensitive Photoresist Sheets For Circuit Production
Brand: Pricio
SKU: 1636262
Price: 723 INR
Availability: InStock
Rating: 5.0 (33 reviews)

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product for everyday users

The 30cmx1M PCB Dry Film Photosensitive Photoresist Sheets For Circuit Production is a value-for-money product designed for everyday users. Customers praise its easy to set up and use and fast and responsive. 100% of buyers rate it 4★ or above.

✓ easy to set up and use✓ fast and responsive

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Estimated delivery: 27 Aug – 10 Sept

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About This Product

The 30cmx1M PCB Dry Film Photosensitive Photoresist Sheets For Circuit Production is a value-for-money designed for everyday users. Customers highlight its easy to set up and use and fast and responsive.

Customer Verdict

100% of buyers rated this product 4 stars or above. The most appreciated qualities are: easy to set up and use, fast and responsive.

Why Buy from Pricio?

Pricio sources this product directly, cutting out multiple middlemen. Every order includes free shipping, a 15-day return policy, and secure payment via Razorpay.

Description:

PCB photosensitive dry film for circuit production

Any light containing ultraviolet can be exposure, and the wavelength of light is 370nm.

Size: 30 x 100 cm / 11.81'' x 39.37''

Color: As pictures shown

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

- Front-panel is very clean after developed

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 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 acid 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 thickness hole.

Plating:

The dry film is available in most common use of the plating bath, no wrinkles, no color.

Package included:

1 roll photosensitive dry film

30cmx1M PCB Dry Film Photosensitive Photoresist Sheets For Circuit Production

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