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2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 0
2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 1
2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 2
2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 0
2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 1
2pcs A4 Sheet of Photoresist Negative Dry Film Sheet, GBP 5.55 – Picture 2

2pcs A4 Sheet Of Photoresist Negative Dry Film Sheet

GBP 5.55

  • Slovakia, Slovakia
  • Jan 29th
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How to use it: 1: removing film, photosensitive film is sandwiched between two layers of film, tear up the side of the first little difficult to tear, try a few on the line 2: then foil, copper clad laminates little cleaning can paste level, try not to bubble 3: stickers, ready, irons a little heat, not too hot, fixed effect 4: printed circuit board film, it is recommended that the film can achieve the highest degree of fine, if not accuracy requirements with sulfuric acid paper print. 5: exposure, circuit diagram printed on the photo plate (Note: The dry film is negative, so anti-white print, which is contrary to our usual plate) for about 30 minutes with ordinary energy-saving lamps, exposure machine 1 minute on the line, the sun never tried, it should be about 15 minutes, the exposure process obviously, because the photosensitive film will change color, from light-colored dark blue exposure. You will easily see the circuit diagram is shown in the board. 6: developing, torn off another layer of protective film and put it into the developer (developer 1:100 watered, 10 grams against 1 liter of water), developing with a cotton swab and a little harder to wipe the board 7: etching Needless to say 8: after etching, stripping, mold release agent watered one sixty or 70, the board bulb within minutes These sheet is cut off from a roll Sent in Hard Tube or Envelope . WE WILL ALWAYS CHARGE POSTAGE ONCE. Shipping Detail: Shipping to EUROPE                   4-13d Shipping to other Countries       10-26d
Condition:
New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. ...
Unit Quantity 1
Brand DuPont

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