[Retired] PCB Developing Solution (for Photoresist Film)
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This is the developing powder for Photoresist Film Sheets for Photo Etched PE PCB, mixing it with water by 20:2000 ratio, and put into a coca cola bottle (2 Liters) to store. This can store more than 3 months. When you use it, just take a little out of the bottle.
See a complete tutorial here.
This is the price of one bag, 20g.
Photo sensitive film special – used Developing substance 20G
Use 10g of this developing substance and mix it within 0.9-1L water, you can now deploy as standard developing liquid and store in sealed plastic bottle (not metal bottle) for long term use. It’s not necessary to use purified water, normal tap water is fine to use. The most suitable temperature for this developing substance is 30 degree.
Leave the Photosensitive board in the developing liquid, after developing, brush it a few times, then use clean water to clean it up and use hot gun to dry up.
Deployed developing liquid can store in sealed status in plastic bottle more than one month.
Stored in carefully, it’s corrosive to skin, do not leave it at the place where children can get it, do not eat and put in eyes, if do so use plenty of water to clean and ask for doctors.
This product contains battery, will be only possible to be shipped by normal shipping service like Hongkong post, Belgium post, or similar, but not possible to be shipped by FedEx, DHL, UPS, read more on shipping.electrodragon.com.