E3 UV-30 film is an excellent resist for etching. The precision resist of the film is perfect for fine lines and details. Transfer your design onto the film with a transparency and a UV Lamp. Use soda ash for developing and removal. Keep away from heat and light. Store film with temperatures between 5-21C (40-70F) and relative humidity 30-70%. Product may still be good outside of recommended temperatures, so test before discarding.
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