![]() Keep a fan next to your drying rack to blow across the screens. It measures temperature and humidity, so you’ll know exactly what needs to be adjusted.Įmulsion dries quicker with a breeze. A hygrometer will help you keep track of the darkroom conditions. Install yellow or red UV-safe lights, block out all other lights, and invest in a dehumidifier to keep the air in the darkroom dry. First, the darkroom should be warm, dry, and light-safe. ![]() RELATED: WHICH EMULSION IS RIGHT FOR ME? DIAL IN THE DARKROOMĮvery darkroom requires a few things to keep it in the best condition possible. Pro Tip: Keep emulsion in a cool place, like a refrigerator, to extend the shelf life of dual-cure emulsion to eight weeks. The emulsion you choose may depend on your darkroom setup. Adding diazo creates a six-week shelf life for dual-cure emulsions. Dual-cure emulsion relies on diazo to make it sensitive to light. Presensitized emulsion is highly sensitive, exposes quicker, has a longer shelf-life, and captures fine detail beautifully. There are a couple of different types of emulsions screen printers can use. Darkroom expert Colin Huggins is on the case. The end result should give a nice glisten that makes a great stencil for your next screen printing job. Not all emulsions respond the same when coating screens: some emulsions require adjustments in pressure and speed, depending on the emulsion thickness and the type of mesh you're working with on your screen.
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