![]() ![]() Most manufacturers offer the sensitizer in a different color so that you will know once you mix the two agents completely – there will be no streaks. To start using the emulsion, you need to mix it with a sensitizer. Most emulsions come as a complete kit with an emulsion, a sensitizer, and an emulsion remover. How do you mix emulsion and sensitizer for screen printing? You can have up to a 10% window of error when exposing a screen using 60 seconds as an example where 6 seconds are over or six seconds under before seeing any issues with your exposure time. So you have to be careful not to make it too close in the daytime, or too far from the sun at night when you wash out your screen. It shows details and it is very quick to expose. It will not last forever even if left at room temperature but can last for two months if kept cold enough. You cannot use tap water because the minerals in the tap water will affect the diazo.Īfter you mix it, keep it in your fridge for two months if you can. Mix it with water that has a neutral pH balance like distilled water. To make a Diazo (mixed) emulsion, you need to add a diazo powder. Remember the 10% rule, if it takes 10 minutes to expose a screen, you could expose a minute over or a minute under before you start running into issues. Since it takes longer to expose, it’s more forgiving to errors whether it’s from exposing issues or light leakage. Some need a dark room during preparation and others mix well even in normal light conditions. Some may work with all ink systems, but most only work with two ink systems. For instance, emulsions only work with specific ink systems. With the answers to the above questions, you will find the right emulsion for your screen printing. Is the environment you plan to wash your mesh screen in light safe?.What kind of ink do you use during screen printing?.What is my skill level? Are you a beginner, or an intermediate, or a pro?.When buying emulsion for screen printing, you need to ask yourself some questions such as: You can also use the Excotex exposure calculator to understand how long your screen needs to be under light. The manufacturer offers you a table showing the exposure time for different mesh screens and colors to help you get the best prints. Before applying the emulsion, you need to degrease and dry your screen. You can also use low-wattage tungsten bulbs, but avoid quartz or halogen lights, daylight lamps, cool fluorescent lamps, and discharge lamps. For the best prints, the manufacturer recommends that you hold the stencils under yellow safe light. Performanceīecause the emulsion comes pre-sensitized, you do not need to spend so much time worrying about mixing ratios. The emulsion is also durable when you need to print long runs. You can use it if you need the best print definition on different mesh screens. It is a photopolymer emulsion that works well with water-based and plastisol inks. ![]() ![]() The Ecotex PWR comes as a 128-ounce pre-sensitized emulsion, so you can use it out of the box. If your post doesn't post, message a mod.Ecotex PWR pre-sensitized emulsion Review Show us your work! Be proud of what you do, showing off your work could easily influence and inspire others! Be warned: pics are fine, but if it's too "spammy" your post will be removed. Share knowledge! Every screen printer does things a little differently share your techniques However, there's nothing wrong with general discussion.Īny links to videos, articles, websites, et. Hey I'm new to this, what type of ink do you guys suggest I start with and what are the differences in types of inks? Please refrain from posts that ask across-the-board questions. #Types of speedball photo emulsion registration#No matter what your skill level, whether you are a beginner who can't register a single image to a blank sheet of paper or a print god who yawns and lays down a four-color halftone perfectly with no hinge clamps or registration marks, there are ALWAYS questions. Visit the fine-art screen printing sub-reddit: /r/serigraphy We welcome most posts, typically: questions, interesting links, tips&tricks, etc. This is a subreddit specifically devoted to the art and crafts of serigraphy(screen printing). ![]()
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