![]() ![]() The benefits are that you don’t ever have to worry about replacing bulbs. LED exposure units are the newest type of exposure unit available. I wanted to include this type of light for completeness but this is the type of light we’re generally trying to get away from. There are some commercial versions which refine the design and give you some additional perks like a dedicated timer and ability to re-position the lights. This is the type of DIY setup that most of us started with. That being said, they’re also the cheapest and can do a good job once you get used to your setup. Halogen exposure units are less efficient, take more time to properly expose a screen and tend to get hot with extended use. Halogen Exposure Units For Screen Printing ![]() It’s important to make sure you can get replacement bulbs but most units are built to take standard fluorescent tubes. Generally fluorescent UV bulbs are used which are energy efficient and don’t get hot during use. “UV” exposure units use special bulbs that deliver direct UV light. That’s what gives us the ability to press our ink through the screen in a specific pattern. Technically, all exposure units use UV light to cure or harden (develop) photo emulsion on a screen. What types of Screen Printing Exposure Units are available?Įxposure units fall into a couple of categories.Īne one of these can get the job done but before you pick one let’s go over the major differences.
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