![]() Most common size for general t-shirt printing. Used to print thicker layers of ink, specialty or athletic inks. The 20"x24" size is currently the industry standard for manual screen printing frames. Better mesh adhesion will result in longer screen like and better tension over a longer period of time. These professional grade pre-stretched frames have the highest screen tension and use a 2 part adhesive specifically designed for the screen printing industry. The highest quality control eliminates leaks and drips to ensure problem free stencil production. You can either send your old screen to be cleaned and re-exposed or we can send you a brand new screen with your image exposed.These screens are hand welded to ensure a strong structure and durable life. We provide a screen exposure service on our website. HOW TO EXPOSE A SCREEN FOR SCREEN PRINTING We show this method in full in our ‘How to expose a screen’ tutorial video. If it is under exposed, increase your time. ![]() We would suggest starting your exposure at 4 minutes and working from there. If you are using our advised emulsion (link at bottom of page) and a metal halide bulb for exposure. We also explain how to use this in detail in our ‘How to expose a screen’ tutorial video. Download this for free on our website, all the instructions are on the acetate and its super simple. There are 2 methods to finding your perfect exposure time. Sunlight does have UV but it is so variable that you can’t determine how strong the light will be day to day and your efforts will be redundant. We do not recommend the sun in any circumstance. These units are usful because they often come with a vacuum bed however the distance from the bulbs to the screen is very shallow so you may get dead zones where light cannot radiate.Įntry level and accessible but you will need to use foam and weights which will get your screen in contact with the positive but not close enough! This is also an inefficient source of energy and may not retain detail. However they are multi-source emitters of light so they may loose up to 9% of detail immediately compared to the halide bulb.Īccessible as they are generally very cheap but they are not going to hold the extreme detail such as halftones. This produces a single source of rich UV light which results in less undercutting and perfect exposures.Įfficient in output of UV without wasting heat and energy. Self contained vacuum bed with metal halide bulb.We have ordered them from most effective to least effective from our experience. There are 5 main methods for exposing screens. I’ll explain more about that below.ĭIFFERENT TYPES OF EXPOSURE UNITS/METHODS Moisture can be a killer for screen exposure. Your going to need to keep your coated screens in a dark place to achieve that perfect exposure. If your coating technique is spot on, you will have much cleaner results. Get yourself a professional scoop coater. ![]() Find a link to our favourite at the bottom of this blog. Invest in a good, professional emulsion before starting. You can achieve this by using a RIP software and converting your inkjet printer to an all black system. Here are some TIPS TO PERFECT before getting messy Not being systematic can provide inaccurate results. Start simple. When working out your exposure time, try to keep everything consistant and make notes. How long should I expose my screen for? This sounds like a simple question but there are so many variables that the answer is a tricky one!Įxposure time is dependent on the type of exposure unit you are using, the type of emulsion, the thickness of emulsion, the mesh count and the image detailing.
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