Use small test pieces first and adjust time if needed. (18 inches) 11"x17" stencil, expose for 9 minutes (16 inches) 8.5"x11" or smaller, Standard or HiDef, expose for 7 minutes Exposure Time: Expose EZScreen Stencil according to the exposure time table below. The foil allows the light to burn the stencil evenly, otherwise the edges may be under-exposed.Ĥ. Be sure that the foil does not block the light from the stencil. The foil should cover the length of the exposure board. Exposing 11”x17” Large Stencil: Wrap aluminum foil around pieces of cardboard and place around 13"x19" exposure board to create a box with 4 sides. Be certain that the light is facing straight down.ģ. Set Lamp Height: Set the height at 16” from exposure board unit for 8.5”x11” stencil or smaller and 18” above for 11”x17” large stencil. Remove both light guards they may create shadows on your stencil if they are not removed.Ģ. Read all instructions included in EZScreenPrint kit or refill sheets.ġ. Think ahead and you'll save money and headaches.These instructions are for using the Speedball light kit with 250 watt photoflood bulb. Stocking up on products is always a good idea before winter, so you know you’ll have enough emulsion to last until the weather warms up again. Stocking up early means you can avoid the headache of receiving frozen emulsion from shipping, and can store the emulsion in a warm place for safekeeping. The good news? An unopened emulsion can have a shelf life of up to two years in the right conditions. If you do get a shipment during the winter, bring it into a warm space as soon as possible to help prevent freezing. Order it before the weather gets too cold to avoid frozen supplies altogether. RELATED: HOW TO HANDLE PLASTISOL INK IN COOLER TEMPERATURES STOCK UP If the emulsion remover has crystallized, warm it up to room temperature and give it a good shake until the crystals are re-dissolved into the rest of the solution. Be certain that the light is facing straight down. Set Lamp Height: Set the height at 16 from exposure board unit for 8.5x11 stencil or smaller and 18 above for 11x17 large stencil. While it freezes, the active ingredients can crystalize, sinking to the bottom of the container. Remove both light guards they may create shadows on your stencil if they are not removed. You can store emulsion in the fridge to make it last longer, but make sure the refrigerator isn’t too cold.ĭon't forget about emulsion remover. To keep it safe, store emulsion in a room-temperature area. You’ll need another bottle.ĭual cure emulsion is sensitive to cold temperatures. If this is the case, the diazo has gone bad. While the powder itself won’t freeze, the bottle of diazo may have picked up moisture during the freezing and thawing process. When diazo gets cold, it may turn solid, or have large clumps instead of fine powder. WHAT ABOUT DUAL CURE EMULSION?ĭual cure emulsions like Baselayr Long Lasting use diazo to make the emulsion light-sensitive. Wondering if your emulsion is good to use? Test it out! Mix the emulsion together and let it set for 3-4 hours, then coat a screen to check for grainy consistency. You’ll be able to coat a screen, but the tiny clumps in the emulsion will not crosslink. The emulsion may feel and look grainy.When mixed, it will just separate out again. The emulsion may separate into different layers.It will be difficult to break apart, and definitely difficult to coat a screen. The emulsion may gel into a rubbery ball or have a rubbery consistency.Emulsions that have gone bad will have one of the following characteristics. Once it’s thawed, the emulsion may look stable to use. In the cold enough temperatures, all emulsion will thaw. RELATED: WHICH BASELAYR EMULSION IS RIGHT FOR ME?įrozen emulsion is grainy, and won’t be smooth to stir. Speedball UV LED Exposure Lamp 39.49 Add to Cart Speedball Scoop Coaters Starting at 23. Extruded from T6 aluminum, Speedball Scoop Coaters feature dual-sided edges and glued, injection-molded end caps. also you can try to sprinkle a little water over the screen to loosen the emulsion wait a couple of minutes then wash out the screen. The shelf life for the sensitized emulsion is four weeks at 90F (32C), eight weeks at 70F (21C), or four months if refrigerated. What do you need to be on the lookout for? Here’s a quick guide. there is not proper contact of the art with the screen. Depending on the emulsion's chemistry, you’ll see a number of different results when opening the container. Most emulsions are not freeze/thaw stable. Authoritative Certifications- NSF/ANSI 53,42 & 372 Lead. Why does this affect your screen print shop? Screen printers need to be conscious of both what you order and when you order it.īoth emulsion and emulsion remover can and will freeze. Description of Refrigerator Replacement UKF8001AXX Whirlpool EveryDrop Appliances for Washers & Dryers. There is a bite to the air, frost on your car windows, there might even be a dusting of snow outside your front door.
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