![]() ![]() ![]() Make sure that your emulsion isn’t being exposed to UV light at some point in your screen-making process. When your stencils won’t wash out, you’re having the opposite problem your emulsion is over exposed. The point on your screen where the emulsion doesn’t wash away is the ideal exposure time for your emulsion. Continue this process until you’ve tested several times, then wash the image away. Pull the piece of cardboard back and expose for a minute longer. It can be helpful to test your emulsion’s exposure time: Using a piece of cardboard, cover a swatch on the screen and expose. Can you see through the black ink of the positive? You need to use a darker ink to create your positives. If you can’t see through the ink, try lengthening your exposure times. The two most common culprits for inadequate exposure are transparent positives or too short exposure times. First, hold your film positive up to the light. Fortunately, when stencils wash away, the problem is clear: Your screens haven’t been adequately exposed. Seeing your newly exposed stencils wash down the drain can be extremely frustrating. Knowing how to troubleshoot the most common exposure problems can help you nip these issues in the bud, helping you to avoid a great deal of frustration in your screen printing shop. ![]() Problems with exposure generally manifest during the washout process, through screens that won’t wash out well enough, emulsion that softens too much or images that develop blurred lines or pinholes during the washout process. For that reason, exposure problems can cause some of the most frustration in screen printing shops. Are your screens giving you problems? You know how important a great stencil is in creating a great screen print. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |