A more practical approach would be to keep your Translucency in a sealed zip-lock bag until it's time to print separations, then return the printed separations to the bag for storage until you expose the screens. If money is no object, climate control the room with your laser printer and exposure unit at 30% RH. What you are trying to accomplish is a stable moisture level for all your sheets of Translucency. Canson XL Series Bristol Vellum Paper Pad, Heavyweight Paper for Pencil, Vellum Finish, Fold Over, 100 Pound, 11 x 17 Inch, Bright White, 25 Sheets 4.8 4.8 out of 5 stars (4,629) 16.26 16. In an ideal situation all of the sheets would be at 30% RH, the lower the RH the better, however it is better to have all the sheets at 65% RH, rather than have some at 30% and some at 45%. This matter is further complicated because relative humidity is constantly changing with the weather. A sheet printed at 65% RH and one at 45%, will shrink by different amounts respectively, and separations won't align. Your laser printer applies heat that drives out moisture and contracts the page. Pages wiith different moisture levels will print differently. The dilemma is that the page at the top of the stack may achieve 65% RH, while 10 sheets down may be only at 45% RH. 11x17 Pkg 10 1000H Clearprint Vellum Drafting Paper 16lbs. Home DraftingSteals Benefits Payment Options. When our hermetically sealed package of Caseys' Translucency is opened, it absorbs moisture from the air. Vellum Packed : Cartons Basis Size : 25x38 - Basis 70 20x26- Basis 65 Cover. Vellum Sheets 1000H Clearprint Vellum Vellum Paper: Clearprint Drafting Paper Vellum sheets 8.5x11 to 36x48 in size of Clearprint 1000H 16lb. These difficulties are easily fixed and can be attributed to differences in humidity. A few customers, who live in moist climates have experienced difficulties with registration of color separations. Wausau Paper Exact Vellum Bristol 67 Card. Casey's Translucency is manufactured at approximately 30% relative humidity (RH), which is fairly dry. Home Paper and Card Stock Wausau Paper Exact Vellum Bristol 67 Card Stock 11x17 in.
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