If the dryer can be loaded from the stencil making room and unloaded from outside this will minimise movement in and out of the room. Processed screens should be positioned in a vertical screen dryer ready for re-touching prior to printing. Screens simply won’t dry enough in a hot, humid box! Do not leave dried screens in the dryer for longer than necessary remove to a sealed storage cabinet when dry.ĭrying and retouching. The wet air should be exhausted out of the dryer, or recirculated through a dehumidifier to remove the moisture.
The drier must use warm, dry air <35☌ & <40% RH.
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For more How To information on processing Capillex films click on the following link: How To Guides to processing Capillexĭrying cabinet. Top tip: Capillex screens can be dried print side up as the polyester backing film will protect the stencil from drips. Do not dry emulsion screens vertically as this will lead to 'curtaining' of the emulsion, especially on coarse mesh counts. Top tip: Always coat slowly to reduce air bubblesĮmulsion screens should be dried horizontally with the print side down to allow the wet emulsion to settle on the print side. For more How To information on coating PLUS emulsions click on this link: How To Guide to coating PLUS emulsions
The dried degreased screens can be taken straight from the vertical dryer into the coating machine to minimise exposure to airborne contamination.