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Contact SupplierFeatures of Exposure unit |
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Features of Washout unit |
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Features of Drying unit : |
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Features of Treatment unit |
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Flexo plate making process
| Back Exposure Expose UV light from the back side of Photopolymer to make floor first. |
| Contact of Negative film Peel-off protective film. Contact the emulsion side of negative onto the surface of Photopolymer |
| Main Exposure Expose UV light through the negative. |
| Wash-out Remove the negative, and process the plate in Flate Photopolymer washout unit. |
| Drying After wiping off the surface moisture by sponge roll, dry in a hot air dryer © 60° |
| Post-exposure Expose UVA light again to complete photo-curing. |
| After-treatment Expose UVC Germicide lamp as light finishing in order to remove surface stickiness. |
Letterpress plate making process
| Contact of Negative film Peel-off protective film and place negative film on undeveloped plate. Use negative having optical density of not less than 3.0 |
| Exposure Expose plate, through negative film, to UVA light. Determine the correct exposure time using a 21 step grey scale. Follow the Photopolymer plate supplier . |
| Wash-out Remove negative film & Wash exposed plate with water. Time depends on plate thickness. Follow the Plate Supplier TIPS. Rinse the plate with fresh water. |
| Drying Dry the plate in a hot-air dryer after taking-off the surface water with a sponge roll. Drying time is different due to the type of plate. Follow the TIPS FOR Photopolymer Plate' |
| Post exposure Expose the developed plate to UVA light again to get stability. Post exposure time should be the same or longer than the main exposure time. |