Ultra Violet LED Digital UV Exposure Unit 305 x 155mm - Fortex LV204LED, The LV204 LED UV exposure unit is a high quality British built UV unit that has been designed for use in the preparation of photosensitive materials for many industries including:- Production of Photo Resist PCB's ie Fortex Microtrak Pre sensitised Board Hot Foil Photo Polymer Plates Dry Film PhotoResist Letterpress Polymer Plates Cyanotype Printing etc Pad Printing Plates (Clichés) Sandblasting StencilsGlass etching Stencils or Rubber Stamps etc The LED Lamps are in the base which means the artwork has to be registered on the UV sensitive area and then placed face down onto the exposure area. Coloured white/black, each unit has a hinged lid containing a pressure pad which, when the lid is held closed by the two retaining clips, acts to force the artwork and sensitive material firmly together on the UV illuminated area. A 1:1 artwork, consisting of opaque transfers on translucent drafting film, is placed on the