Colourï¼?Blue Classificationï¼?Dizao Viscosityï¼?10000cp Solid contentï¼?27% Mesh gauzeï¼?Polyester , Nylon. Applicationï¼?PCB , FPC , Nameplate , Cover glass , General printing. Noticesï¼? 1. Darkroom has be required. 2. Add diazo powder into 60g-80g water and dissolve , let it stand still for 8 hours after blended with photo emulsion. 3. Adjust the exposure time or energy depends on different UV lamps types.