Printight® Y type is a product that has been developed for sign application.
It is used by itself as a sign plate, after plate–making process and painting on the surface of the plate.
|Post exposure||a little bit longer than face exposure time|
It can be made with regular plate-making equipment of Printight®.
Remove the cover film and place a negative film on the undeveloped plate. Use a negative film having the optical density of no less than 3.0.
Expose the plate through the negative film to UV light having 360nm wave length. Determine the correct exposure time using a 21 steps grey scale. Follow "TIPS FOR Printight®" in each case.
Remove the negative film. Washout the exposed plate with water. Use the special washout machine suitable for TOYOBO Printight®. Washout time depends on the thickness of the plate. Follow "TIPS FOR Printight®" in each case. Rinse the washed out plate with fresh water.
Dry the plate in a hot-air dryer after taking-off the surface water with a sponge roll . Drying time depends on the type of the plate. Follow "TIPS FOR Printight®" in each case.
Expose the developed plate after drying again to UV light in order to get stability. Post exposure time should be the same or longer than main exposute time.