Our offices are closed as per Governor Cuomo's Executive Order for "New York State on Pause". We will reopen and resume shipping when the executive order has been lifted. Please stay safe and healthy.



Diazo Emulsions

Diazo based emulsions require the use of a sensitizer, known as diazo, which will activate the photo emulsion to become light sensitive. Once sensitized, the photo emulsion will have a shelf life of between 4 and 6 weeks.