paint composition for graphic arts made with substances used in the food industry

摘要

The varnishes in object are made of: shellac (E904) in alkaline water solution with eventually the addition of food and/or food additives marked by the letter "E" with relative code number. Exception is the case where the varnish has to be drawn on fat traditional offset inks: in that case in addition to the a/m components it is necessary a very small percentage of surfactant. The percentage of the various components is very variable as it depends on the: œ” Kind of industrial application œ” Viscosity you wish to obtain œ” Percentage of dry in the formulation It is possible to obtain varnishes completely gluten-free and lactose-free. The field of application concerns the graphic arts in general.