Blackening spray for laser prints on translucent matt polyester—extraordinary darkening toner in laser print positives. Black Covering is a toner density enhancer spray for laser positives.
Toner enhancing spray is a special spray that enhances the opacity of laser prints on matt polyester (semi-translucent polyester).
This is the ideal solution to obtain high-quality positives and optimal development for various graphic techniques. This type of spray works on most laser prints made on polyester for lasers. But you have to do tests because there are toners that work better than others and in some cases it is ineffective. Mineral composition toners often work better than others.