see page Tecnocorte in spain
http://www.tecnocorte.net/ http://www.tecnocorte.net/quimico.htm
they sell twenty-eight (28) different products to mark in black or colors on metal, ceramic, glass and plastics
This water based products which allows for a fast drying time and easy clean up that are easily applicable with paintbrush or foam brush
Also if adecuated diluted with water, are used in Spray gun, airbrush, Bird applicator, draw down bar.