82009, Novolack, O-Naphto-Chinon-Diazide Etching Chemical for Etching in Liquid

Positive photo-sensitive lacquer for manufacturing printed circuit boards, with clear copper tracks laminated onto epoxy FR4 or Bakelite.
Positive work: can be used with a Mylar transparent film or a single traced design; the printed circuit diagram is always the image of the original positive.
Blue sensitive layer is resistant to etching agents when not insulated.
Perfectly uniform, even layer.