WhiteTRF is used for creating a silk-screen layer on either side of the board. Black toner will transfer equally well to either copper or raw fiberglass board with unnoticable micro breaks in the image when the toner image drops from going over copper down to the bare board.

To get a professional look to your boards, add the silkscreen layer from your circuit design software and add it to the board after the board has been etched and cleaned up. Each pack containts a strip 8" Wide x 15' Long