 Spray powder is not used on rotary presses including rotary letterpress, web offset (often used for printing magazines), flexographic (often used for printing flexible packaging and labels) or gravure (often used for printing long-run catalogues).Similarly, spray powder is not generally used in sheet-fed (silk) screen-printing, ink-jet or toner based digital printing.In the UK, many Carrom players use a version of anti-set-off spray powder from the printing industry which has specific electrostatic properties with particles of 50 micrometres in diameter.