Check the listing for details. Airtech 25 Micron Medium Grade Offset Spray Powder 5 lb. Condition: New. Listed at 55.00 USD. Airtech medium grade spray powder (25 micron) is a high-quality anti-setoff powder designed for offset lithographic printing. It prevents ink offset by creating a fine barrier between freshly printed sheets, allowing safe stacking without smudging or transfer while inks dry. Ideal for use with Airtech spray units and compatible systems, this non-toxic, FDA-approved, non-abrasive, humidity-resistant powder ensures consistent performance in professional printing environments. Packaged in sealed 5 oz bags (16 per 5 lb box) to maintain freshness and prevent clumping. Perfect for sheetfed offset presses handling various paper stocks. Reliable offset printing spray powder, anti-offset powder, anti-setoff spray powder for high-volume jobs.