Are flat file cabinet drawers acid-free for archival storage?

Standard steel flat file cabinets are not inherently acid-free — they're made of steel, which itself is chemically neutral, but the paint finish and any interior liners may interact with very sensitive archival materials. For archival document storage, use acid-free folder stock or tissue interleaving between items rather than relying on the cabinet itself to provide acid-free conditions. Some flat file cabinets feature powder-coated paint finishes that are stable for archival use; others have interior surfaces that archival conservators recommend lining with acid-free paper or materials. For museum-quality archival storage, consult a conservation specialist for recommendations. FindOfficeFurniture.com — call 888-719-4960 for flat file options appropriate for long-term storage.