Ze rust -- it must stop! Northern Technologies International (NTI) keeps rust away with its proprietary corrosion-inhibiting packaging. Its ZERUST product line features special packaging that emits corrosion-inhibiting molecules and compounds; the packaging comes in films and bags, dunnage trays and bins, vapor capsules, and pipe strips for residue-free protection of pipes, thermal spray coatings, and cathodic protection technologies. NTI's customers include automotive, electronics, power generation, and metal processing firms. Northern Technologies International makes about three-quarters of its sales in the US.