This product is acceptable for treating cooling systems in food processing areas where the water does not contact edible products (NSF Category G5/G7). Safety and Hazard Information
The "3DT" designation hints at its lineage—likely part of the Three-Dimensional Trasar technology, a sophisticated monitoring and control system. This is not simply dumping chemicals into a tank; it is precision chemistry. nalco 3dt 449 msds patched