is a proprietary, multi-functional liquid treatment chemical manufactured by Ecolab’s Nalco Water division. It is primarily formulated for use in open recirculating cooling water systems , though it finds limited application in closed loops and once-through systems.
Because this is a hazardous industrial chemical, users should strictly follow the guidelines: nalco 3688
: According to its Safety Data Sheet (SDS) , the product is a colorless, mild-scented liquid with a high pH of 13–14, indicating its strong alkaline nature. is a proprietary