8457 - Nalco

It is formulated for open recirculating systems. For closed loops (chilled water, hot water heating), Nalco recommends products like NALCO 2000 series or NALCO 39 series.

The substances in NALCO 8357 are included in or exempted from major chemical inventories, including the U.S. TSCA inventory, the Canadian DSL, Australia’s NICNAS, China’s IECSC, and Japan’s ENCS. Users should verify compliance for their specific country.

: It targets and alters raw water properties, removing impurities before they pass into downstream cooling or boiling processes. nalco 8457

As with all industrial chemicals, the efficacy of Nalco 8457 depends on proper application.

Corrosion in cooling towers occurs via electrochemical cells. The anode (where metal dissolves) is the target. Nalco 8457 contains orthophosphate that reacts with ferrous ions (Fe²⁺) to form a stable, tight barrier of . This layer is non-porous, effectively choking the anodic reaction. It is formulated for open recirculating systems

Answer: It is the internal grade code for high-purity smelter-grade alumina with strict control over SiO₂, Fe₂O₃, and Na₂O, ensuring high current efficiency in smelting.

– Clean, film-free surfaces mean lower energy costs. Even 1/32 inch of scale or corrosion byproduct can increase energy consumption by 10–15%. As with all industrial chemicals, the efficacy of

NALCO 8457 is classified as an industrial water treatment chemical. While not acutely hazardous in normal use, proper precautions are necessary.