Is sodium hexametaphosphate better in powder form or in flake form?

 Sodium hexametaphosphate has many uses. It is used in industry and food additives, and it has outstanding performance among phosphates. Sodium hexametaphosphate on the market is not only from the raw materials but also the finished products, it is very diverse, which makes people feel picky. In fact, from the shape of sodium hexametaphosphate, it can be roughly divided into white powder crystals, or colorless transparent glass flakes or block solids. Which one is better in performance?


Sodium hexametaphosphate is a colorless transparent glass flake or white granular crystal. The relative density is 2.484 (20℃), and the melting point is 616℃ (decomposition). Easily soluble in water but insoluble in organic solvents. It has strong hygroscopicity, and it can gradually absorb moisture when exposed to the air and become a viscous gel. In fact, performance has nothing to do with its traits.


The flaky sodium hexametaphosphate does not need to go through the turbo pulverizer, vibrating sieving process like powder.


Sodium hexametaphosphate of Chuandong Chemical Group is produced using thermal phosphoric acid. As a linear polyphosphate glass body, sodium hexametaphosphate has a pH value tending to be neutral. The corrosion inhibition effect of carbon steel is especially prominent with sodium hexametaphosphate, which has complex, boil, and adsorption and dispersion effects on calcium, magnesium, and ions in water.


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