Product Description

Please see below for details of STPP STPP Properties: 1. Appearance: white microdot powder with luster; 2. Melting point: **2 degree centigrade; 3. Solubility: easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+; 4. pH: slightly alkaline; 5. Without causticity. Technical Specifications of STPP: ***** grade: (1)Appearance: White powder (2)Main content: *4.0% min. (3)P2O5: *7.0% min. (4)pH of 1% water solution: 9.***0.0 (5)Iron, as Fe: 0.**5% max. (6)Water insoluble: 0.1% max. (7)Density: 0.**1.0 g/cm3 Application: 1. Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, as dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, and as preservative agent for paper making, organic synthesis catalyzer; 2. Used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry; 3. Also widely used in gum synthesis, foodstuff industry, and poultry process.