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    The domestic and foreign trade
    of phosphorous chemical products

    We win by quality

    PRODUCTS

    We are committed to making the company a fine phosphate production enterprise with "prominent main business, reasonable structure, advanced management science, advanced culture, friendly environment and harmonious atmosphere".

    Sodium tripolyphosphate (technical grade)STPP

    Application grade: technical grade
    Content: 94(%)
    Particle size: white powder(mesh)
    CAS RN: -
    Executive standard: GB9983-88
    Brand: Junlin
    as detergent auxiliary, in petroleum, metallurgy, mining, water treatment, etc.
    English name: sodium tripolyphosphate
    Alias: Pentasodium Tripolyphosphate
    Molecular formula: Na5P3O10
    Molecular weight: 367.86()
    Performance features: white particle or powder, apparent density 0.35-0.90g/cm3, melting point 622℃. Easily soluble in water, PH of 1% aqueous solution is 9.7.
    Uses: This product is mainly used as water softener for industrial water, dyeing auxiliary, or as dispersing agent for paint, kaolin, magnesium oxide, calcium carbonate, etc.
    Product quality: meets GB9983-2004 standard.
    Technical requirement:

    Technical index Index
    superior product First-class product Qualified product
    Sodium tripolyphosphate (Na5P3O10) %≥ 96 90 85
    Phosphorus pentoxide(P2O5) %≥ 57.0 56.5 55.0
    Water insoluble matter %≤ 0.10 0.10 0.15
    Iron (Fe) %≤ 0.007 0.015 0.30
    PH value (1% aqueous solution) % 9.2-10.0
    Whiteness %≥ 90 80 70
    Particle size1.00mm test sieve residue on sieve %≤      
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