Product Main

Specifications

  • Name: Sodium metasilicate,
  • Materialization nature : non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid. The solution is alkaline, which presents detergency, emulsibility, dispersity, wettability, permeability and the buffer ability to the PH value, belonging to inorganic salts product, very hygroscopic and deliquescet when exposed to the air..
  • Use: In wash industry, textile industry, Paper & Printing Industry, ceramic industry, metallurgical industry, construction field ect
  • Packing: 25kg in PPbag or packed according to requirements.
  • Specification:

    Na2SiO3 H2O quality standards(HG/T2568-94)


    ITEM

    NATIONAL QUALITY INDEX

    TESTING RESULT

    Sodium oxide(Na2O)%

    50.50±1.00

    51.44

    Silica(SiO2)%

    46.00±1.00

    46.43

    Iron(Fe)%

    ≤200ppm

    77

    Bulk density(g/cm3)

    1.05-1.35

    1.23

    Particle Size(20-65mesh)%

    ≥93.0

    99.66

    Whiteness

    ≥85

     

    Na2SiO3 9H2O quality standards(HG/T2568-94)


    ITEM

    NATIONAL QUALITY INDEX

    TESTING RESULT

    Sodium oxide(Na2O)%

    28.5-30.0

    28.9

    Silica(SiO2)%

    27.3-29.2

    27.7

    Iron(Fe)%

    ≤0.03

    0.005

    Water-insoluble substances%

    ≤0.2

    0.05

    Whiteness

    ≥75

    85

    Na2SiO3 5H2O quality standards(HG/T2568-94)


    ITEM

    NATIONAL QUALITY INDEX

    TESTING RESULT

    Sodium oxide(Na2O)%

    20.0-22.0

    21.9

    Silica(SiO2)%

    19.0-22.0

    21.5

    Iron(Fe)%

    ≤0.05

    0.005

    Water-insoluble substances%

    ≤0.30

    0.05

    Whiteness

    ≥70

    85