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Sodium Metasilicate Pentahydrate

  • Molecular formula: Na2SiO3a•5H2O
  • Appearance: White particles
  • Sodium Metasilicate Pentahydrate
  • Specifications
  • MSDS
  • application
  • Inquiry
 
ITEM SODIUM METASILICATE PENTAHYDRATE GRANULA
SPECIAL RESULE SUPERIOR RESULE NORMAL RESULT
Na2O%

 

28.70-30.00 29.07 28.70-30.00 29.08 28.70-30.00 29.06
SiO2%

 

27.80-29.20 28.36 27.80-29.20 28.27 27.80-29.20 28.35
Fe(ppm)≤

 

80 39 100 42 150 67
Bulk Density g/cm3 0.90-1.10 0.93 0.90-1.10 0.93 0.90-1.10 0.93
PARTICLE SIZE%

 

14-60 mesh ≥95 99.53 14-60 mesh ≥95 99.28 14-60 mesh ≥95 99.22
Whiteness %≥

 

80 86.26 80 85.25 75 79.2
Water insoluble %≤

 

0.05 0.04 0.05 0.04 0.10 0.05
Transparence %≥

 

85 95.3

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ITEM SODIUM METASILICATE PENTAHYDRAT POWDER
SUPERIOR RESULE NORMAL RESULT
Na2O%

 

28.70-30.00 29.03 28.70-30.00 29.05
SiO2%

 

27.80-29.20 28.49 27.80-29.20 28.28
Fe(ppm)≤

 

100 45 150 72
Bulk Density g/cm3

-

-

-

-

PARTICLE SIZE%

 

Coarse than 30 mesh≤20% pass 60 mesh ≥49.48%

 

Coarse than 30 mesh≤16.89% pass 60 mesh ≥40%

 

Coarse than 30 mesh≤20% pass 60 mesh ≥40%

 

Coarse than 30 mesh≤19.4% pass 60 mesh ≥41.39%

 

Whiteness %≥

 

90 94.22 80 93.67
Water insoluble %≤

 

0.05 0.04 0.10 0.05
Transparence %≥

 

-

-

-

-


Characteristics: It is crystalloid with the relative bulk density of 0.8 to 1.0. The melting point of the product is 72.2ºC. It is easy for dissolving in the water and alkaline liquor but it is insoluble in the alcohol and acid. The alkaline aqueous solution will absorb the moisture in the open air. It is capable of removing dirt, emulsification, dispersion, moistening, penetrating and buffering for PH value. 
Application: This sodium metasilicate pentahydrate is widely applied in building all kinds of detergents, grinding aid for ceramics and metal surface, fire retardant, plastics and water protecting agent, auxiliaries for oil removing and textile dyeing, deinking agent for paper, etc.
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