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Inorganic salts | Sodium silicate solute


GOST/TC GOST 13078-81
CHEMICAL FORMULA Na2O+SiO2
APPEARANCE AND PROPERTIES

Dense liquid of yellow or gray color without visible solid impurities and inclusions. Precipitation during storage is permitted. Sodium silicate solute is fire and explosion safe.

USAGE

In construction as additives and impregnators. In chemical industry for production of silica gel, sodium metasilicate and lead silicate, cleaning and detergent agents. Also is used in soap, textile and paper industry. Is applied as flotation reagent in the foundry, as binding material for molds in ferrous metallurgy. Sodium silicate solute is also widely used as a universal adhesive for joining glass, paper, metal and wood.

TECHNICAL CHARACTERISTICS

 

Main specifications

Grade A

Grade B

For foundry and lute production

For catalysts, adsorbents, electrodes

For detergent and chemical production

For construction and flotation process

For glues and impregnators

For paper production

Mass fraction of silicone dioxide, %

22,7-29,6

24,3-31,9

29,5-36,0

24,8-34,3

24,1-35,0

24,8-36,7

24,8-34,0

27,2- 29,3

Mass fraction of iron oxide and aluminum oxide, %, not more

0,25

0,25

0,25

0,25

0,2

0,9

0,3

0,25

- including iron oxide

not regulated

0,05

not regulated

Mass fraction of Calcium oxide, %, not more

0,2

0,2

0,2

0,12

0,05

0,2

0,2

0,2

Mass fraction of sulfuric anhydride, %, not more

0,15

0,15

0,15

0,07

0,07

0,15

0,15

0,15

Mass fraction of Sodium oxide, %

9,3-12,8

8,7-12,2

10,9-13,8

9,0-12,9

8,7-13,3

8,1-13,3

8,0-12,2

7,9-8,8

silica modulus

2,3-2,6

2,6-3,0

2,6-3,0

2,7-2,9

2,6-3,0

2,7-3,3

2,7-3,4

3,4-3,6

Density, gr/cm3

1,36-1,45

1,36-1,45

1,47-1,52

1,36-1,50

1,36-1,50

1,36-1,50

1,36-1,45

1,35-1,40

 

PACKAGING Rail and road tanks, any kind of packaging.
STORAGE Any closely sealed package. At freezing and thawing preserve its properties even at the formation of sludge.
TRANSPORTATION By all means of transport
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