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Precipitated Silica IOTA FINE SIL520A


IOTA FINE-SIL520A precipitated silica for toothpaste is amorphous powder, tasteless, insoluble in water or acid, chemically inert, has good solubility with fluoride toothpaste and other raw materials, structure and particle size of silica can be controlled by production conditions, according to different types of toothpaste, respectively produce 3 types: friction type, mixed type and thickening type.

 

Main specifications and technical data

IOTA FINE-SIL520A series has been tested, it is comply with the light industry standard of People's Republic of China QB/T2346-97

ITEM

Friction type

Mixed type

Thickening type

SiO2dried

95

98

98

Apperance

White Powder

White Powder

White Powder

Whiteness %

93

98

98

PH Vaule (5% water dispersion)

6.5-8.5

6.5-8.5

6.5-8.5

Pass 320 Mesh Screen %

98

99

99

Loss on Drying105℃)

10

10

10

Loss on Ignition900℃)%

8.3

6

6

Drink Value ml/20g

17-20

30-42

45-60

Na2SO4 content %

0.4

0.4

0.4

NaCl content %

0.1

0.1

0.1

Sulfide Content

None

None

None

Heavy Metals(Pb) Content

20

20

20

As Content mg/kg

2

2

2

Bacilli cfu/g

200

200

200


Package

White kraft paper bag, 10KG/Bag



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