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Precipitated Silica Toothpaste Grade

Overview - Precipitated Silicas

Precipitated Silicas

Advsil® Precipitated Silica Toothpaste Grade

Chemical name: SILICON DIOXIDE
Molecular formula: SiO2 * nH2O
Chemical structure: O=Si=O

Advsil®TT-1/TA-1 Precipitated Silica is used as thickening agent in toothpaste. Manufactured according to ISO standards. In China, there are many silica makers. Itis leading in toothpaste/dental grade. It has excellent compatibility with active ingredients. And good to improve cleaning and protecting our teeth.

Technical Index

Specification Advsil®

105C℃ volatile, %



pH Value(25℃, 5%Aqueous Solution)

6.5 - 8.5

6.5 - 8.5

Ignition Loss of Drying Agent(900℃), % 



More than 45um Wet sieve, %



Na2SO4+NaCL, % 



Water Absorption Rate, ml/20g  


50 - 60

Average Particle Diameter, um


8 - 11

Apparent Density, g/mL ≤ 0.20   <=0.20

Content Of Silica, % 

>=98 >=98

Arsenic, mg/kg 

<=2 <=2

Heavy Metal, mg/kg 

<=15 <=15

Content of Iron(Fe), mg/kg  

<=350 <=350

Note: Above index is from general products for reference, actual products would be a little different.
Packing: Available in 20KG bag, or other packing on request.
Transport with non-hazardous chemicals. Store in original container only.
Keep container tightly closed and store in cool, well ventilated place. Shelf life: 3 years.