• Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
  • Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
  • Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
  • Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
  • Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
  • Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2

Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2

CAS No.: 7631-86-9
Formula: Sio2
EINECS: 215-683-2;238-878-4;262-373-8;231-545-4
Classification: Silicon Dioxide
Grade Standard: Food Grade
Kind: Acidic Oxide
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US$ 0/kg 1 kg(Min.Order)
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Basic Info.

Model NO.
Silicon Dioxide
Quality
Special Class
CAS No
7631-86-9
Other Names
White Carbon Black
Mf
Sio2
Purity
99.9
Color
White
Appearance
White Powder
Specific Surface Area(M2/G)
240
Volume Density(g/cm3)
0.063
Density(g/cm3)
2.2-2.6
Transport Package
25kg/Bag
Specification
Fumed Silica Precipitated Silica
Trademark
HBCS
Origin
Hebei
Production Capacity
5000000 Ton/Year

Product Description

Food Grade Silicon Dioxide Precipitated Silica |Gaseous silica/Fumed SiO2
 
Item UnIt HBCS-214
Appearance   White power
SiO2 content % >=99
BET  m2/g 191-220
Heating loss (105ºC.2h) % <=6.5
Ignition  loss (105ºC,2h) % <=6.0
PH value   6.0-8.0
DBP absorption value ml/g 2.0-3.0
Pour desity g/m3 0.2-0.26
From the slouble salt solution( By Na2So4) %

<=2.5
Particle size  um 60-150
Heavy metals (Pb) content mg/kg <=30
Total lead content mg/kg <=5
Total as content mg/kg <=3
Total Cd content  mg/kg <=0.5
 

Application of Silicon Dioxide

1, Rubber modified, sealant ceramic toughening modification, adhesives, functional fiber additive, plastic modification, paint aging additives;
2, Ceramics, nano ceramic, composite ceramic substrate;
3, Polymer: can increase the thermal stability and anti-aging polymer;
4, Flame retardant materials and coatings, high grinding medium, cosmetic products;
5, In cluster butyl benzene and chlorinated polyethylene adding a small amount of nano SiO2produce color rubber tenacity, elongation, strength, flexural performance and ultraviolet resistance and thermal aging performance and achieve or exceed epdm;
6, In traditional coating adding a small amount of nano silicon oxides, good solve the suspension stability, thixotropy and poor, poor finish.

 

Characteristics of Silicon Dioxide:

1) White dispersed powder

2) Can be dissolved by NaOH and HF, but cannot be dissolved by other kinds of acid, water and solvents

3) It has a good performance

4) With resistance to higher temperature

5) Will not combust and has good isolation

Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
Food Grade Silicon Dioxide Precipitated Silica Gaseous Silica/Fumed Sio2
 

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