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Fumed Silica

Fumed Silica

其他信息

Appearance:

white powder of amorphous structure.

CAS No.:

112945-52-5

Certification:

ISO9000, SGS, BV

EINECS:

231-545-4

Molecular Formula:

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Product Name : Fumed Silica

CAS No.: 112945-52-5

Formula: Sio2

EINECS: 231-545-4

Classification: Silicon Dioxide

Grade Standard: Industrial Grade

Kind: Inorganic Silicon

Quality Specification:

 TypicalProperties  unit                                               Hydrophilic
  SSA-90   SSA-150   SSA-200   SSA-300
 Specific SurfaceArea(B.E.T.)  m2/g   90±15   150±20   200±25   300±30
 pH valuein 4% dispersion  –   3.7-4.7   3.7-4.7   3.7-4.7   3.7-4.7
 Drying Loss(2hr. at 105ºC)  wt. %   ≤ 1.0   ≤ 1.0   ≤ 1.5   ≤ 1.5
 Ignition Loss(2hr. at 1000ºC)  wt. %   ≤ 1.0   ≤ 1.0   ≤ 1.5   ≤ 2.0
 SiO2-content  wt. %   99.8%   99.8%   99.8%   99.8%
 Bulk Density  g/l   50   50   50   50
 TypicalProperties  unit                                               Hydrophilic

 Features:

Fumed silica is a fluffy, white powder of amorphous structure. Because of its extremely small particle size and spherical morphology, high surface area, unique surface chemistry and high purity, this product is being used in various industrial applications.The average diameter of the spherical primary particle varies from 7 to 40nm by using different reaction conditions during flame hydrolysis.

Application:

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 finishr.

Storage

Store in a cool and ventilated warehouse. The storage temperature should not exceed 37 ºC. Keep away from fire and heat source. Keep the container sealed. It should be stored separately from oxidant, reducing agent, halogen, etc., and avoid mixed storage.

Explosion proof lighting and ventilation facilities are adopted.

 Packaging:

 25kg/bag

Other package sizes are available upon request.

Period of validity

24 months.

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