Fumed Silica

 

Description:Fumed Silica
Details of the content

Product Name:Fumed Silica

Characteristic:It is a white and colloidal micro-particle with its primary micro-particle from 5-40 nm and has properties such as thixotropy, reinforcing, thickening and filling etc. and is insoluble in all kinds of solvents and liquids except hydrofluoric acid and concentrated bases.

Appreance:Powder

Package10kg/Paper bag

Advantage of Fumed Silica

1. High properties: This series' products are popular for their favorable price,good quality and high properties

2. Excellent thixotropy, thickening anti-settling

3. Easy dispersion brings unique coating appearance properties

Application

Censil-150:It is mainly used for acidic silicone rubber, RTV silicone rubber (low moisture content) and neutral silicone rubber.

Censil-200:It is mainly used for high-temperature vulcanized silicone rubber, organic silicone defoamer, advance printing ink, powder coating, PVC resin, unsaturated polyester resin thickening, thixotropic agent, pharmaceutical powder, tabular preparation, cosmetics etc.

 Censil-300:It is mainly used for silicone rubber, silicone grease and sealing materials of capacitance packaging with high transparency and high tear resistance.

 Censil-380:It is mainly used for printing ink (copy toner), coating, plastic, toothpaste, food, medicine, cosmetics, silicone rubber, sealant, adhesive, gel battery composite material, industriallubricating oil, unsaturated polyester resin, layered resin and gel coat, insulation glue of cable and cable gel, thickener of synthetic grease, plant protection etc.


 

 Specification

 

CENSIL 150

 

CENSIL 200

 

CENSIL 300

 

CENSIL 380

  Appearance

 White

  Powder

 White

  Powder

 White

  Powder

 White

  Powder

Whiteness

98

98

98

98

 Heating  loss

(105°C 2h) %

0.5-1.0

1.5

1.5

1.5

Ignition Loss 1000°C 2h

(Dry Basis) %

1.0-2.0

2.0

2.0

2.5

DBP(Oil absorption value)  cm3/g

-

180

 

180

PH value(5% Aqueous Suspension)

3.5-4.5

3.5-4.5

3.5-4.5

3.5-5.5

SiO2(Dry Basis) %

≥99.9

≥99.9

≥99.9

≥99.9

BET Specific

Surface Area m2/g

150+15

200+25

300+25

365

Particle size

   14-20

14-20

14-20

14-20

Bulk density m2/g 

   40-50

40-50

-

-


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