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Hydrophobic Silica
Fumed silica (HX-200)
Fumed Silica (HX-150)
Fumed SilicaHX- 200 ( Pharmaceutical grade )
Fumed Silica HX-380
Precipitated Silica
Address:Zone Dawang Guangrao County dongying city of shandong
Zip:257335
Tel:86-546-6891866
Fax:86-546-6893692
Url:www.sdhxxy.com
E-mail:yxw@sdhxxy.com
 
Product
Precipitated Silica

  

  Other Name: white carbon;White carbon black,combustion method;Pelleted Hydrated Silica;Hydrated Silica;Silicon dioxide hydrate;Silica, hydrate; Silica.

  CAS No.: 10279-57-9

  EINECS No.: 238-878-4

  Formula: SiO2.x(H2O)。

  Package: 20kg/Bags

  10M.T for 1*20ft.

  20M.T for 1*40ft

  Precipitated Silica as a kind of environmental protection, excellent agents, mainly used for rubber products (including high temperature vulcanization silicone rubber), textile, paper making, pesticide, food additive field. Precipitated silica has strong adhesion strength, tear resistance and heat-resistant anti-aging performance, so can replace part of the carbon black in the black rubber products, in order to obtain high quality rubber products, such as off-road tires, otr tires, radial tire, etc.

  In addition It can also be used in fire fighting agent, feed, cosmetics, flatting agent, paint, paint and many other industries.

  技术参数:

Item

Test Standard

Result

Exterior

White powder

 

White extent

Better or equal to standard

 

 

S iO2 (dry product)/%

≥90%

          92%

Loss on drying 105deg.C2h

4.0—7.5

5.0

Loss on ignition(dry product)1,000deg.C 2h (%)

3.0—5.5

3.5

PH value

6.07.5

6.5

BET Specific surface area( /g)

150-190

186

DBP absorption value( ³/g)

≥3.1-3.6

3.2

Total iron content(mg/kg)

≤500

280

Total copper content(mg/kg)

≤30

20

Total manganese content(mg/kg)

≤50

25

Sieve residue4.5um%

≤0.5

0.1

Mesh size 

325

325

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