Precipitated Silica 7631-86-9

Price: US $ 700 - 750 / Ton
Brand Name:
Model Number: 160
Country/Region: China
Post Date: Mar 09,2012

Product Description: Precipitated Silica 7631-86-9


Precipitated hydrated silica with SiO2 90% Min

Appearance: white powder

Precipitated Silica 7631-86-91. Precipitated hydrated silica(SiO2.nH2O)

CAS NO : 7631-86-9

EINECS NO: 231-545-4

Molecular Formula: SiO2.nH2O 

      White carbon black is white, porous powder, specific surface area is very big, can dissolve in treatments and hydrofluoric acid, insoluble in water, solvents and acid (hydrofluoric acid except). High temperature resistant, non-flammable, tasteless, odorless.
Has the very good electrical insulation. It is widely used in tire, rubber, plastic, glass glue, cable, paint, etc.

 

2.APPLICATIONS

Good transparent rubber product, shoe-making material, additive of plastic and polyester, cover of cable and electric wire, strenghthening agent of light colored rubber, carrier of forage additive, pigment additive.

 

3. Quality Specification:

Precipitated Silica

Standar  HG/T3066-3073-1999

Item

specification

180

160

SiO2 content,%

≥90

colour

Better than, equal to the standard sample

Residue (45um)%

≤0.1

Heating loss%

5.0-6.0

5.17

Loss on ignition%

≤6.0

≤5.63

PH value

6.0-7.0

6.90

Total iron content (mg / Kg)

≤300

≤285

DBP absorption (cm3 / g)

2.30-3.00

2.50

Surface area (m2 / g)

170-200

156

Sulfate%

≤0.3

≤0.7

Average particle size (um)

10.0-15.0

 

 

4.Packing   

Packed with double-layer plastic bag. The inner layer is made of PE and the outer layer is the woven bag made of polypropylene. Net weight is 20KGs.

 

5.Pictures

              

 

 

 

 

 

 

 

  

   

 

 

Supplier Details:

Sanming Hui Hong Goods And Materials Trading Company Limited

Sales:Ms. Stella Liu

Contact Phone:86-595-22473175

Main Products:zinc sulfate heptahydrate,ZnSO4.7H2O,Precipitated Silica (white carbon black),graphit

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