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Address: No. 3 Jizhou Road, Liangshi Road, Shunde District, Foshan City, Guangdong Province
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silica powder

Affiliate classification
Chinese name :
硅微粉
English name :
silica powder
Molecular formula :
SiO₂
Molecular weight :
60.08 (According to the 1979 International Atomic Scale)
CAS :
7631-86-9
EINECS :
231-545-4
H.S. Coding :
25061000
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Describe

 

Quartz powder

 

Product NameQuartz powder

 

Chemical FormulaSiO2                

 

Relative Atomic Mass60.08

 

C A S NO.7631-86-9      

 

EINECS NO.231-545-4      

 

H.S.Code:25061000

 

Product introductionWhite powder,very light weight.

 

Introduction:Silicon micro-powder fire resistance greater than 1600 °C, bulk density: 200 ~ 250 kg/m3. The fineness of silica fume less than 1 micron accounts for more than 80%, the average particle size is 0.1 ~ 0.3 micron, the specific surface area is :20 ~ 28m/g. , its fineness and specific surface area are about 80 ~ 100 times of cement, , 50 ~ 70 times of fly ash

 

Application:The silica powder can be divided into: silica powder for paint coating, silica powder for epoxy floor, silica powder for rubber, silica powder for sealant, silica powder for electronic and electrician grade plastic sealing materials, and silica powder for precision ceramics.

 

1. Silicon powder for paint coating

Main specifications:600 mesh--2500 mesh      SiO2:>99.5%

Whiteness: 70-94 degrees.         Hardness: 7(Mohs’scale of hardnes)

Oil absorption, low mixing viscosity, good dispersibility and fluidity, small Angle of rest formed by accumulation, friction resistance

 

2. Silicon powder for epoxy floor

Main specifications:600 mesh--1250 mesh      SiO2:>99.5%

Whiteness: 70-94 degrees.   Hardness: 7(Mohs’scale of hardnes)

Low viscosity, good fluidity, good accumulation, easy to compaction, easy to combine with epoxy resin. Compared with traditional silicon powder, epoxy resin dosage can be saved.

 

3..Silicone powder for rubber

Main specifications:1250 mesh--5000 mesh      SiO2:>99.5%

Whiteness: 70-94 degrees.   Hardness: 7(Mohs’scale of hardnes)

Wear-resisting rubber products including rubber sheet, tube, belt, roller, it requires that the mixed gel has good permeability and strong cohesiveness, experimental results show that populate the silicon powder mixing rubber embodies the rubber thin, good permeability, good dispersibility, unique properties, such as strong bonding is advantageous to the mixing glue on the brush paint on the canvas and strengthened the film and the adhesive strength between canvas and break strength of the products, permanent deformation and other mechanical properties

 

 

4.Silicone powder for sealant

Main specifications:1250 mesh-       SiO2:>99.5%

Whiteness: 80-94 degrees.   Hardness: 7(Mohs’scale of hardnes)

The water content of silicon powder after treatment is less than 0.1%, which can improve the adhesive strength, yield value and shear force dilution index of the colloid. It has the function of thickening, strengthening, tearing resistance and aging resistance.

 

5. Silicon powder for electronic grade and electrical grade plastic sealing materials

Main specifications: 5000 mesh-       SiO2:>99.7%

Whiteness: 92 degrees.   Hardness: 7(Mohs’scale of hardnes)

 

Technical indicators:

 

Testing Items

SiO2

Al2O3

Fe2O3

MgO

CaO

NaO

PH

The average

75~96%

1.0±0.2

0.9±0.3%

0.7±0.1%

0.3±0.1%

1.3±0.2%

中性

 

Corresponding parameter set not found, please add it in property template of background
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