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Products > Fused silica making process > > Fused silica sand
Product name : Fused silica sand
Item : 20134323841
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Details:

Fused silica Sand introduce :

Fused silica is made of high purity crystal silica by electrically fusing (fusing temperature 1800-2000℃) to amorphous Silicon dioxide , then it was classed to different grades by manual and then specially engineered to sand form. Because fused silica has a very low thermal conductivity and excellent thermal shock resistance, it is used in lots of fields of investment casting,refractory,ceramic,epoxy modling compound,fusion bounded epoxy.

 

Fused silica sand application:

Refractory, ceramic, investment casting, foundry, epoxy molding compound, fusion bounding epoxy powder coating.

chemical composition
 

 
Grade A
Grade B
Grade C
SiO2
>99.9%
>99.85%
>99.7%
AL2O3
<0.01%
<0.02%
<0.08%
(The finer the powder,the higher AL2O3.
Fe2O3
<0.003%
<0.005%
<0.01%

Fused silica sand size:

0-0.5mm,0.5-1mm,1-3mm,3-5mm
4-10mesh,10-20mesh,30-50mesh,6-50mesh,50-100mesh


Other requirement of chemical composition and size are available.

Packing:

In big bag of 1-1.3MT/bag net each,
In plastic woven bag of 25kg net each, then 1-1.3MT on 1 pallet.
In paper bag of 25 kg net each, then 1-1.2MT on 1 pallet.

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