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Products > Fused silica making process > > Fused silica lump
Product name : Fused silica lump
Item : 201342223026
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Details:

 

Fused silica Lump 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 granular and powder 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 application:
Refractory, ceramic, investment casting, foundry, epoxy molding compound, fusion bounding epoxy powder coating.

Fused silica chemical composition

 
Grade A
Grade B
Grade C
SiO2
>99.9%
>99.8%
>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 size:

 

Lump:1-6CM,5-30MM,1-5CM
Other requirement of chemical composition and size are available.
 
Packing:
In big bag of 1-1.3MT/bag net each,

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