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Products > Fused silica making process > > Fused silica powder
Product name : Fused silica powder
Item : 20134222728
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Details:
Fused silica powder 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 powder form by ball mill. 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(EMC),fusion bounded epoxy(FBE).
 

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%
>99.8%
>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 powder size:

 

-100mesh,-120mesh,120F,DIN70,-200mesh,-270mesh,-325mesh
D50=17-19microns,D50=15-17microns,D50=10-12microns,
D50=6-8microns
Other requirement of chemical composition and size are available.
 
Packing:
In big bag of 1-1.2MT/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.

For more infomation,please feel free to contact us!

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