200mesh Fused Silica Powder for Investment Casting

Model NO.
fused silica powder
Specification
200mesh
Origin
China Lianyungang
HS Code
32074000
Production Capacity
8000mt/Year
Reference Price
$ 459.00 - 522.00

Product Description

Investment Casting Grade Fused Silica Specifications:
 
1 . Physical Properties
1.1 Composition SiO 2
1.2 Structure Amorphous
1.3 Colour Transparent or white
1.4 Melting Temperature approx.1750 ºC
1.5 Specific Gravity 2.21g/cm 3
1.6 Hardness 7 Mohs
1.7 Thermal Expansion 0.5*10 -6

2 .

Chemical Properties
    Investment Casting Grade
2.1 SiO 2 >99.85%
2.2 Al 2 O 3 <100ppm
The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.
2.3 Fe 2 O 3 <60ppm for grains
<100ppm for powder
2.4 CaO <30ppm
2.5 Na 2 O <30ppm
2.6 K 2 O <30ppm

3.   Particle Size Distribution
  Standard 
  10-20 30-50 50-100 -120 -200 -325
Mesh Microns            
+8 2360 <2          
+12 1700 6-25          
+16 1180 33-50          
+20 850 25-45 <1        
+30 600 13 25-40        
+40 425   32-45        
+50 300   15-30 <13      
+70 212     30-60      
+80 180   0-11     <1  
+100 150     28-51 <10 <1  
+140 106     4-16 7-13 <10  
+200 75     <2 10-15 <10 <3
+325 45       14-20 15-30 4-11
Pan   <3 <2 <1 45-55 70-80
* Pan designates the percentage of fused silica passing the last reported screen for each size.

Fused Silica Pictures:


200mesh Fused Silica Powder for Investment Casting
200mesh Fused Silica Powder for Investment Casting
200mesh Fused Silica Powder for Investment Casting
200mesh Fused Silica Powder for Investment Casting 200mesh Fused Silica Powder for Investment Casting



Package and Delivery:

Paper bags

200mesh Fused Silica Powder for Investment Casting

200mesh Fused Silica Powder for Investment Casting
200mesh Fused Silica Powder for Investment Casting

200mesh Fused Silica Powder for Investment Casting


Plastic Woven Bag of 25kg Net each,Then on Pallet:


200mesh Fused Silica Powder for Investment Casting


Factory and Quality Control Pictures:


 

 

LEGALIS.IT, 2023