200mesh Fused Silica Powder for Investment Casting

Min.Order: 1
Product origin: Lianyungang, Jiangsu, China
Infringement complaint: complaintComplaint
US$ 510 ~ 580

Description
Investment Casting Grade Fused Silica Specifications:
 
1.Physical Properties
1.1CompositionSiO2
1.2StructureAmorphous
1.3ColourTransparent or white
1.4Melting Temperature approx.1750ºC
1.5Specific Gravity2.21g/cm3
1.6Hardness 7 Mohs
1.7Thermal Expansion 0.5*10-6

2.

Chemical Properties
  Investment Casting Grade
2.1SiO2>99.85%
2.2Al2O3<100ppm
The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.
2.3Fe2O3<60ppm for grains
<100ppm for powder
2.4CaO<30ppm
2.5Na2O<30ppm
2.6K2O<30ppm

3.  Particle Size Distribution
 Standard 
 10-2030-5050-100-120-200-325
MeshMicrons      
+82360<2     
+1217006-25     
+16118033-50     
+2085025-45<1    
+306001325-40    
+40425 32-45    
+50300 15-30<13   
+70212  30-60   
+80180 0-11  <1 
+100150  28-51<10<1 
+140106  4-167-13<10 
+20075  <210-15<10<3
+32545   14-2015-304-11
Pan <3<2<145-5570-8086-97
*Pan designates the percentage of fused silica passing the last reported screen for each size.

Fused Silica Pictures:









Package and Delivery:

Paper bags









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





Factory and Quality Control Pictures:


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