Tongfa Abrasives Commercial Co.,Ltd


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Natural Sintered Mullite

Made from the natural high-quality bauxite, our product is through multi-level homogenization, and then calcined at over 1750° C. It possesses many good characteristics such as high bulk density, stable quality, good thermal shock resistance, small index of high temperature creep and good resistance to chemical corrosion. It is an ideal raw material for the following refractory products like a variety of shaped and unshaped refractories, advanced ceramic sanitary ware body, precision casting models and so on.

Technical Index:

Item Name Al2O3 SiO2 Fe2°3 r2o Bulk density (g/cm3) Water absorption (%)
M70 68-73 22-28 ≤1.2  

≤0.3

 

≤2.85 ≤3
M60 58-62 33-28 ≤1.1  

≤0.3

 

≤2.75 ≤3
M45 42-45 53-55 ≤0.4  

≤1.6

 

≤2.50 ≤2

Grain size

Specifcation (mm) Sieve mesh Typicl value of Particle composition (%) Min-Max (%)
5-3
+5 mm   4 0-8
+4 mm 5 40  
+2.8 mm 7 34  
-2.8 mm 7 5 0-8
3-1
+2 8 mm 7 4 0-8
+2.0 mm 10 40  
+1.0 mm 18 30  
-1.0 mm 18 5 0-10,,
1-0
+1.0 mm 18 3 0-8
+0.5 mm 35 40  
+0.125 mm 120 25  
-0.125 mm 120 20 10-30