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sintered mullite is made using high purity raw materials, such as imported industrial alumina and kaolin and after ultrafine grinding, balling and sintering at high temperature in shaft kiln. The product has high purity, good crystal growth, uniform expansion, good thermal shock resistance, high refractoriness under load, low creep at high temperature, and good resistance to chemical corrosion. It is an ideal material for the application in industries of iron and steel-making, ceramics, construction material, chemical, casting and other industries.The brand names of JMS-75,JMS-70, JMS-60 etc are available according to alumina content.
Available sizes from 15mm to 3㎛.
25kg/bag,1000kg/bag or other specific packing according to user’s requirements.
Item | JMS-75 | JMS-70 | JMS-60 | |||
Specification | Typical Value | Specification | Typical Value | Specification | Typical Value | |
Al2O3(%) | ≥74 | 75.82 | ≥69 | 71.56 | ≥58 | 60.22 |
SiO2(%) | ≥21 | 23.41 | ≥26 | 27.71 | ≥37 | 38.95 |
Na2O+K2O(%) | ≤0.40 | 0.28 | ≤0.40 | 0.25 | ≤0.40 | 0.23 |
Fe2O3(%) | ≤0.50 | 0.14 | ≤0.50 | 0.17 | ≤0.50 | 0.25 |
TiO2(%) | ≤0.40 | 0.15 | ≤0.45 | 0.18 | ≤0.50 | 0.22 |
Bulk Density (g/cm3) | ≥2.85 | 2.86 | ≥2.80 | 2.82 | ≥2.70 | 2.75 |
Apparent Porosity(%) | ≤3.00 | 2.20 | ≤3.00 | 2.50 | ≤3.00 | 2.30 |
Water Absorption(%) | ≤1.50 | 0.90 | ≤1.50 | 1.00 | ≤1.50 | 1.00 |
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