SK-32 / SK-35Shaped refractories
JSIC60 / JSIC70Alumina SiC brick
Low-impurity fired mullite-SiC brick with strong abrasion, corrosion and thermal-shock resistance.
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PRODUCT / JSIC60 / JSIC7001 / APPLICATION
Application and operating zones
Kiln outlet, safety and upper transition zones in cement and lime kilns; rotary and non-ferrous furnaces.
02 / TYPICAL DATA
Technical specifications
PropertyTypical value
Al₂O₃58-70%
SiC6-7%
Cold crushing strength70-110 MPa
GRADE COMPARISON
Grades and technical properties
For each shipment, composition, geometry, and guaranteed properties are fixed in the specification and batch quality certificate.
| Grade | Refractoriness (SK) | Apparent porosity | Bulk density | Cold crushing strength | RUL @ 0.2 MPa | Al₂O₃ | SiO₂ | SiC | Fe₂O₃ |
|---|---|---|---|---|---|---|---|---|---|
| JSIC60 | 38 | 16% | 2.50 g/cm³ | 70 MPa | 1400°C | 58% | 27% | 6% | 1.8% |
| JSIC65 | 39 | 16% | 2.70 g/cm³ | 90 MPa | 1560°C | 68% | 16.5% | 6.5% | 1.7% |
| JSIC70 | 39 | 14% | 2.80 g/cm³ | 110 MPa | 1600°C | 70% | 15% | 7% | 1.5% |
Properties are shown as typical values. The operating grade and guaranteed values are selected for the service conditions and fixed in the supply specification.
