SK-36 / SK-40Shaped refractories
SK-32 / SK-35Fireclay brick
Alumina-silicate brick based on refractory clay and chamotte with strong abrasion, corrosion and spalling resistance.
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PRODUCT / SK-32 / SK-3501 / APPLICATION
Application and operating zones
Coke and glass furnaces, cement and lime rotary kilns, incinerators, reheating and general industrial furnaces.
02 / TYPICAL DATA
Technical specifications
PropertyTypical value
Al₂O₃35-46%
Apparent porosity23-26%
Cold crushing strength20-40 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 | Fe₂O₃ |
|---|---|---|---|---|---|---|---|
| SK-32 | 32 | 26% | 2.10 g/cm³ | 20 MPa | 1250°C | 35% | 3.0% |
| SK-33 | 33 | 24% | 2.15 g/cm³ | 30 MPa | 1300°C | 38% | 2.2% |
| SK-34 | 34 | 23% | 2.20 g/cm³ | 35 MPa | 1350°C | 40% | 2.0% |
| SK-35 | 35 | 23% | 2.25 g/cm³ | 40 MPa | 1380°C | 46% | 2.0% |
Properties are shown as typical values. The operating grade and guaranteed values are selected for the service conditions and fixed in the supply specification.
