Castable – LN-90K

Refractoriness: ≥1500 °C Bulk density : ≥2.7 g/cm3 Compressive strength: After drying at 100°C for 24h: ≥85 MPa After heat treatment at 1100°C for 3h: ≥90 MPa After heat treatment at 1500°C for 3h: ≥100 MPa Bending strength: After drying at 100°C for 24h: ≥8 MPa After heat treatment at 1100°C for 3h: ≥10 MPa After heat treatment at 1500°C for 3h: ≥12 MPa Linear change: After heat treatment at 1100°C for 2h: ±0.1 % After heat treatment at 1500°C for 2h: ±0.3 % Abrasion Resistance: After heat treatment at 1100°C for 3h: 6 Chemical Analysis: Al2O3+SiC ≥75 %