Complaint
| AL2O3% Composition | Density (g/cm3) | Flexural Strength (MPa) | Thermal Conductivity [w/(m.R)] | Dielectric Strength (KV/mm) | Working Temp. |
| 60 | 3.0 | 205 | 16 | 10 | 1000°C |
| 75 | 3.1 | 280 | 17 | 10 | 1250°C |
| 80 | 3.3 | 215.7 | 17 | 10 | 1290°C |
| 85 | 3.4 | 230 | 17 | 10 | 1350°C |
| 92 | 3.6 | 312 | 18 | 10 | 1390°C |
| 95 | 3.7 | 304 | 20 | 10 | 1480°C |
| 99 | 3.81 | 340 | 34 | 10 | 1600°C |
| 99.7 | 3.85 | 370 | 35 | 10 | 1700°C |
| Al2O3 content % | 70-75 | 85 | 95 | 99.7 |
| Density (g/cm3) | 3.0 | 3.4 | 3.7 | 3.9 |
| Bending Strength (Mpa) | 85N/MM2 | 300 | 364 | 450 |
| Expansion (X10-6/°C)(25-800°C) | 6 | 7 | 7.6 | 8 |
| Thermal Conductivity (W/(m.R)) | 17 | 18 | 20 | 35 |
| Dielectric Strength (kv/mm) | 9 | 10 | 11 | 12 |
| Working Temperature °C (Long time use) | 1300 | 1400 | 1600 | 1750 |
| Water Absorption % | 5 | <0.2 | <0.2 | <0.1-0.2 |
| Characteristics | Items | Types | |||
| VS-2000 | S-2000 | S-4000 | S-6000 | ||
| Physical properties | Bulk density(g/cm3) | ≥2.4 | ≥2.4 | ≥2.6 | ≥2.8 |
| Apparent porosity(%) | 20-23 | 20-25 | 15-20 | 10-15 | |
| Water absorption(%) | 8-10 | 8-12 | 7-10 | 4-7 | |
| Bending strength (25ºC/1350ºC,Mpa) | >55/35 | >50/30 | >60/50 | >70/60 | |
| Thermal expansion coefficient (*10(-6)/ ºC)(25~1000ºC) | 5.8-6.0 | 5.8-6.2 | 5.8-6.2 | 5.8-6.0 | |
| Thermal shock resistance(1300~25ºC) | Good | Very good | Very good | Good | |
| Working Temp(ºC) | ≤1200 | ≤1230 | ≤1300 | ≤1350 | |
| Composition | Al2O3(5) | 74-76 | 74-76 | 72-74 | 78-80 |
| SiO2(%) | 20-22 | 20-22 | 19-21 | 14-16 | |
| Fe2O3(%) | ≤0.3 | ≤0.3 | ≤0.3 | ≤0.2 | |
| Reference loading | Φ50*3800mm | 5.0 (1200ºC) | 4.5 (1230ºC) | 6.0 (1300ºC) | 7.5 (1350ºC) |
