Customization: | Available |
---|---|
Feature: | Long Time Materials |
Refractoriness (℃): | 1580< Refractoriness< 1770 |
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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) |