Corundum (alundum) crucibles Al2O3

Main Specifications
- Type: Ceramic Crucible Refractory
- Size: according to customer requirements
- Material: Al2O3 99%
- White color
- Maximum operating temperature: 1800
- Features: high strength, corrosion resistance, high wear resistance
- The possibility of providing samples
Corundum (alund) Al2O₃ 99% | |||
Parameters | unit of measurement | Value | |
physical characteristics | Heat resistance | ° C | 1800 |
Bulk density | g / cm³ | 3.9 | |
Water Absorption | % | 0 | |
Bending strength | Mpa | 360 | |
Mechanical characteristics | Vickers hardness | Gpa | 15.6 |
Elastic modulus | Gpa | 370 | |
Poisson's ratio | - | 0.23 | |
Thermal performance | Linear expansion coefficient | (20 ° C-500 ° C) 10-6 / ° C | 8 |
Thermal conductivity | W / (m∙k) | 32 | |
Specific heat | * 10-3J / (kg * K) | 0.9 | |
Electrical specifications | Dielectric Constant (1MHZ) | - | 9.9 |
Dielectric loss tangent | * 10-4 | 1 | |
Dielectric strength | * 106 V / m | 15 | |
Corundum crucibles | ||||
View | Volume V (ml) | Diameter D (Mm) | Height H (Mm) | Cover |
| 1 | 11 | 20 | Not available |
3 | 16 | 28 | Convex cover | |
5 | 28 | 17 | Plate d=33 mm | |
6 | 19 | 35 | Convex cover | |
10 | 30 | 28 | Standard cover | |
20 | 35 | 30 | Standard cover | |
30 | 40 | 35 | Standard cover | |
40 | 35 | 58 | Plate d=33 mm | |
60 | 40 | 70 | Standard cover | |
85 | 50 | 60 | Plate d = 50 mm | |
120 | 50 | 80 | Plate d = 50 mm | |
150 | 50 | 100 | Plate d = 50 mm | |
180 | 59 | 87 | Standard cover | |
200 | 60 | 100 | Standard cover | |
300 | 70 | 100 | Standard cover | |
300 | 95 | 60 | Lidded lid | |
400 | 70 | 120 | Standard cover | |
800 | 115 | 110 | Not available | |
1000 | 115 | 155 | Not available | |
| ||||
| 60 | 50 | 50 | Plate d = 50 mm |
120 | 60 | 60 | Standard cover | |
300 | 80 | 80 | Standard cover | |
600 | 100 | 100 | Flat cap | |
| ||||
| 80 | 75 | 27 | Flat cap |
120 | 90 | 35 | Flat cap | |
200 | 100 | 35 | Flat cap | |
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| 400 | 75 | 120 | Flat cap |
500 | 85 | 140 | Standard cover | |
| ||||
| 5 | 14 | 44 | Convex cover |
5 | 16 | 50 | Convex cover | |
6 | 16 | 56 | Convex cover | |
10 | 20 | 50 | Plate d = 21 mm | |
15 | 23 | 60 | Plate d = 21 mm | |
45 | 35 | 70 | Plate d = 33mm | |
50 | 30 | 100 | Standard cover | |
65 | 35 | 100 | Plate d = 33 mm | |
250 | 60 | 120 | Standard cover | |
800 | 80 | 200 | Standard cover |


