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High Temperature Ceramic Alumina Boat Industrial Ceramic Combustion Boat Part
High-purity alumina rectangular crucibles,also known as corrundum crucible,has excellent high temperature resistance and chemical inertness.It can be widely used in the analysis and detection of various metal and non-metallic samples in the laboratory and the material melting processl.It is especially suitable for the high-temperature treantment of special materials such color TV phosphor,rare earth materials,precious metal materials and ceramic powders.
Alumina Ceramic crucible
Alumina (Al₂O₃) ceramic crucible represent advanced engineering components manufactured from high-purity aluminum oxide. With exceptional hardness, thermal stability, chemical resistance, and electrical insulation properties, these precision components serve critical functions across semiconductor, medical, industrial, and high-tech applications where traditional materials fail to perform.
Application
Specifications
Product name
alumina ceramic crucible
Material
AL2O3
Purity
95%99%99.7%99.9%
Color
white,ivory yellow
Shape
Arc/Square/Rectangle/Cylinder/Boat
Capacity
3-800ml or custom
Density
3.98g/cm3
Max. Working Temperature
1800℃
Powder metallurgy, petrochemical, machinery and equipment, new energy, etc
Alumina Ceramic Crucible Basic size:
Type
Upper Diameter(mm)
Height(mm)
Bottom Diameter(mm)
5ml
27
22
15
5ml
20
16
10
8ml
22
29
16
10ml
31
29
19
15ml
33
29
20
20ml
38
34
21
25ml
40
40
22
30ml
47
42
25
Type
Upper Diameter(mm)
Height(mm)
Bottom Diameter(mm)
40ml
48
42
21
50ml
53
47
31
100ml
64
60
35
150ml
74
63
39
200ml
78
70
42
300ml
92
83
47
500ml
92
122
75
950ml
102
160
60
1000ml
126
145
73
2000ml
145
155
95
Feature Advantage
Physical Character of the alumina ceramic crucible
Item
Unit
99Al2O3
Bulk density
g/cm3
3.9
Water absorption
%
0
Flexural strength
Mpa
360
Hardness Vickers
Gpa
15.6
Elastic modulus
Gpa
370
Poisson’s ratio
-
0.23
Linear expansion coefficient
(20-5000°C) 10-6/0°C
8
Thermal conductivity
w/(m·k)
32
Specific Heat
×10-3J/(kg·K)
9
Dielectric constant (1MHZ)
-
9.9
Sinterring Temperature
℃
1800
Dielectric strength
*10-6V/M
15
Advantages of alumina crucible compared with other crucible:
1. Excellent high temperature performance: alumina crucible can be used at high temperatures,
has a high melting point and chemical stability, can withstand temperature conditions.
2. Good corrosion resistance: alumina crucible has good corrosion resistance to most acids,
alkali, salt and other chemical substances, which can ensure the accuracy and safety of the experiment.
3. High strength and good mechanical properties: alumina crucible has high mechanical strength and hardness,
can withstand greater pressure and vibration, not easy to break or deformation.
4. Good thermal conductivity: the alumina crucible has high thermal conductivity and can transfer heat quickly,
which is conducive to the experiment.
5. Long service life: alumina crucible has high hardness, is not easy to wear, can be used for a long time,
reduce the cost of the experiment.
Frequently Asked Questions
Q1. Do you provide product samples?
Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer.
Q2. What are your accepted payment methods?
We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal.
Q3. What is your typical delivery lead time?
Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes.
Q4. Do you perform quality inspection before shipment?
Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards.
Q5. What other ceramic materials do you offer?
We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride, Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics.
