99% Al2O3 ceramic heat-resistant refractory ceramic crucible for melting

Our company supply various kinds of ceramic crucibles, such as graphite crucibles, quartz crucibles, magnesia crucibles etc.

Our company can manufacture various kinds of ceramic crucibles, such as graphite crucibles, quartz crucibles, magnesia crucibles, alumina crucibles, zirconia crucibles etc, used for jewelry, dental, electron, chemical, glass and solar energy industries.

Industrial alumina ceramic crucible is used for testing laboratory and a variety of industrial analysis. Alumina ceramic crucible include: arc alumina crucible, square alumina crucible, rectangle alumina ceramic crucible, column ceramic crucible and a variety of shaped alumina ceramic crucible.

     

Features of 99% Al2O3 ceramic crucible

1. High chemical etching resistance..

2. High temperature up to 1800°C  

3. Resistant to sudden cold and hot, un-explosive.

4. High density of slip casting.

5. Various kinds of shape

6. Specifications of crucibles 5ml,10ml,15m,l20ml,25ml,30ml,50ml,100ml,150ml,200ml- 1500ml and custom-tailor.

7. Thermostability

We can supply 99% alumina ceramic crucible and zirocnia ceramic crucible according to customer's drawings, samples and performance requirement.

Performance For Alumina Ceramic
Item		Unit	95 Al2O3	99 Al2O3
Physical Characteristics	Bulk density	g/cm3	3.6	3.9
	Water absorption	%	0	0
Mechanical Characteristics	Flexural strength	Mpa	320	360
	Hardness Vickers	Gpa	12.2	15.6
	Elastic modulus	Gpa	280	370
	Poisson’s ratio	-	0.22	0.23
Thermal Characteristics	Linear expansion coefficient	(200C-5000C) 10-6/0C	7.1	8
	Thermal conductivity	w/(m.k)	16	32
	Specific Heat	*10-3J/(kg*K)	0.78	0.9
Electrical Characteristics	Dielectric constant (1MHZ)	-	9	9.9
	Dielectric loss angle	*10-4	15	1
	Dielectric strength	*106V/m	12	15

99% Al2O3 ceramic heat-resistant refractory ceramic crucible for melting