Advanced ceramic Alumina and Zirconia insulation tube sleeve

Specifications Advanced ceramic Alumina and Zirconia insulation tube sleeve

-High density

-Wear resistance

-High hardness

Advanced ceramic Alumina and Zirconia insulation tube sleeve Features: Use temperatures up to 2400°C High density Low thermal conductivity (20% that of alumina) Chemical inertness Resistance to molten metals Ionic electrical conduction Wear resistance High fracture toughness High hardness We can supply the products according to customer's drawings, samples and performance requirement.

Performance
Item		Unit	Zirconia
Physical Characteristics	Bulk density	g/cm3	6.05
	Water absorption	%	0
Mechanical Characteristics	Flexural strength	Mpa	1000
	Hardness Vickers	Gpa	89
	Elastic modulus	Gpa	200
	Poisson’s ratio	-	0.31
Thermal Characteristics	Linear expansion coefficient	(20-5000C) 10-6/0C	10
	Thermal conductivity	w/(m.k)	2.5
	Specific Heat	*10-3J/(kg*K)	0.5
Electrical Characteristics	Dielectric constant (1MHZ)	-	N.A.
	Dielectric loss angle	*10-4	N.A.
	Dielectric strength	*106V/m	N.A.
Processing technology
Process range (mm)
Outside Diameter	1---300
Inside Diameter	0.5---300
Length	0.5---600
Accuracy of working (mm)
Perpendicularity	0.001
Concentricity	0.001
Roundness	0.0005
Straightness	0.005
Parallelism	0.01
Planeness	0.005
Roughness	0.005
Fit clearance	0.005