Alumina ceramic cyclone liner tubes are engineered to protect the inner surfaces of cyclones from extreme abrasion caused by high-velocity particulate flow. Made from high-purity alumina ceramics with hardness exceeding Mohs 9, these tubes provide exceptional resistance to wear, erosion, and corrosion.

Installed inside cyclones used in industries such as mining, cement, power generation, and chemical processing, the liner tubes significantly reduce maintenance frequency and downtime. Their robust ceramic surface shields the cyclone shell from slurry, fly ash, and abrasive dust particles, ensuring efficient separation performance and structural integrity.

These tubes are available in various sizes and can be customized to fit specific cyclone designs. The combination of superior ceramic properties with precise manufacturing results in a cost-effective solution for prolonging cyclone equipment life.

Technical Datasheet of Advanced Alumina Ceramics
Material	Unit	95% Al₂O₃	96% Al₂O₃	99% Al₂O₃	99.5% Al₂O₃	99.8% Al₂O₃
Purity	%	95	96	99	99.5	99.8
Color	---	White/Pink	White	Ivory	Ivory	Ivory
Density	g/cm³	3.65	3.72	3.85	3.90	3.92
Water Absorption	%	0	0	0	0	0
Moh's Hardness	---	9	9	9	9	9
HV Hardness	---	>1300	>1300	1700	1750	1800
Flexural Strength @25°C	MPa	300	300	330	375	390
Fracture Toughness	MPa·m^1/2	3~4	3~4	3~4	4	4
Compressive Strength (25°C)	MPa	2200	2200	2350	2450	2500
Thermal Conductivity @25°C	W/m·K	18–22	≥24	27	29	32
Thermal Expansion Coefficient (25–1000°C)	10^-6/°C	8	8	8	8	8
Thermal Shock Resistance	ΔT (°C)	220	220	180–200	180–200	180–200
Max. Working Temperature	°C	1500	1500	1700	1750	1750
Dielectric Strength	kV/mm	16	17.2	20	22	22
Electrical Resistivity @25°C	Ω·cm	10¹⁴	10¹⁴	10¹⁴	10¹⁴	10¹⁴
Dielectric Constant @1MHz	---	9	9	9.7	9.7	9.8
Dielectric Loss (Tan δ) @1MHz	---	0.0004	0.0002	0.0002	0.0001	0.0001

Compare physical, thermal, and electrical properties across various purity levels of alumina ceramic (Al₂O₃).

Specification of Ceramic Tubes
Parameter	Details
Material Options	Alumina (40%–99.8%), Zirconia, Silicon Carbide, Silicon Nitride
Forming Methods	Extrusion, Dry Pressed, Hot Pressed, CIM, ISO Pressed
Dimensional Capability	Min. ID: 1mm; Max. OD: 800mm
Dimensional Tolerance	OD ±0.005mm, ID ±0.01mm, Length ±0.001mm
Surface Treatment	Polished, Glazed, or Metalized
Secondary Processing	CNC machining, lapping, threading, drilling, grinding, laser cutting