Alumina Ceramic Bushing Sleeve Tubes

With high wear resistance and favorable erosion resistance,the ceramic tube is widely used in the high corrosive and high-temperature environment like thermal power plants,mining,metallurgy,cement plants,etc.

Product Description

FUBOON produces industry leading quality ceramic products compatible with most OEM analyzers.

Points of Alumina Ceramic Bushing Sleeve:

1.High alumina purity:al2o3>95%,good corrosion resistance.

2.High temperature resistance,1600C in long use,1700C in short use.

3.Good thermal shock,no easy to crack.

4.High slip casting density.

alumina Ceramic Bushing Sleeve Tubes

Datasheet of Technical ceramics

Property	Units	Material
		99.5% alumina	99% alumina	95% alumina	ZrO2 (Y-TZP)	ZrO2 (TTZ)
Density	g/cm3	≥3.85	≥3.80	≥3.60	≥5.95	≥5.72
Water absorption	%	0	0	0	0	0
Hardness	HV	1700	1700	1500	1300	900
Flexural strength	Mpa	≥379	≥338	≥320	≥1200	≥1200
Compressive strength	Mpa	≥2240	≥2240	≥2000	≥1990	1750
Fracture toughness	Mpa m1/2	4-5	4-5	3-4	6.5-8	11
Max. service temperature	ºC	1675	1600	1450	1000
CTE	1×10 -6 /ºC	6.5~8.0	6.2~8.0	5.0~8.0	8.0~9.5	10.2
Thermal shock	T(ºC)	≥250	≥200	≥220	≥300	350
Thermal conductivity(25ºC)	W/m.k	30	29	24	3	3
Volume resistivity	ohm.cm
25ºC		>1 x 10 14	>1 x 10 14	>1 x 10 14	>1 x 10 11	>1 x 10 11
300ºC		1 x 10 12	8 x 10 11	10 12 -10 13	1 x 10 10	1 x 10 10
500ºC		5 x 10 10	2 x 10 9	1 x 10 9	1 x 10 6	1 x 10 6
Insulation strength	KV/mm	19	18	18	17	20
Dielectric constant(1Mhz)	(E)	9.7	9.5	9.5	29	28

Properties

• High hardness with low density
• Wear & abrasion resistant
• Resists strong acid and alkali attack at high temperatures
• Excellent electrical insulation properties
• High compressive strength
• High mechanical Strength
• Excellent refractory material
• Moderate thermal conductive and thermal expansion rates
• Resistant to thermal shock
• High dielectric strength
• Transparent to microwave radio frequencies

We can provide different types of the products according to customer’s requirements.Just give us your drawing we’ll produce the ceramic tubes accordingly.

Send us product drawing and requested technical data for quotation.