High Purity Zirconia Alumina Ceramic Industrial Furnace Tube Heaters Liner for High Temperature Furnace

• Material: Alumina, 99% Al2O3
• Temperature: High Temperature Resist
• Usage: Industry
• Transport Package: Standard Export Wooden Cases
• Specification: SGS
• Trademark: can be customized, also we can do OEM or ODM
• Model NO.: tube
• Origin: China
• HS Code: 690919000
• Production Capacity: 3000 Metric Tons/Month

Product Description

high purity zirconia alumina ceramic industrial furnace tube heaters liner for high temperature furnace

Index for 99% corundum ceramic tube:
Twisting strength	3160  kg/cm2
Tensile strength	23300 kg/ cm2
Bending stength	2520 kg/ cm2
Hardness	9
Vol.density	>3.8  g/ cm3
Coefficient of linear expansion	(room temperature-800°C) 7.75*10-6 /°C
Thermal stability	1300°C-room temperature no rupture for three times(above 50)
	1000°C-room temperature no rupture for three times(abov 50)
Puncture voltage	(room temperature)>10KV/mm
Vol.resistance	(room temperature)>>1014 Ω. Cm
Longtime applying temperature	1600°C
Short time applying temperature	1800°C
AL2O3	≥99%
Refractoriness	2030°C

 
 

Dimension		Outer dia. mm	Inner dia.mm	Length mm	Remark
Item
Thermocouple protection tube		7-120	1-110	10-2000	If you need others,we can customize for you.
Insulated tube	Single hole	2-120	1-110	10-2000
(inner core)	Double holes	1-10	0.4-2	10-2000
	Four holes	2-10	0.5-2	10-2000

 

Feature	Application	Main usage
1.Great mechanical strength	Electric appliance industry                                      Automotive industry	1.Heat treatment furnace  and toughened furnace
2.High softening temperature
3.Good resistance to thermal impact
4.Small thermal expansion coefficient	Mechanical industry                Engineer industry	2.Inner liner tube and  heating tube in electric  furnace
5.Good chill and abrupt heat properties
6. Resistance to acid and  alkali corrosion