Alumina ceramic sleeves, China Alumina ceramic sleeves Supplier,Factory

Alumina ceramic sleeves

Shanghai Gongtao Ceramics Co., Ltd. [China]

Minimum Order: 0

Quality/Safety Certification: 0.00

Alumina ceramic sleeves
1.Material: alumina ceramic
2.Specification can be customed
3.Used in furnace

Index for 99% corundum ceramic tube:Twisting strength3160 kg/cm2Tensile strength23300 kg/ cm2Bending stength 2520 kg/ cm2Hardness9Vol.density>3.8 g/ cm3Coefficient of linear expansion(room temperature-800°C) 7.75*10-6 /°CThermal 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/mmVol.resistance(room temperature)>>1014 Ω. CmLongtime applying temperature 1600°CShort time applying temperature1800°CAL2O3≥99%Refractoriness2030°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