Alumina roller

Alumina roller 1.Material: alumina ceramic 2.Used in industry 3.Best price Alumina roller  Alumina Tubes is the the workhorse of the advanced technical ceramic tubes.  It has good mechanical and electrical properties, wear resistance and corrosion resistance.  It has relatively poor thermal shock resistance. 

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

 

Alumina roller