High Temperature Resistant AL203 Alumina Ceramic Tube For Heating Application

Heat resistant high strength insulating Alumina ceramic tube

1. Advantages :

1). Excellent insulation ,security , long working life .

2). Precise grinding and polishing.

3). Excellent heat radiation, small size ,more environmental and energy-efficient .

4). good thermal conductivity
5). large specific heat capacity
6). low pressure drop
7). good heat-shock resisting ability

8). Working temperature: 600℃-1200℃

2. Application

1). Gas cooker,Water heater,Gas oven, Gas boiler,Air-conditioning and so on.

2). As ceramic parts of flexible pad and channel heaters at operations of pre and postweld heat treatment; Welding process, stress-relieving, pre-heating & post heating, other resistance-heating environment
3). halogen lamps, high and low pressure uv lamps, mercury lamps, uv lamp holders and heating tubes.

3. High Temperature Resistance AL203 alumina ceramic tube

 

High Temperature Resistance AL203 alumina ceramic tube Performance
Item	Index	Unit	Steatite ceramic	95 Al2O3	96 Al2O3
Physical Characteristics	Bulk density	g/cm3	2.7	3.2	3.6
	Water absorption	%	0	0	0
Mechanical Characteristics	Flexural strength	Mpa	145	320	340
	Hardness Vickers	Gpa	5.7	12.2	13.5
	Poisson’s ratio	-	0.21	0.22	0.23
Thermal Characteristics	Thermal conductivity	w/(m.k)	2.5	16	24
Electrical Characteristics	Dielectric constant(1MHZ)	-	6.2	9	9.4