High Voltage Heat Resistance Customize C799 Alumina Ceramic Part

Min.Order: 100

Product origin: Zhuzhou, Hunan, China

Infringement complaint:

Complaint

US$ -1

Description

Ceramic Alumina Parts
Features of the ceramics parts:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) High strength
6) Used in all electric products, electric heating products and wear resistant machinery parts.
7) OEM, ODM and OBM are welcomed

Alumina ceramic is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, 200T isostatic pressing and extrusion productive technology etc.

Alumina Ceramic Part Application:

Furnace process tubes
Steel tube liners
Coal handling wear resistance pads
Thermocouple protection tubes
Sandblasting nozzles
Wire drawing dies
Bushings and caps
Crucibles
Tool bits
Saggers
Kiln furniture
Mechanical seals
Fuel cell parts
Rollers for hearth furnaces
Welding nozzles
Laser parts
Gas igniters
Electric insulator
Ceramic guiders
Ceramic screwdrivers
Zirconia oxygen Sensors
Medical and surgical components

Main performance index about alumina ceramic parts :

Project		Test the condition	Unit	99 porcelain	95 porcelain	Talc porcelain
Backbone				99%AL₂O₃	95%AL₂O₃	MgO.SiO2
Physical property	Density of volume	Normal atmospheric temperature	g/cm³	3.8	3.6	2.8
	Airtight	Normal atmospheric temperature	.	.Pass	Pass	-
	Absorbing water rate	Normal atmospheric temperature	%	0	0	0
	Temperature that frit		°C	1800	1650	1350
Mechanical performance	Rockwell hardness	Normal atmospheric temperature	HRA	88	86	76
	Resist the intensity of turning back	Normal atmospheric temperature	Mpa	350	320	150
	Compression strength	Normal atmospheric temperature	Mpa	1300	1200	900
Hot performance	Use temperature at most		°C	1700	1600	1200
	Heat resistant shaking	20O°C-1100O°C	10Num	Pass	Pass	Pass
	Hot coefficient of expansion	20O°C-80O°C	×10^-6mm/°C	6.5-8.5	6.5-8.0	5.0-6.2
	Heat-conduction rate	25°C	W/m.k	29	25	2.9
	Heat-conduction rate	300°C	W/m.k	18	13	2
Dielectric constant	The medium lossing	1MHz2O°C	×10^-4	≤2.5	≤4	≤8.0
	The angle tangent is worth	1MHz8O°C	×10^-4	≤3.5	≤4.2	-
	Dielectric strength	Normal atmospheric temperature	KV/mm	15	16	20
	Dielectric constant	1MHz2O°C		9-10.5	9-10	≤7.5
	Resistivity of volume	2O°C	Ω.cm	>10¹²	>10¹²	>10¹³
		10O°C	Ω.cm	10¹²-10¹³	10¹²-10¹³	10¹⁰-10¹¹
		30O°C	Ω.cm	>10¹²	3.1×10⁹	5×10⁸