High Hardness High Strength Insulating Zirconia / Alumina Ceramic Part

Basic Info.

Material	Ceramic
Maximum Voltage	<10KV
Thermal Rating	250 250
Certificate	SGS
Chemistry	Organic Insulation
Classification	Organic Insulating Material
Certification	ISO9001
Type	Customer Request
Brand	Ry
Transport Package	Wooden Box Pagking
Specification	customized
Origin	China
HS Code	854710000
Production Capacity	50000 Pieces Per Week

Product Description

Ceramic Alumina Parts Features of the ceramics parts:1) A variety of specifications available.2) Satisfy various technical request3) Lower medium spoilage4) Good insulation performance and high temperature resistance5) High strength6) 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
		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