99.5% Al2O3 Precision Alumina Ceramic Parts

• Model NO.: Parts
• HS Code: 6909190000
• Production Capacity: 3000tons Per Month

Product Description

99.5% Al2O3 Precision Alumina Ceramic parts
1. 95%-99.9% Al2O3
2.High Thermal Conductivity
3.QA,rush delivery
4.MOQ:100pcs
99.5% Al2O3 Precision Alumina Ceramic parts
 
Features:
1) A variety of specifications available.
 
2) Satisfy various technical request
 
3) Lower medium spoilage
 
4) Good insulation performance and high temperature resistance
 
5) Stiffness texture
 
6) Used in all electric products, electric heating products and wear resistant machinery parts.    
 
The ceramic electronic components: low loss at high frequency. Good insulating , high strength, , low dielectric constant, Great mechanical strength, high air tightness, high chemical stability, etc. We can produce all kinds of ceramic holders, Ceramic seal,ceramic substrate, ceramic tubes, ceramic pipe, ceramic ring,ceramic plate,Ceramic side bar, ceramic plunger, etc. Widely used in electronic components, electronic device and electric products. Our products meet the international standards.
 
 

Serial number	performance index	Measuring unit	High purity alumina	Alumina	High alumina
1	Al2O3	%	99.7	99.3	85
2	SiO2	%	less than0.1	-	-
3	Density	g/cm3	3.95	3.88	3.2
4	Water absorption	%	0	0.01	0.2
5	Cold compressive strength	MPa	450	350	200
6	20 degree Celsius leak rates	Torr/L.sec	less than10-11	less than10-11	less than10-11
7	Twisting in high temperature	mm	1700 degree Celsius 0.2 allowance	1600 degree Celsius 0.2 allowance	1400 degree Celsius 0.2 allowance
8	Bonding in high temperature		1700 degree Celsius non-caked	1600 degree Celsius non-caked	1400 degree Celsius non-caked
9	20-1000 degree Celsius coefficient of thermal expansion	mm.10-6/degree Celsius.m	8.6	8.2	8.2
10	Thermal conductivity	W/m.k	25	25	25
11	Electric insulation strength	KV/mm	20	20	15
12	20 degree Celsius direct current insulating resistance	Ohm/cm	1014	1014	1014
13	High-temperature insulation resistance	1000 degree Celsius MΩ	≥0.08	≥0.08	≥0.08
		1300 degree Celsius MΩ	≥0.02	≥0.02	≥0.02
14	Thermal shock resistance		1550 degree Celsius 6 times not cracked	1550 degree Celsius 6 times not cracked	1300 degree Celsius 3 times not cracked
15	Maximum service temperature	degree Celsius	1900	1800