SUOYI 99% Al2O3 Alumina granulated powder 2N Alumina Powder for Ceramic Substrate white powder 60-200 mesh CAS 1344-28-1

99.99% Aluminum Oxide 0.1um-1um Alumina Polishing Powder for Precision Polishing

Product name Aluminum oxide
Purity 99.9999%
Particle size 1-20um,0.2-5um
Specific surface area 5-15
Application Sapphire crystals, lithium battery separator coatings, ceramics, coatings

product details

Specification

Item	Value
Classification	ALUMINA
CAS No.	1344-28-1
Other Names	Alumina
MF	Al2O3
EINECS No.	215-691-6
Place of Origin	China Hebei
Grade Standard	Electron Grade, Industrial Grade
Purity	95%-99.9%
Appearance	White powder
Application	For special ceramics
Brand Name	SUOYI
MF	Al2O3
Molecular weight:	101.96
Material:	Alumina Ceramic
Application	Structural ceramics and filter ceramics
Boiling Point:	2980 ℃
Melting point:	2054 ℃

Alumina Ceramic Performance
Item		Unit	95 Al2O3	96 Al2O3	99 Al2O3
Physical Characteristics	Heat resistance	℃	1500	1550	1800
	Bulk dnsity	g/cm³	3.6	3.6	3.9
	Water absorption	%	0	0	0
Mechanical Characteristics	Flexural strength	Mpa	320	340	360
	Hardness vickers	Gpa	12.2	13.5	15.6
	Elastic mdulus	Gpa	280	320	370
	Poisson'radio		0.22	0.23	0.23
Thermal Characteristics	Linear expansion coeffcient	(20-500℃)10^-6/℃	7.1	7.2	8
	Thermal conductivity	w/(m.k)	16	24	32
	Specific heat	10^-3(kgK)	0.78	0.78	0.9
Electrical Characteristic	Dielectric constant(1MHZ)	-	9	9.4	9.9
	Dielectric loss angle	*10^-4	15	5	1
	Dielectric strength	*10^6V/m	12	15	15

Alumina ceramic is a 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.

Feature

A variety of specifications available

Satisfy various technical request

Lower medium spoilage

Good insulation performance and high temperature resistance

Stiffness texture

Used in all electric products, electric heating products and wear resistant machinery parts