Industrial Aluminum Oxide Ceramic Spool Alumina Heating Porous Carton Box Package

Industrial Aluminum Oxide Ceramic Spool Alumina Heating Porous Carton Box Package

1. Description 

Alumina ceramic product is produced by alumina as the main material, through the forming, high temperature sintering has good heat resistance, high performance, good compression wear-resisting performance , high insulating strength, high mechanical strength, thermal expansion coefficient little etc
Widely used in electronics, electrical equipment, instrument and apparatus, household appliances, electric vacuum device, communication equipment, temperature control switch, high-grade ceramic valve, faucet move sliding-vane, and other industries for precision components use and in the media with grinding and polishing

2. Key properties
Hard, wear-resistant
Excellent dielectric properties from DC to GHz frequencies
Resists strong acid and alkali attack at elevated temperatures
Good thermal conductivity
Excellent size and shape capability
High strength and stiffness
Available in purity ranges from 94%, an easily metallizable composition, to 99.5% for the

3. Typical Uses
Gas laser tubes
Wear pads
Seal rings
High temperature electrical insulators
High voltage insulators
Furnace liner tubes
Thread and wire guides
Electronic substrates
Ballistic armor
Abrasion resistant tube and elbow liners
Thermometry sensors
Laboratory instrument tubes and sample holders
Instrumentation parts for thermal property test machines

4. Specification 

Item	Unit	80% Alumina ceramic
Bulk density	g/cm3	>2.7
Max use temperature	℃	1500
Water absorbtion	%	0
Bending Strength	Mpa	364
Expansion (25-800°C)	(X10-6/°C)	7.6
Thermal Conductivity	(W/(m.R))	20
Dielectric Strength	(kv/mm)	11