High Quality Alumina and Collar Tubes Electrical Ceramic Parts

• Customized: Customized
• Application: Papermaking, Food, Construction, Electronics, Metallurgy
• Material: Alumina Ceramic
• Feature: Wear Resistant
• Corrosion Rate: 0.001-0.01
• Product Name: High Quality Alumina and Collar Tubes Electrical C
• Shape: as Customized
• Raw Material: 95-99% Alumina Ceramic
• Denisty: 3.7g / Cm3
• Color: White, Light Yellow
• Surface Treatment: Smooth
• Property: Insulated Ceramic Heating Element
• Working Temperature: 1480 Degree
• Usage: Metallurgy,Mining,Textile,Paper-Making, etc.
• Characteristic: Low Porosity
• Sample: Free
• Transport Package: by Carton
• Specification: Customize
• Trademark: RY
• Origin: Hunan China
• HS Code: 8547100000
• Production Capacity: 500000PCS Per Month

Product Description

High Quality Alumina And Collar Tubes Electrical Ceramic Parts 

Performance for Alumina Parts :

Item	Unit	95 Al2O3	99 Al2O3
Heat Resistance	ºC	1500	1800
Bulk Density	g/cm^3	3.6	3.8
Water Absorption	%	0	0
Flexural Strength	Mpa	320	360
Hardness Vickers	Gpa	12.2	15.6
Elastic Modulus	Gpa	280	370
Poisson's Ratio	-	0.22	0.23
Linear Expansion Coefficient	(20-5000ºC) 10^-6/ºC	7.1	8
Thermal Conductivity	W/(M.K)	16	32
Specific Heat	×10^-3J/(KG.K)	0.78	0.9
Dielectric Constant(1MHZ)	-	9	9.9
Dielectric Loss Angle	×10^-4	15	1
Dielectric Strength	×10^6V/m	12	15