Zirconia One End Closed Ceramic Bushings Alumina Ceramics Tubes

• Shape: Round
• Color: Creamy
• Refractoriness: Refractoriness> 2000
• Type: Heat-Resistant Material
• Feature: Long Time Materials
• Material: Alumina
• Transport Package: Plywood Case
• Specification: RoHS
• Trademark: SHANGTAO
• Origin: Shanghai
• HS Code: 6909190000
• Production Capacity: 50000 PCS/Year

Product Description

High Frequency Ceramic Tube Industrial Zirconia Ceramic Wick
Features:

1.High strength and hardness

2. Good wear resistance

3. Insulation, corrosion resistance

4. High lubrication and low resistance

1. Name of the materials			99% aluminium oxide	95% aluminium oxide	Zirconia
   Main ingredients			99% Al2O3	95% Al2O3	ZrO2
   The material properties	Density	g/cm^3	3.9	3.6	6
   	sintering temperature	ºC	1700	1680	1600
   physical property	Hardness	HV	1700	1500	1300
   	rupture strength	kgf/cm^2	3500	3000	11000
   	compressive strength	kgf/cm^2	30000	25000	25000
   	fracture toughness	Mpa.m^3/2	4	3-4	3-4
   thermodynamic property	maximum servise temperature	ºC	1500	1450	1300
   	Heat resisting impact	T(ºC)	200	220	360
   	pyroconductivity	w/m.k	31.4	25	3
   		(25ºC-300ºC)	15.9	14	14
   Appliance property	Volume Resistance /20ºC	Ω/cm^2	>10^12	>10^12	>10^12
   	Volume Resistance /100ºC		10^12-10^13	10^12-10^13	10^12-10^13
   	Volume Resistance /300ºC		>10^12	>10^12	5x10^9
   	Dielectric Strength	kv/mm	18	18	18
   	Dielectric constant(100MHZ)	(E)	10	9.5	9.5
   	Dielectric tangent	(tgδ)	0.4x10^-3	0.4x10^-3	0.4x10^-3