High Temperature Machinable Zirconia Zro2 Ceramic Blocks

High Temperature Machinable Zirconia Zro2 Ceramic Blocks, Find details about China Zirconia Ceramic, Ceramics from High Temperature Machinable Zirconia Zro2 Ceramic Blocks

Basic Info.

Origin

China

Origin

China

Product Desciption

Features:

1.High strength and hardness

2. Good wear resistance

3. Insulation, corrosion resistance

4. High lubrication and low resistance

Name of the materials			99% aluminium oxide	95% aluminium oxide	Zirconia
Main ingredients			99% Al₂O₃	95% Al₂O₃	ZrO₂
The material properties	Density	g/cm³	3.9	3.6	6
The material properties	sintering temperature	ºC	1700	1680	1600
physical property	Hardness	HV	1700	1500	1300
	rupture strength	kgf/cm²	3500	3000	11000
	compressive strength	kgf/cm²	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
	pyroconductivity	(25ºC-300ºC)	15.9	14	14
Appliance property	Volume Resistance /20ºC	Ω/cm²	>10¹²	>10¹²	>10¹²
	Volume Resistance /100ºC		10¹²-10¹³	10¹²-10¹³	10¹²-10¹³
	Volume Resistance /300ºC		>10¹²	>10¹²	5x10⁹
	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