Electrical Insulation Alumina Ceramic Ring for Magnetic Pump

high temperature alumina ceramic seal ring gasket,machining tolerance range within 0.1mm and 0.01mm.

Product Serial Number:212

Features of Alumina Ceramic Ring:
1) A variety of specifications available.
2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products and electric heating products

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Product Description:

High Precision Ceramic Gasket Seal Ring is widely used in the fields of industry, chemical industry, biology,semiconductor, precision machinery and high technology because of their excellent mechanical, electrical, thermal, mechanical and biochemical properties.
Alumina ceramics have a excellent properties for chemical and physical stability.
Thermal properties: High heat resistance and high thermal conductivity…
Mechanical properties: High strength and high hardness.

Product details:
	Alumina ceramic		Zirconia ceramic
Performance	Unit	99%Al2O3	95%Al2O3	ZrO2
Density	g/cm3	3.9	3.6	5.6-6.0
Vickers hardness	HV	1700	1500	1100-1300
Bending strength	Mpa	≥290	≥290	500-1000
Compressive strength	Mpa	≥850	≥850	2500-3000
Fracture toughness	MPa·m1/2	≥4.8	≥4.8	8~10
Maximum use temperature	℃	1300-1450	1300-1450	1100-1200
Thermal Conductivity	W/m.K	25	20	2.09-3
Thermal expansion coefficient	m/m.K	7.2×10-6	7.2×10-6	9.6×10-6
Volume resistivity	Ω/cm2(20℃)	>1012	>1012	>1012
Dielectric constant	1MHZ(E)	9.2-10.5	9.0-10	12.5
Insulation breaking strength	KT/M	18	16	15