China Customized Zirconia Alumina Ceramic Wafer Plate Substrate High Hardness for sale

Customized Zirconia Alumina Ceramic Wafer Plate Substrate High Hardness

Price Negotiable

Price: USD16.50/PC

MOQ: 2-10 PCS

Delivery Time: 15-45 days

Brand: Spark

Product Description

Alumina ceramic plates

Alumina ceramic plates can withstand high temperature and maintain high strength and hardness. And it also has superb performances in electrical insulation, high chemical resistance, good were resistance and heat resistance, and low thermal expansion.
Advantage1) 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
Technical Parameters

Property	Units
Al2O3 Content	%	96	98	99.5	99.7
Density	g / cm3	3.70	3.80	3.90	3.92
Color	-	White	White	Ivory	Ivory
Compressive Strength at 25 C	Mpa	2229	2091	2512	2350
Tensile Strength at 25 C	MPa	200	200	248	252
Flexural Strength at 25 C	MPa	331	276	324	320
Elastic Modulus at 25 C	GPa	290	331	366	380
Hardness : Knoop Rockwell	(Gpa) Kg/mm2 R45N	(11.7) 1196 79	(12.5) 1276 77	(14) 1428 85	(15) 1510 90
Thermal Conductivity at 25 C	W / m-Deg K	20.8	28.1	30.7	31.6
Coefficient of Thermal Expansion at 25-1000 C	1 X 10-6 / Deg C	7.9	8.5	8.1	8.0
Specific Heat at 25 C	cal / g / Deg C	.184	.184	.182	.180
Maximum Working Temp.	Deg C	1650	1650	1700	1700
Volume Resitivity at 25C at 700 C	ohm-cm ohm-cm	1 X 10-13 1 X 10-8	1X 10-13 2.2 X 10-9	1 X 10-13 6 x 10-7	1 X 10-13 6 x 10-7
Dielectric Strength (at Thickness) 100Mils	ac volts per mil	350	340	335	330
Dielectric Constant 1Mhz at 25C	e' / eo	8.6	9.4	9.7	10.0
Dissipation Factor 1 Mhz at 25C	Tan Delta	.0004	.0003	.0003	.0002