Corrosion Resistance Alumina Ceramic Plate For Custom Industrial Ceramics

1. Description 

Our products with high mechanical strength, hardness, wear resistance, high temperature, chemical resistance and good characteristics. We manufactures custom technical ceramics, covering a wide range of customer requirements.Each product has passed the full(100%) inspection before export, you can safely buy it.

Our service:

l Technical personnel: We are equipped with professional technical personnel

l Stock:Large quantity in stock ensured fast delivery.

l Inquiry response: Your inquiries will be replied in 24 hours.

l Delivery time: Your shipment will be loaded in 15~25days.depends on quantity.

l Payment term: T/T, L/C, D/P, D/A, Western Union (Sample only)

l Customized:We can supply the products according to customer's drawings, samples and performance requirement.

 

2. Main Features

Typical Alumina characteristics include:

Good strength and stiffness

Good hardness and wear resistance

Good corrosion resistance

Good thermal stability

Excellent dielectric properties (from DC to GHz frequencies)

Low dielectric constant

Low loss tangent

 

3. Specification 

 

 

Item	Test Condition	Unit Symbol	95% Alumina ceramics	99% Alumina ceramics	99.7% Alumina ceramics
The main chemical ingredient			Al2O3	Al2O3	Al2O3
Bulk Density		g/cm3	3.6	3.89	3.96
Maximum Use Temperature			1450°C	1600°C	1650°C
Water absorption		%	0	0	0
ROHS Hardness			≥85	≥89	≥89
Flexural strength	20° C	MPa (psi x 103)	358 (52)	550	550
Compressive Strength	20° C	MPa (psi x 103)	2068 (300)	2600(377)	2600(377)
Fracture Toughness	K(I c)	Mpa m1/2	4-5	5.6	6
Coefficient of thermal expansion	25-1000° C	1X 10-6/°C	7.6	7.9	8.2
Coefficient of thermal conductivity	20° C	W/m °K	16	30.0	30.4
Thermal Shock Resistance	Tc	°C	250	200	200
Dielectricity constant	1MHz.25°C		9	9.7	9.7
Dielectric strength		ac-kV/mm (ac V/mil)	8.3 (210)	8.7 (220)	8.7 (220)
Volume Resistivity	100°C	ohm-cm	> 1013	> 1014	> 1014