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Alumina Ceramic Plate

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MOQ: 1pcs

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Packaging: In wooden Case

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Description

High purity Alumina Ceramic Plate can stand 1800C at most, widely used in furnace kilns and other applications. Selection of a variety of high-quality ceramic materials, hot, dry-pressed or injection molding, from high-temperature sintering of alumina ceramic tubes, alumina ceramic rods (which can be mechanical or electronic finishing, the tolerances up to +/- 0.01mm.), high hardness, insulation, wear-resistant, high temperature-resistant, hot and cold shock-resistant. Customers can request a special size and production.

Characters:

Our factory can supply 99.7% High Purity Alumina Plate.

1. Extreme high temperature stability under reducing, inert and high vacuum condition under high temperature up to 1800C.

2. Extreme wear and abrasion resistance.

3. Chemical corrosion resistance under high temperature.

4. High dielectric properties.

5. Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature to eliminate contamination or impurity.

Technical Data

Performance Index	99.7 Alumina	95 Alumina	85Alumina
Al2O3 (%)	99.7	95	85
SiO2 (%)	<0.1	—	—
Density (g/cm3)	3.95	3.88	3.2
Water Absorption (%)	0	0.01	0.2
Cld Compressive Strength (MPa)	450	350	200
20C Leak Rates (Torr/L.sec)	<10^-11	<10^-11	<0^-11
Twisting In High Temperature (mm)	1700C 0.2 allowance	1600C 0.2 allowance	1400C 0.2 allowance
Bonding In High Temperature	1700C non-caked	1600C non-caked	1400C non-caked
20—1000C Coefficient of Thermal Expansion (mm.10^-6/C m)	8.6	8.2	8.2
Thermal Conductivity (W/m.k)	25	25	25
Electric Insulation Strength (KV/mm)	20	20	15
20C Direct Current Insulating Resistance (Ohm/cm)	10¹⁴	10¹⁴	10¹⁴
High-Temperature(1000C MΩ) Insulation Resistance (1300C MΩ_	≥0.08	≥0.08	≥0.08
High-Temperature(1000C MΩ) Insulation Resistance (1300C MΩ_	≥0.02	≥0.02	≥0.02
Thermal Shock Resistance	1550C 6 times not cracked	1550C 6 times not cracked	1300C 3 times not cracked
Max. Temperature (C)	1800	1700	1400

Application

Alumina ceramic Plate is mainly applied to wear, serious scour of material handling occasions, such as coal-fired power generation, metallurgy, coal, mining, industry, and other geological materials pipeline, as well as the use of electronic appliances such as insulation pipe; alumina ceramic rods is widely used in the industry of resistance to temperature and thermostat, as a resistance ceramic matrix and two-metal thermostat used in ceramic-top column.

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