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99.6% alumina (
) ceramic is a high-purity engineering ceramic favored for thin-film substrates, semiconductors, and high-temperature, high-vacuum applications. It provides superior mechanical strength, excellent electrical insulation, and high corrosion resistance compared to 96% alumina. Key properties include a typical 37.39 W/(m·K) thermal conductivity, 4.68 MPa m^1/2 fracture toughness, and very low surface roughness (0.05–0.15
m).
Key Characteristics & Applications:
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Web results
High Purity (99.6%) Alumina Ceramic Substrate 2"x2"x 0.5 ...
MTI Corporation
https://mtixtl.com › ... › Ceramic & Glass Substrate A-Z
MTI Corporation
https://mtixtl.com › ... › Ceramic & Glass Substrate A-Z
Item Added to Quote! · Al2O3 Ceramic Substrate; SUPERSTRATE 996 · Purity: 99.6% · Grain Size: < 1.0 Micron · Size: 2.0" +/- .020" SQ x .020" +/- .0005" THICK or ...Read more
Thin film Ceramic substrates of 99.6% Alumina
Valley Design
https://valleydesign.com › 996alumina-substrates-asfired
Valley Design
https://valleydesign.com › 996alumina-substrates-asfired
99.6% Alumina Ceramic substrates, tape cast for thin film applications, in thicknesses from 0.005" to 0.080" are now stocked by Valley Design.Read more
Popular products
Ceramic Substrates - Alumina 99.5%, 1.000" x 1.000"x 0.500"ortechceramics.com
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Weldingcity 10NL-series Long Alumina Ceramic Cupweldingcity.com & moreFree deliveryWeldingcity 10NL-series Long Alumina Ceramic Cupweldingcity.com & moreFree delivery
99% Non-porous Alumina Ceramic Sheet Wear-resistant Corundum Plate Ceramic Heat Sink Can Be Customized, Size: 40x40x5mmWalmart - Oemclima - Xuzhou DawaFree delivery99% Non-porous Alumina Ceramic Sheet Wear-resistant Corundum Plate Ceramic Heat Sink Can Be Customized, Size: 40x40x5mmWalmart - Oemclima - Xuzhou DawaFree delivery- 5% OFF
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Alumina Oxide (Hydrated)Rovin CeramicsAlumina Oxide (Hydrated)Rovin Ceramics
Web results
99.6% Alumina Substrate - Unipretec-Ceramic
unipretec-ceramic.com
https://www.unipretec-ceramic.com › Products
unipretec-ceramic.com
https://www.unipretec-ceramic.com › Products
This high purity alumina substrate exhibits excellent physical, chemical, and mechanical properties, including exceptional insulating properties, high thermal ...Read more
Preparation of 99.6 % alumina ceramic substrates with ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by W Liu2025Cited by 15 — Especially, the 99.6 % alumina ceramic substrate exhibits excellent physical and mechanical properties, with a thermal conductivity of 37.39 W/(m·K) and ...Read more
People also ask
Is alumina ceramic better than zirconia ceramic?
Hardness and Wear Resistance: Alumina is generally harder on the Mohs scale, which makes it excellent for applications requiring resistance to surface wear and high temperatures. In contrast, zirconia exhibits superior toughness and fracture resistance, beneficial for components that endure high dynamic stresses.
Alumina vs Zirconia: A Comparison of Ceramic Materials
Smartech International
https://smartechonline.com › resources › alumina-vs-zirc...
Smartech International
https://smartechonline.com › resources › alumina-vs-zirc...
Is alumina ceramic food safe?
Alumina in ceramics works because the science is solid. It's hard enough to resist scratches. It's stable enough to handle cooking heat without breaking down. It's inert enough that it won't poison your food.Oct 23, 2025
Alumina Ceramic Cookware: Safety, Strength & Heat Resistance - Elchemy
Elchemy
https://elchemy.com › blogs › chemical-market › the-rol...
Elchemy
https://elchemy.com › blogs › chemical-market › the-rol...
What are alumina ceramics?
Alumina ceramic, or aluminum oxide (Al2O3), is an industrial ceramic that has high hardness, is long wearing, and can only be formed by diamond grinding. Alumina ceramics are made from a white granular material or a very fine silky dense powder refined from bauxite.
Alumina Ceramics: Properties and Manufacturing - IQS Directory
IQS Directory
https://www.iqsdirectory.com › ceramic › alumina-ceramic
IQS Directory
https://www.iqsdirectory.com › ceramic › alumina-ceramic
What are the disadvantages of alumina?
Alumina shares several characteristics with other polycrystalline ceramic materials, such as moderate tensile and bending resistance and the brittle fracture behavior, which is the main disadvantage of the mechanical properties of alumina.
Aluminum Oxide - an overview | ScienceDirect Topics
ScienceDirect.com
https://www.sciencedirect.com › topics › aluminum-oxide
ScienceDirect.com
https://www.sciencedirect.com › topics › aluminum-oxide
Web results
99.6% Alumina Ceramic Substrate
Xiamen Wintrustek Advanced Materials Co., Ltd.
https://www.wintrustek.com › new › Alumina-Ceramic-S...
Xiamen Wintrustek Advanced Materials Co., Ltd.
https://www.wintrustek.com › new › Alumina-Ceramic-S...
Dec 10, 2024 — 99.6% Alumina has great electrical insulation, low thermal conductivity, high mechanical strength, outstanding dielectric characteristics, and ...Read more
CoorsTek Superstrate® 996 99.6% Alumina Thin Film
MatWeb
https://www.matweb.com › search › datasheet
MatWeb
https://www.matweb.com › search › datasheet
CoorsTek Superstrate® 996 99.6% Alumina Thin Film. Categories: Ceramic; Oxide; Aluminum Oxide. Material Notes: Applications: thin film substrates.Read more
Alumina Oxide: 99.6%, 99.5%, 96% and Black
Centerline Technologies
https://www.centerlinetech-usa.com › alumina
Centerline Technologies
https://www.centerlinetech-usa.com › alumina
99.6% Alumina offers high mechanical strength, low thermal conductivity, excellent electrical insulation, good dielectric properties and good corrosion and ...Read more
What are Different Grades of Alumina ... - Ceramic PCB
bstceramicpcb.com
https://www.bstceramicpcb.com › industry-knowledge
bstceramicpcb.com
https://www.bstceramicpcb.com › industry-knowledge
For ceramic PCBs, verifying that you're receiving 96% or 99.6% alumina is important for consistent thermal and electrical performance. Alumina Ceramic Uses.Read more
Polishing method of 99.6% alumina ceramic film substrate
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
A polishing method for 99.6% alumina ceramic film substrate is carried out by preparing slurry from 99.99% alumina powder, 1.8-2.5% magnesium oxide and 0.2% ...
99.6% High Purity Alumina Ceramic Substrates for ...
Fujian Huaqing Electronic Material Technology Co.,Ltd
https://www.huaqingcn.com › 999-high-purity-alumina-...
Fujian Huaqing Electronic Material Technology Co.,Ltd
https://www.huaqingcn.com › 999-high-purity-alumina-...
99.6% High Purity Alumina Ceramic Substrates for Semiconductor. Aluminum Oxide(Al2O3) has extremely high hardness, high temperature resistance and insulation, ...Read more
Scholarly articles for 99.6% Alumina Ceramic | |
… of 99.6% alumina ceramic substrates with high thermal … - Liu - Cited by 15 … of the dielectric performance of high-purity alumina - Boumous - Cited by 11 Alumina nanocrystalline ceramic by centrifugal casting - Li - Cited by 17 | |