Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"High Purity Calcined Alumina With Excellent Thermal Stability","imgUrl":"https:\/\/img.chinax.com\/nimg\/73\/f7\/b981ba105d0ffed960ab19efa2b5-200x200-1\/high_purity_calcined_alumina_with_excellent_thermal_stability.jpg","attrs":{"Certification":"ISO9001, ISO14001, and ISO45001","Na\u2082O":"HA-1 \u22640.40%, HA-2 \u22640.15%","Model Number":"Calcined Alumina","SiO\u2082":"HA-1 \u22640.02%, HA-2 \u22640.01%"}}
{"title":"99.0-99.8% Al Content Calcined Alumina White Powder Refractory Materials","imgUrl":"https:\/\/img.chinax.com\/nimg\/58\/93\/a77bb079457bd305ba9240b2c3cc-200x200-1\/99_0_99_8_25_al_content_calcined_alumina_white_powder_refractory_materials.jpg","attrs":{"Brand Name":"HUAO","Model Number":"+86 18615146380","Place Of Origin":"CHINA","Packaging Details":"25kgs\/1000kgs\/1250kgs,or As Customer's Requirement"}}
{"title":"3.95g\/cm3 Proportion Calcined Alumina With 9 On Mohs Scale Hardness","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/b8\/9d63c6afed3aee11273e30b7014a-200x200-1\/3_95g_2fcm3_proportion_calcined_alumina_with_9_on_mohs_scale_hardness.jpg","attrs":{"Packaging Details":"25kgs\/1000kgs\/1250kgs,or as customer's requirement","Payment Terms":"100% in advance\/ 30% TT in advance, balance payment before delivery.","Proportion":"3.95g\/cm\u00b3","Density":"3.97 G\/cm3"}}
{"title":"Al2O3 Aluminium Oxide Calcined For Architectural Ceramics","imgUrl":"https:\/\/img.chinax.com\/nimg\/5d\/d6\/be79299ec3b1268f0c7939a85865-200x200-1\/al2o3_aluminium_oxide_calcined_for_architectural_ceramics.jpg","attrs":{"Brand Name":"HUAO","Place of Origin":"Zibo, Shandong","Packaging Details":"","Payment Terms":"100% in advance\/ 30% TT in advance, balance payment before delivery."}}
{"title":"99.2-99.8% Calcined Alumina White Powder For High Aluminum Refractory","imgUrl":"https:\/\/img.chinax.com\/nimg\/04\/4c\/7f233c927db7d7008d6c634bfe0c-200x200-1\/99_2_99_8_25_calcined_alumina_white_powder_for_high_aluminum_refractory.jpg","attrs":{"Brand Name":"HUAO","Place of Origin":"Zibo, Shandong","Packaging Details":"","Payment Terms":"100% in advance\/ 30% TT in advance, balance payment before delivery."}}
{"title":"99.0-99.8% Al2O3 Calcined Alumina Powder With Density Over 3.9g\/Cm3","imgUrl":"https:\/\/img.chinax.com\/nimg\/b0\/38\/6dcd265115960a9d559ea00b25d7-200x200-1\/99_0_99_8_25_al2o3_calcined_alumina_powder_with_density_over_3_9g_2fcm3.jpg","attrs":{"Standard":"General International Standards","Raw Material":"Industrial Alumina","Content Of Al":"99.0-99.8%","Appearance":"White Powder"}}
{"title":"Industrial Calcined Alumina 3.95g\/Cm3 Proportion 9 On Mohs Scale Hardness","imgUrl":"https:\/\/img.chinax.com\/nimg\/5d\/d6\/be79299ec3b1268f0c7939a85865-200x200-1\/industrial_calcined_alumina_3_95g_2fcm3_proportion_9_on_mohs_scale_hardness.jpg","attrs":{"Brand Name":"HUAO","Place of Origin":"Zibo, Shandong","Packaging Details":"25kgs\/1000kgs\/1250kgs,or as customer's requirement","Payment Terms":"100% in advance\/ 30% TT in advance, balance payment before delivery."}}
High Purity Calcined Alumina With Excellent Thermal Stability
Product Description
Calcined Alumina is a high-performance alumina material widely used in refractory, ceramic, and industrial applications requiring high purity, stability, and durability. Produced through controlled calcination, this material features excellent chemical stability, low impurity levels, and outstanding resistance to high temperatures. With high alumina content and a stable crystal structure, Calcined Alumina provides reliable performance in advanced ceramics, refractory products, polishing materials, and electrical insulation components. Its fine particle size distribution and excellent sintering properties help improve product strength, density, and overall performance. Designed for demanding industrial processes, Calcined Alumina offers a consistent material solution for applications requiring superior heat resistance and mechanical reliability.
Technical Parameters
Features/Methods
Unit
HA-1
HA-2
Al₂O₃
%
≥99.3
≥99.6
SiO₂
%
≤0.02
≤0.01
Na₂O
%
≤0.40
≤0.15
Fe₂O₃
%
≤0.02
≤0.02
LOI
%
≤0.1
≤0.1
α-Al₂O₃
%
≥93
≥94
Density
g/cm³
≥3.90
≥3.94
D50 Cilas
µm
4-5
4-5
325Mesh
%
≤1
≤1
Key Features
High Alumina Purity - Provides excellent chemical stability and refractoriness, making it suitable for applications requiring high-performance alumina materials.
Excellent Thermal Resistance - The stable alumina structure maintains performance under extreme temperatures, supporting reliable use in refractory and ceramic manufacturing.
Superior Chemical Stability - Low impurity content and strong corrosion resistance help the material withstand aggressive chemical environments and maintain consistent quality.
Fine Particle Distribution - Optimized particle size improves packing density, sintering performance, and processing efficiency in ceramic and refractory formulations.
High Mechanical Performance - Enhances hardness, strength, and wear resistance in finished products, improving durability and service life.
Product Images
Applications
Calcined Alumina is widely used in industries requiring high-purity alumina materials and reliable performance under demanding conditions.
Refractory Industry - Castables, refractory bricks, kiln furniture, and high-temperature lining materials.
Abrasive Industry - Grinding materials, polishing compounds, and precision surface treatment products.
Electronics Industry - Insulating components, semiconductor materials, and advanced ceramic parts.
Steel & Metallurgy - High-temperature materials and corrosion-resistant refractory systems.
Chemical Industry - Specialized ceramic products and applications requiring chemical stability.
Advantages
Reliable High-Temperature Performance - Maintains structural stability and material integrity in extreme thermal environments.
Improved Product Durability - Enhances hardness, wear resistance, and mechanical strength of finished ceramic and refractory products.
Consistent Processing Quality - Stable chemical composition and particle characteristics support uniform production results.
Wide Application Flexibility - Suitable for various formulations in ceramics, refractories, abrasives, and industrial materials.
Long-Term Cost Efficiency - Improves product lifespan and reduces maintenance or replacement requirements in industrial applications.
Customization Options
We provide customized Calcined Alumina solutions based on different application requirements. Particle size, chemical composition, packaging options, and material specifications can be adjusted to meet specific production needs. Our technical team works with customers to select suitable alumina grades for refractory, ceramic, abrasive, and industrial applications. Through professional material recommendations and quality control, we help optimize processing performance and achieve consistent results in different manufacturing environments.
FAQ
Q1: What is HUAO Calcined Alumina used for?
A1: HUAO Calcined Alumina is mainly used in refractory materials, advanced ceramics, abrasives, electrical insulation components, and other high-performance industrial products.
Q2: What are the main advantages of HUAO Calcined Alumina?
A2: It offers high purity, excellent thermal stability, chemical resistance, and strong mechanical properties, making it suitable for demanding applications.
Q3: What is the difference between Calcined Alumina and Tabular Alumina?
A3: Calcined Alumina is produced through calcination and is commonly used as a raw material for ceramics and refractories, while Tabular Alumina features a fully recrystallized structure designed mainly for high-performance refractory applications.
Q4: Can HUAO Calcined Alumina be customized?
A4: Yes. Particle size, purity level, packaging, and other specifications can be adjusted according to different manufacturing requirements.
Q5: What certifications does HUAO Calcined Alumina have?
A5: HUAO Calcined Alumina is certified with ISO9001, ISO14001, and ISO45001, ensuring high standards in quality management, environmental management, and occupational health and safety.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2016
Employee Number:
6~400
Ecer Certification：
Verified Supplier
ZIBO HUAO NEW MATERIALS CO., LTD is a professional manufacturer and supplier of high-performance alumina ceramic products and refractory raw materials. With over 10 years of export experience, we act not only as a supplier, but also as the eyes of our clients to monitor prod... ZIBO HUAO NEW MATERIALS CO., LTD is a professional manufacturer and supplier of high-performance alumina ceramic products and refractory raw materials. With over 10 years of export experience, we act not only as a supplier, but also as the eyes of our clients to monitor prod...
