Calcined Bauxite
Your Professional Calcined Bauxite Supplier
Qinyuan County Fuda New Materials Import and Export Co., Ltd. (hereinafter referred to as Fuda New Materials) is located in Qinyuan, Shanxi Province. Founded in 2018, it is an integrated industry and trade enterprise specializing in the sales and export of zirconium sandblasting and grinding series materials.The company also sells various glass beads, zirconia powders, and stabilized zircons. At the same time, the company has formed partnerships with well-known domestic enterprises to promote the application, technical services, and product sales of basalt fiber filaments and series products.
Production Equipment
The factory's equipment includes: high-temperature arc furnace, special transformer, bag dust collector, air compressor, cyclone cooler, batching system, water circulation system, gravity separator, screening machine, feeder, elevator, dry cleaning machine, particle size selection machine, a full set of chemical and physical laboratory equipment.
Our certificates
Our factory has passed ISO9001:2015 standard quality management system certification and ISO14001:2015 environmental management system certification, AAA credit rating.
Product Application
We provide domestic and foreign customers with various zirconium series products required for sandblasting and grinding, as well as various basalt fiber filaments and their products required in the fields of construction, aerospace, etc.
Production Market
Our products are exported to more than 20 countries including the United States, Canada, Germany, Poland, Russia, South Korea, Vietnam, India, Singapore, etc.
Technical Features of Calcined Bauxite
|
TECHNICAL FEATURE |
DESCRIPTION |
|
Alumina Content (Al2O3) |
Typically above 85%, indicating high purity and quality. |
|
Iron Oxide (Fe2O3) |
Low content (<2%) ensures minimal contamination in applications. |
|
Bulk Density |
Ranges from 2.80 to 3.30 g/cm³, affecting the material’s strength. |
|
Sintering Temperature |
Above 1500 °C, critical for achieving desired properties. |
|
Moisture Content |
Less than 0.5%, ensuring a stable product. |
|
Chemical Stability |
Chemically inert under high temperatures and acidic/alkaline conditions. |
Advantages of Calcined Bauxite
High Hardness and Durability: Calcined bauxite has a high hardness rating, making it an extremely durable material that can withstand wear and tear. Its high hardness also makes it ideal for use in anti-skid road surfaces, where it provides excellent traction and improves safety.
Chemical Stability: Calcined bauxite is a chemically stable material that is resistant to corrosion and erosion. It does not react with water or other chemicals, making it ideal for use in harsh chemical environments.
Heat Resistance: Calcined bauxite has a high melting point, making it an ideal material for use in high-temperature applications. It can withstand temperatures of up to 1770°C, making it ideal for use in the production of refractory bricks and other high-temperature materials. The heat resistance of calcined bauxite also makes it an ideal material for use in the welding industry, where it is used as a coating for welding electrodes.
Low Thermal Expansion: Calcined bauxite has low thermal expansion, making it an ideal material for refractory applications. Its low thermal expansion ensures that refractory materials made from calcined bauxite maintain their shape and size at high temperatures, providing reliable performance.
Abrasive Properties: Calcined bauxite’s abrasive properties make it an ideal material for use in the manufacture of sandpaper, grinding wheels, and polishing compounds. The abrasive grains of calcined bauxite are hard and durable, allowing them to remove material quickly and efficiently.
Types of Calcined Bauxite
Calcined bauxite comes in various grades and types, each tailored for specific applications. The following table compares different types of calcined bauxite:
|
TYPE OF CALCINED BAUXITE |
APPLICATIONS |
KEY CHARACTERISTICS |
|
Refractory Grade Bauxite |
Used in furnaces and kilns for high-temperature environments. |
High alumina content, low impurity, excellent thermal stability. |
|
Welding Grade Bauxite |
Primarily used in welding rods and electrodes. |
Enhanced bonding properties, high purity. |
|
Road Paving Bauxite |
Utilized for anti-skid surfaces in road construction. |
High friction properties, durable and weather-resistant. |
|
Cement Grade Bauxite |
Used in the production of bauxite cement. |
Optimal for bonding and strength in cement mixtures. |
|
HFST (High Friction Surface Treatment) Bauxite |
Applied to road surfaces for increased safety. |
Superior anti-skid properties, complies with DOT standards. |
Specification
|
Item |
Unit |
RKB75 |
RKB80 |
RKB85 |
RKB86 |
RKB87 |
|
Al2O3 |
% |
75min |
80min |
85min |
86min |
87min |
|
SiO2 |
% |
16max |
14max |
9max |
8max |
7max |
|
Fe2O3 |
% |
2.5max |
2.5max |
2.0max |
2.0max |
2.0max |
|
TiO2 |
% |
4.0max |
4.0max |
4.0max |
3.8max |
3.8max |
|
K2O+Na2O |
% |
0.5max |
0.5max |
0.4max |
0.45max |
0.45max |
|
CaO+MgO |
% |
0.5max |
0.5max |
0.5max |
0.45max |
0.45max |
|
Bulk Density |
g/cm³ |
2.80 |
3.00 |
3.10 |
3.15 |
3.20 |
|
Moistrue |
% |
0.5max |
0.5max |
0.5max |
0.5max |
0.5max |
Applications of Calcined Bauxite
Calcined bauxite finds its way into numerous applications across diverse sectors. Its versatility stems from its unique properties, which include high hardness, durability, and resistance to weathering. Key applications include:
Refractories:
Used to manufacture bricks and linings in kilns and furnaces, calcined bauxite withstands extreme temperatures and harsh environments.
Abrasives:
Calcined bauxite serves as an abrasive material in grinding and polishing applications due to its hardness.
Construction:
In road paving, it provides anti-skid surfaces, ensuring safety on highways and pedestrian pathways.
Cement Production:
Calcined bauxite is a key ingredient in producing bauxite cement, known for its rapid hardening properties.
Bonding Agents:
When mixed with other materials, it acts as an effective bonding agent, particularly in refractory applications.
Manufacturing Process
The manufacturing of calcined bauxite involves several stages:
Mining:
High-grade bauxite is extracted from the earth.
01
Crushing and Grinding:
The ore is crushed and ground to reduce particle size.
02
Calcination:
The ground bauxite is heated in rotary kilns at temperatures above 1500 °C to remove moisture and enhance alumina content.
03
Cooling:
The calcined bauxite is cooled and then crushed to the desired size.
04
Quality Control:
Rigorous testing ensures the final product meets industry standards.
05
FAQ
We're professional calcined bauxite manufacturers and suppliers in China. If you're going to wholesale high quality calcined bauxite, welcome to get quotation and free sample from our factory. Also, customized service is available.
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