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Calcined Bauxite

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MOQ : 20 MT Metric Tons

Calcined Bauxite Specification

Water Absorption
<1%

Surface Finish
Rough to Granular

Usage & Applications
Steel, Cement, Glass Industries, Road Construction

Form
Lump, Powder, Granules

Density
3.10 Gram per cubic centimeter(g/cm3)

Melting Point
1780C - 1850C

Purity(%)
80-88%

Hardness (%)
Mohs Hardness 8 - 8.5

Chemical Composition
Al2O3: 80-88%, Fe2O3: 2-4%, TiO2: 2-4%, SiO2: 4-6%

Application
Abrasives, Refractories, Sand Blasting, Road Surfacing, Steel Plants, Furnace Linings

Product Type
Refractories

Types of Refractories
Calcined Bauxite Refractories

Shape
Grains, Powder, Lumps

Porosity
Low

Dimensional Stability
Excellent at High Temperatures

Strength
High Crushing Strength

Specific Gravity
3.45 - 3.50 g/cm

Thermal Conductivity
Moderate to High

Color
Brown, Grey

Refractoriness Under Load (RUL)
>1500°C

Grain Size
As per requirement

State
Solid

Bulk Density
1.40 - 1.60 T/m³

Shelf Life
Long, Stable Storage

Particle Size
0-1mm, 1-3mm, 3-5mm, 5-10mm or customized

Abrasion Resistance
Excellent

Packaging
25/50 kg HDPE bags or as required

Thermal Expansion
Low

Calcined Bauxite Trade Information

Minimum Order Quantity
20 MT Metric Tons

FOB Port
Mundra

Payment Terms
Letter of Credit (L/C), Western Union, Delivery Point (DP), Telegraphic Transfer (T/T), Days after Acceptance (DA)

Supply Ability
500 Metric Tons Per Month

Delivery Time
12 Days

Sample Available
Yes

Sample Policy
Free samples are available

Main Export Market(s)
Eastern Europe, Western Europe, Middle East, Central America, South America, Asia, North America, Australia, Africa

About Calcined Bauxite

Calcined Bauxite

Calcined Bauxite is most commonly used raw material in refractory applications due to its aluminum content that makes it suitable for the production of metallurgical bauxites and wide range of other refractory materials and cement. It is produced by sintering process which is carried out at an extreme temperature of 1500 degree Celsius which results in low impurity content that makes highly heat resistant. This refractory element is highly demanding due to its excellent mechanical strength and resistance to molten slags.

High-Performance Properties

Calcined Bauxite offers excellent refractoriness under load (>1500C), high crushing strength, and low water absorption (<1%). Its specific gravity ranges from 3.45 to 3.50 g/cm3, and it is renowned for outstanding abrasion resistance and low porosity. These attributes make it suitable for extreme industrial environments and challenging applications.

Versatile Particle Sizes & Forms

Our Calcined Bauxite is available in customizable grain sizes (0-1mm, 1-3mm, 3-5mm, 5-10mm) and in multiple shapes, such as lumps, powder, and granules. The varying forms allow tailored solutions for diverse processes, from abrasives and refractories to sand blasting and road construction.

Reliable Packaging & Long Shelf Life

To ensure safety and ease of handling, Calcined Bauxite is packaged in high-quality HDPE bags of 25 or 50 kg, or per customer requirements. Its stable storage and long shelf life guarantee consistent performance and reduce material wastage over time.

FAQ's of Calcined Bauxite:

Q: How is Calcined Bauxite used in steel and cement industries?

A: Calcined Bauxite is employed as a raw material in the production of refractory linings, which protect furnaces and kilns from high temperatures and abrasion in steel and cement plants. Its high Al2O3 content and crushing strength help extend the operational life of these industrial linings.

Q: What is the process for customizing particle size or grain size of Calcined Bauxite?

A: We offer Calcined Bauxite in standard sizes ranging from 0-1mm up to 5-10mm, and can customize grain size based on specific customer requirements, ensuring optimal performance for intended applications. The material is processed and screened to achieve consistency and precision in sizing.

Q: What benefits does Calcined Bauxite provide in road surfacing and construction?

A: Calcined Bauxite's excellent abrasion resistance, high hardness (Mohs 8-8.5), and rough granular surface ensure long-lasting, non-slip roads. It supports improved durability and safety in both standard and high-traffic construction scenarios due to its dimensional stability and low porosity.

Q: When should Calcined Bauxite be applied for refractory purposes?

A: Calcined Bauxite is recommended for refractory applications when extreme temperatures, above 1500C, and high mechanical strength are required. Its stability and low thermal expansion make it a preferred choice for critical furnace, kiln, and similar high-heat environments.

Q: Where is Calcined Bauxite sourced and supplied from?

A: Calcined Bauxite is manufactured, exported, and supplied by verified producers in India, ensuring reliable quality and timely global delivery for industrial customers.

Q: What are the recommended packaging options for Calcined Bauxite?

A: Calcined Bauxite is securely packed in 25 kg or 50 kg HDPE bags, or according to client requirements. This packaging ensures material integrity, safety in handling, and ease of transportation.

Q: How does the low thermal expansion of Calcined Bauxite benefit different industrial applications?

A: Low thermal expansion in Calcined Bauxite reduces the risk of cracking or structural failure during rapid temperature changes, making it ideal for refractory linings, furnace parts, and other high-temperature industrial processes.

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