Good Thermal Shock Resistant High Alumina Andalusite Brick Refractory Bricks

Refractory Andalusite Bricks

Introduction:

Refractory Andalusite bricks are a type of refractory material that is made primarily from andalusite mineral, which is a naturally occurring aluminum silicate. These bricks are known for their excellent thermal stability and high-temperature resistance. Andalusite bricks consists primarily of aluminum silicate (Al2SiO5) and exhibits high levels of alumina (Al2O3) content. which have high cold crushing strength, high refractoriness under load, high thermal stability, good creep resistance and thermal shock resistance. It is alternative product for high aluminum bricks, used in the professional of the key parts of the furnaces. for anode baking furnace in aluminum industry is a kind of neutral refractory material with excellent resistances to acid and alkali corrosion. Refractory andalusite brick is an alternative product for high aluminum bricks

Features:

Andalusite Composition: Andalusite is the main raw material used in the production of these refractory bricks. Andalusite mineral has a unique crystal structure that gives the bricks their desirable properties. 

High Thermal Stability: Andalusite Refractory Bricks possess excellent thermal stability, allowing them to withstand high temperatures without significant deformation or loss of strength. They can withstand temperatures up to 1,700°C (3,092°F) or even higher, depending on the specific grade and application.

Low Thermal Expansion: These bricks have a low coefficient of thermal expansion, meaning they expand minimally when exposed to high temperatures. This property helps to minimize thermal stress and cracking during thermal cycling, making them suitable for applications with rapid heating and cooling cycles.

Good Chemical Resistance: Andalusite Refractory Bricks exhibit good resistance to chemical attacks from acids, alkalis, and other corrosive substances. They maintain their structural integrity and properties even in harsh chemical environments, making them suitable for various industrial applications.

High Mechanical Strength: These bricks have high mechanical strength, which ensures their durability and resistance to mechanical stresses. They can withstand the mechanical forces exerted during installation, operation, and maintenance of refractory linings.

Versatile Applications: Andalusite Refractory Bricks find applications in various industries such as iron and steel, non-ferrous metals, ceramics, glass, cement, and petrochemicals. They are used in the construction of furnaces, kilns, boilers, and other high-temperature equipment where thermal insulation and resistance to chemical and mechanical stresses are required.

Customizable Grades: Andalusite Refractory Bricks are available in different grades and compositions to suit specific application requirements. The selection of the appropriate grade depends on factors such as the operating temperature, chemical environment, and mechanical stresses involved.

Properties of Andalusite Bricks

Characters as follows:
1.High-temperature endurable
2.Good thermal shock resistance
3.High cold crushing strength
4.Good resistance to abrasion and corrosion
5.Good thermal spalling resistance
6.High mechanical strength
7.Good volume stability at high temperature

Application of High Alumina Bricks

The high alumina bricks are mainly used in the cooling wall of blast furnace, chemical and ceramic industry, the door of coke oven, or as the lining and checker of hot blast furnaces..

Packing & Shipping

1. Strong packing will protect the goods from any possible damage during transit.

2. Solid packing and overall stuffing can prevent packages from vibration and jarring.

3. Strict & standard packing can protect goods from pilferage or rain.

1. Pallet + plastic film + Carton+ fixed band,

2. Pallet + plastic film + fixed band .

3. pallets: 1*1m, 0.93*0.93m .

4. Gross weight: 1.6~2.0ton.

5. packaging according to customer service requirements.