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Refractory

Classification Of Refractories

Refractory materials are specialized products that maintain structural integrity and strength while enduring harsh environments and extremely high temperatures. They are used in industrial applications that involve high heat, such as in furnaces, kilns, and incinerators, as well as in the construction of buildings that require fire resistance, such as fireplaces and chimneys. Refractory products can be made from a variety of materials, including ceramics, metals, and composites, and are designed to resist thermal shock, erosion, and corrosion. Refractory fire bricks, clay bricks, insulation bricks, hollow bricks, magnesia bricks, high alumina bricks, and ceramic fiber products are some examples.

Classification

F.A.Q.

For the questions that often appear in cooperation, we make the following answers to help you learn more about us.

We are a real manufacturer, our factory is specialized in producing refractory materials for more than 30 years. We promise to provide the best price, the best pre-sale and after-sale service.

For each production process, RBT has a complete QC system for chemical composition and physical properties. And we will test the goods, and the quality certificate will be shipped with the goods. If you have special requirements, we will try our best to accommodate them.

Depending on the quantity, our delivery time is different. But we promise to ship as soon as possible with guaranteed quality. It usually needs about 15- 20 days after receiving the PO.

Of course, we provide free samples.

Yes, of course, you are welcome to visit RBT company and our products.

There is no limit, we can provide the best suggestion and solution according to your situation.

We have been making refractory materials for more than 30 years, we have strong technical support and rich experience, we can help customers design different kilns and provide one-stop service.

How to make bricks?

Refractory brick production process, crushing-mixing-forming-drying-firing-quality inspection.

Crushing

Select different solid raw materials for crushing according to different bricks.

Mixing

Mix the pulverized raw materials in proportion, add the binder and stir evenly.

Shaping

The brick body is formed by the vibration method, extrusion method, ramming method, isostatic pressing moulding, melting casting moulding, grouting moulding and other methods.

Drying

The purpose of drying is to remove the moisture in the brick body and harden the organic binder or inorganic binder, which can effectively improve the bonding strength of the brick body.

Firing

Place the bricks on the push plate, push them into the kiln, and use different temperatures for firing according to different bricks.

Inspecting

After firing and forming, check the integrity, hardness, size, etc. of the bricks to ensure the quality of the goods.

Product Testing Equipment

There are various tests that are commonly used to evaluate the quality of refractory materials. Here are some of the most important ones

Refractory Test Machine KRZ-S01A
Refractory Test Machine HRY-04Y
Refractory Test Machine CSL-16-14

This test is performed to determine the chemical composition of the material, including the presence of impurities.

The bulk density of a refractory material is the mass per unit volume. This test is important to ensure that the material has the required strength and durability.

Porosity is the percentage of voids in the material. This test helps to ensure that the refractory material is able to withstand high temperatures without cracking or deteriorating.

This test measures the rate at which heat is transferred through the material. It is important to ensure that the material is able to maintain its insulating properties at high temperatures.

This test measures the ability of the material to bend without breaking. It is important to ensure that the material is able to withstand the forces that may be present in the environment.

Refractory Test Machine

This test measures the amount that a material expands when exposed to high temperatures. It is important to ensure that the material is able to expand and contract without cracking or breaking.

This test measures the ability of the material to withstand compression. It is important to ensure that the material is able to withstand the weight of the surrounding structure.

This test measures the ability of the material to withstand wear and tear. It is important to ensure that the material is able to withstand the abrasive forces that may be present in the environment.

This test measures the ability of the material to resist chemical attack. It is important to ensure that the material is able to withstand exposure to corrosive substances.

high alumina kiln

Display Of Various Applications

ceramic fiber module
Castable construction
Magnesia chrome brick kiln

These materials are crucial components in high-temperature industrial processes, such as steel, cement, and glass-making. Refractories offer high-temperature insulation, chemical resistance, and durability against harsh chemicals. They are also utilized in a range of equipment, including kilns, furnaces, reactors, and incinerators. Additionally, they are used in constructing fireplaces, wood stoves, and pizza ovens.

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