Chamotte (Calcined Refractory Kaolin)

Chamotte (Calcined Refractory Kaolin)

Chamotte, also known as calcined refractory kaolin, is an aluminosilicate-based raw material used in the production of refractory masses, refractory bricks, and other heat-resistant ceramic and industrial products. Available in different grades, including DKS-40 and DKB-50, it offers a controlled chemical composition suitable for various refractory manufacturing applications.

Product Analysis

Property Nutritional Values / Specifications
Product Name Chamotte (Calcined Refractory Kaolin)
Available Grades DKS-40 / DKB-50
Silicon Dioxide (SiO₂) DKS-40: 56 ± 2% / DKB-50: 38 ± 2%
Aluminium Oxide (Al₂O₃) DKS-40: 40 ± 2% / DKB-50: 50 ± 2%
Iron Oxide (Fe₂O₃) DKS-40: < 1.2% / DKB-50: < 2%
Titanium Dioxide (TiO₂) DKS-40: < 0.5% / DKB-50: < 6%
Calcium Oxide (CaO) DKS-40: 0.42% / DKB-50: 0.33%
Magnesium Oxide (MgO) DKS-40: 0.38% / DKB-50: 0.24%
Potassium Oxide (K₂O) DKS-40: 0.40% / DKB-50: 0.32%
Sodium Oxide (Na₂O) DKS-40: 0.60% / DKB-50: 0.24%
Sulfur Trioxide (SO₃) Trace / Trace
Main Applications Refractory Masses, Aluminosilicate Refractory Bricks

Chamotte (Calcined Refractory Kaolin) is a mineral raw material widely used in the refractory industry due to its aluminosilicate composition and suitability for high-temperature applications.

Produced from kaolin through calcination, this material is used as a key component in refractory formulations, helping manufacturers develop products designed to withstand demanding thermal and industrial operating conditions.

Depending on the required chemical composition and final application, Chamotte is available in different grades, including DKS-40 and DKB-50. These grades differ primarily in their silica (SiO₂) and alumina (Al₂O₃) content, allowing manufacturers to select the appropriate material for their production requirements.

Chamotte is commonly used in refractory masses, aluminosilicate refractory bricks, and other heat-resistant ceramic products. Its suitability for a particular application depends on the selected grade, formulation, processing conditions, and required technical specifications.

Packing

Chamotte (Calcined Refractory Kaolin) is supplied in heavy-duty Jumbo Bags, suitable for industrial handling, storage, and bulk transportation.

– **Product Type:** Chamotte (Calcined Refractory Kaolin)
– **Material Category:** Calcined aluminosilicate refractory raw material
– **Packaging:** Heavy-duty Big Bags (Jumbo Bags)
– **Typical Bag Capacity:** 1–1.2 metric tons per bag
– **Supply Quantity:** Subject to order requirements and availability

Packaging details, minimum order quantities, and supply arrangements can be confirmed when requesting a quotation.
Available Grades

Chamotte (Calcined Refractory Kaolin) is available in two grades: DKS-40 and DKB-50. Each grade has a different chemical composition, particularly in terms of silica (SiO₂) and alumina (Al₂O₃) content.

**DKS-40:** Contains 56 ± 2% silica and 40 ± 2% alumina, with a maximum iron oxide (Fe₂O₃) content of 1.2% and titanium dioxide (TiO₂) below 0.5%. Suitable for refractory applications requiring this specific chemical composition.

**DKB-50:** Contains 38 ± 2% silica and 50 ± 2% alumina, with a maximum iron oxide (Fe₂O₃) content of 2% and titanium dioxide (TiO₂) below 6%. Suitable for applications requiring a higher alumina content.

The appropriate grade should be selected according to the required chemical composition, manufacturing process, and technical specifications of the final refractory product.
Frequently Asked Questions

**What is Chamotte (Calcined Refractory Kaolin) used for?**

Chamotte is primarily used in refractory masses, aluminosilicate refractory bricks, monolithic refractories, and ceramic products.

**What is the difference between DKS-40 and DKB-50?**

The main difference is their chemical composition. DKS-40 contains 40 ± 2% alumina and 56 ± 2% silica, while DKB-50 contains 50 ± 2% alumina and 38 ± 2% silica.

**Which Chamotte grade should I choose?**

The appropriate grade depends on the alumina and silica requirements of your formulation, the manufacturing process, and the technical specifications of the final product.

**How is Chamotte packaged?**

Chamotte is supplied in heavy-duty Jumbo Bags, with a typical capacity of 1–1.2 metric tons per bag.

**Can Chamotte be shipped internationally?**

Yes. International shipping can be arranged by sea, road, rail, or air freight, depending on the destination and shipment requirements.

**Can I request a bulk quotation?**

Yes. Buyers can contact the sales team with their preferred grade, order quantity, destination, and packaging requirements to request a quotation.

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