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Q & A

Refractory materials differ in acidic and basic environments in terms of their chemical composition and resistance to corrosion. In acidic environments, refractory materials are exposed to high levels of acidity and tend to degrade due to chemical reactions. Acidic conditions can cause erosion, dissolution, and chemical attack on refractory materials, leading to their deterioration. On the other hand, in basic environments, refractory materials are exposed to high alkalinity, which can also cause chemical reactions and degradation. However, refractory materials that are specifically designed for basic environments are usually composed of different chemical compounds to resist the corrosive effects of basic conditions. Overall, the choice of refractory material for acidic or basic environments depends on their chemical resistance and ability to withstand the specific conditions they will be exposed to.

Titanium dioxide, when added to refractory materials, enhances their properties in several ways. Firstly, it acts as a fluxing agent, reducing the melting point and improving the flow of the refractory material during manufacturing. This results in better formability and easier shaping of the material into desired shapes. Additionally, titanium dioxide improves the thermal stability and resistance of refractory materials to high temperatures, making them more durable and effective in withstanding heat. Furthermore, it enhances the refractory material's resistance to chemical reactions and corrosion, improving its overall performance and longevity in harsh environments.

The raw materials used in the production of chrome refractories typically include chromite ore, magnesia, alumina, and silica.

Perovskite is a type of mineral that is commonly used in the production of refractory materials. Refractory materials are substances that can withstand high temperatures and harsh conditions without losing their structural integrity. Perovskite is added to refractory materials because of its unique properties, such as high melting point, excellent thermal stability, and good mechanical strength. It acts as a stabilizer and enhances the heat resistance of these materials, making them suitable for applications in industries like steel, glass, and cement production. Additionally, perovskite can also improve the insulating properties of refractory materials, allowing them to efficiently retain heat and reduce thermal energy loss.

Whether you are in need of high-quality refractory bricks, ceramic fibers, castable materials, or any other raw materials for refractory products, we have you covered. Our team of experts is dedicated to providing exceptional customer service and ensuring that you receive the right products for your specific requirements.

We understand the unique challenges and demands of the Angolan market, and we are well-equipped to navigate them. Our local presence allows us to offer timely delivery and flexible solutions to meet your project deadlines.

In addition to our sales and quotation services, we also provide technical support to help you make informed decisions. Our knowledgeable team can assist you in selecting the most suitable raw materials for your refractory products, ensuring optimal performance and cost-efficiency.

As a subsidiary of CNBM, we have access to a vast network of suppliers and resources, giving us a competitive advantage in the market. We continuously strive to improve our product portfolio, staying updated with the latest industry trends and innovations.

Partner with us for all your raw material needs for refractory products in Angola, and benefit from our extensive experience, exceptional service, and comprehensive procurement solutions. Contact us today to discuss your requirements and discover how we can serve you.