Mullite sand can effectively reduce sand sticking in precision casting through various mechanisms, as follows:I. High fire resistance and low expansion coefficientMullite sand has a high fire resistance (usually over 1750℃), which can remain stable at high temperature without melting or deformation. Read More
The influence of mullite sand on casting quality in precision casting is mainly reflected in the following aspects:I. Fire resistanceThe refractoriness of mullite sand is usually above 1750℃, which makes it stable at high temperature without melting or deformation, thus ensuring that the casting mol Read More
Mullite sand is an important material widely used in the field of precision casting, which provides reliable support for casting process with its excellent physical and chemical characteristics. Read More
The calcination temperature and usage of bauxite are as follows:I. Calcination temperatureThe calcination temperature of bauxite is usually between 1400℃ and 1700℃, and the specific temperature needs to be adjusted according to the grade and use of bauxite. Read More
Temperature control during bauxite calcination is a key link to ensure product quality. The following are the specific methods and parameters of temperature control during bauxite calcination:I. calcination temperature rangeThe calcination temperature of bauxite is usually between 1400℃ and 1600℃. Read More
Bauxite is an important mineral resource, which is widely used in refractories, ceramics, metallurgy and other fields. Calcining bauxite is to treat bauxite ore by high temperature calcination process, so that its physical and chemical properties are significantly improved Read More
The following key points should be paid attention to in the calcination process of bauxite to ensure product quality and production efficiency:I. Temperature controlPreheating stage: slowly heat the material to 400℃~600℃ to remove crystal water. Read More
The calcination temperature of special grade bauxite is higher than that of grade I bauxite, the main reasons are as follows:I. Influence of chemical compositionThe ALO content of super bauxite is usually above 85%, while the ALO content of grade I bauxite is between 75% and 85%. Read More
The main differences between super-grade bauxite and I-grade bauxite are chemical composition, physical properties and application scenarios. Read More
Calcined flint clay is widely used in refractories, and the following are its main application fields:I. Low porosity clay brickCalcined flint clay is an important raw material for making clay bricks with low porosity. By using flint clay clinker and soft clay, a low porosity clay brick with porosit Read More
Calcined flint clay is a kind of high-quality hard clay clinker, which is widely used in many industrial fields because of its excellent properties after high-temperature calcination. Read More
Calcined flint clay is widely used in iron and steel industry, mainly in the following aspects:I. Blast furnace lining materialsCalcined flint clay is widely used as lining material of blast furnace because of its high refractoriness and excellent physical and chemical stability. Read More
