403 Forbidden

Talc Talc is one of the most versatile and useful industrial minerals. The massive variety of talc is known as steatite or soapstone. Talc is soft (1 on the Mohs scale of hardness), non-abrasive, inert and easily ground to a fine white powder used in many applications including: painting, the properties of oil absorption capacity, ...

Gypsum Gypsum is a very useful processed material. Gypsum rock was formed in geological time through the evaporation of seawater. Some gypsum sand deposits contain only about 60 per cent gypsum, and these are not very suitable for producing a plaster; those containing more than 80 per cent would be most suitable. Gypsum is also ...

Concrete Concrete is a complex building material consisting mainly of aggregate, cement and water. Concrete is one of the most durable construction materials. It has excellent fire resistance, concrete buildings are more durable with long service life and strength compared with wooden construction. Concrete is the most extensively applied construction material in the world with annual consumption estimated at between 21 and ...

Kaolin Kaolin is a mixture of various minerals. Its main component is kaolinite; it often contains quartz, mica, feldspar, illite, and montmorillonite. It is formed by rock weathering. Kaolin is widely used in ceramics, medicine, coated paper, cosmetics, as food additive in toothpaste, as a light diffusing material in white light bulbs. Kaolin is also ...