👉 Bitumen is a type of asphalt, a mixture of cement and sand that is used in construction. It is primarily composed of silica (SiO2) and alumina (Al2O3), which are two types of minerals found naturally in the Earth's crust. Bitumen can be used to make roads, bridges, and other structures by adding it to concrete or asphalt mixtures. Bitumen has several unique properties that set it apart from other types of asphalt. For example, it is