Bitumen grade 90 has the highest melting point of all three - about 90 °C. This means that this bitumen has high viscosity and resistance to heat. It is used in regions with hot climates, where temperatures can reach high values, which requires the use of a material that can maintain its characteristics at extreme temperatures. Bitumen grade 90 is used in the creation of road surfaces that must withstand high mechanical loads and exposure to high temperatures. It is widely used for laying asphalt roads in regions with heavy traffic and in hot climates. Bitumen 90 is also used as a material for waterproofing, moisture protection, and in the production of various building materials.