Final answer:
The five types of asphalt cement are asphalt cement for paving, asphalt cement for roofing, asphalt cement for industrial uses, asphalt cement for waterproofing, and asphalt cement for emulsions. Each type has different characteristics and is used for specific applications. Each type of asphalt cement also has different grades.
Step-by-step explanation:
The five types of asphalt cement are asphalt cement for paving, asphalt cement for roofing, asphalt cement for industrial uses, asphalt cement for waterproofing, and asphalt cement for emulsions. Each type has different characteristics and is used for specific applications. Each type of asphalt cement also has different grades, which are classified based on their viscosity and temperature susceptibility.
For example, in the paving grade category, there are different grades such as PG 64-22, PG 70-22, and PG 76-22. These grades indicate the temperature susceptibility and performance properties of the asphalt cement. The higher the number after 'PG', the higher the temperature susceptibility.
Overall, understanding the different types and grades of asphalt cement is crucial for selecting the appropriate material for various construction and industrial purposes.