👉 In the context of materials science and engineering, a non-bituminous material is one that does not contain or exhibit typical characteristics associated with bituminous materials such as color, texture, hardness, toughness, durability, or surface finish. Non-bituminous materials are often used in applications where there is no need for bituminous coatings, such as roofing, concrete, and wood flooring. They can also be used in a variety of other industries to improve the properties of various materials, including plastics
