In the calendering process, what product is typically produced?

The calendering process is primarily utilized in the manufacturing of continuous lengths of sheet from thermoplastics. This process involves feeding plastic material between a series of rollers that compress and shape it into a thin, uniform sheet. The rollers can be adjusted to achieve the desired thickness and texture of the final product, which is then typically used in various applications such as flooring, wall coverings, and industrial films.

Other options, such as granular plastic materials, are produced through different processes like extrusion or pelletizing, while finished electronic components are created through assembly and manufacturing processes specific to electronics. Composite materials involve combining two or more different materials to enhance certain properties, which is distinct from the calendering process focused solely on thermoplastics. Therefore, the production of continuous sheets is the hallmark of calendering, making this the correct answer.