Simply put, base paper refers to paper in its initial form-paper that has not undergone further processing or treatment. Typically produced directly on the paper machine, it is ready for use after only basic cutting and inspection. Below is a detailed explanation of base paper:

Base paper primarily refers to paper that has not undergone secondary processing such as printing, coating, or calendering. Its surface may be relatively rough, and its texture may lack the uniformity found in processed paper; however, it retains the paper's most fundamental characteristics and properties.