<P> The density of paper ranges from 250 kg / m (16 lb / cu ft) for tissue paper to 1,500 kg / m (94 lb / cu ft) for some speciality paper . Printing paper is about 800 kg / m (50 lb / cu ft). </P> <P> Paper may be classified into seven categories: </P> <Ul> <Li> Printing papers of wide variety . </Li> <Li> Wrapping papers for the protection of goods and merchandise . This includes wax and kraft papers . </Li> <Li> Writing paper suitable for stationery requirements . This includes ledger, bank, and bond paper . </Li> <Li> Blotting papers containing little or no size . </Li> <Li> Drawing papers usually with rough surfaces used by artists and designers, including cartridge paper . </Li> <Li> Handmade papers including most decorative papers, Ingres papers, Japanese paper and tissues, all characterized by lack of grain direction . </Li> <Li> Specialty papers including cigarette paper, toilet tissue, and other industrial papers . </Li> </Ul> <Li> Printing papers of wide variety . </Li>

What type of paper is regular printer paper