Semi - Chemical Pulp
Produced in a similar way to TMP (thermo-mechanical pulp), but the wood particles are chemically treated before entering the refiner. This pulp has properties suited to tissue manufacture. Some chemi-thermo mechanical pulp (CTMP) pulp is used in printing and writing grades. CTMP pulp is classified under semi-chemical pulps in the Harmonised System of the Customs Cooperation Council. In the Food and Agricultural Organisation (FAO) of the United Nations, as well as other industry statistics, such chemi-thermo mechanical pulps are grouped with mechanical pulp.