The utility model relates to female sanitary product technical field discloses a sanitary
tampon of instantaneous suction and lock of cotton core, including cotton core, the wrapping layer of wrapping in cotton core outside, the pull line of connecting in cotton core one end and setting in the
insertion head of cotton core other end, the cotton core has three -dimensional intercommunication
network structure, the cotton core includes instantaneous suction layer, flow guide layer,
liquid storage lock layer and
protection layer gradually from inside to outside, the
porosity of instantaneous suction layer, flow guide layer,
liquid storage lock layer gradually reduces. The utility model discloses through setting the cotton core of multilayer structure, and the
porosity of each layer gradually reduces from inside to outside, instantaneous suction layer can rapidly absorb
menstrual blood, flow guide layer guides
menstrual blood to the penetration of instantaneous suction layer and prevents reverse penetration,
liquid storage lock layer stores a large amount of
menstrual blood and locks and prevents side leakage, and
protection layer prevents the exosmosis of menstrual blood from the outside of cotton core, and the overall improvement of sanitary
tampon's absorption speed,
absorption capacity and side leakage prevention performance.