Cartridge sealing strip

The utility model discloses a gland strip for toner cartridge comprising a bottom layer with tearing direction, and a tear strip for tearing the bottom layer; an adhesive layer is arranged on the periphery at one side of the bottom layer, and which can be adhered to the toner cartridge in seal; the outside of the adhesive layer is provided with a disjuncting layer, and the tear strip is formed by being extended from one end of the bottom, the width of the tear strip is equal to the width of the part at the bottom layer which is needed to be torn; a notch is positioned at the end with drawstring on the adhesive layer and the disjuncting layer. The utility model is characterized in that: a cut is arranged at the two sides nearby the drawstring of the notch for tearing the strip conveniently; the bottom layer is a single-layer aluminum foil. The utility model has the advantages of that: the cut is arranged at the two sides nearby the drawstring of the notch for tearing the strip conveniently, when in drawing, the strip will not be broken; and the bottom layer in a single-layer structure can simplify the structure, thereby the costs for the product can be reduced greatly.