Non-Combustible Wrapper For Use In Heat But Not Burn Applications

A wrapper for a heat but not burn stick comprising:

• a base web, the base web having a first side and a second and opposite side, the base web comprising a flame retardant filler, the flame retardant filler comprising calcium carbonate, the flame retardant filler being present in the base web in amount less than about 24 wt. %;
• and
• a continuous coating disposed on the first side of the base web, the coating comprising a reduced ignition composition, the reduced ignition composition comprising a polymer material, a cellulose material, or mixtures thereof, the base web having a permeability where coated with the reduced ignition composition of less than about 5 CU and having a diffusivity of less than 0.04 cm/s, the coating having a basis weight from about 0.5 gsm to about 10 gsm.

(canceled)

A wrapper for a heat but not burn stick comprising:

• a base web, the base web having a first side and a second and opposite side, the base web comprising a flame retardant filler, the flame retardant filler comprising calcium carbonate, the flame retardant filler being present in the base web in amount less than about 40 wt. %;
• and
• a continuous coating disposed on the first side of the base web, the coating comprising a reduced ignition composition, the reduced ignition composition comprising a polymer material, a cellulose material, or mixtures thereof, the base web having a permeability where coated with the reduced ignition composition of less than about 5 CU and having a diffusivity of less than 0.04 cm/s, the first side of the base web having a surface area and wherein the reduced ignition composition covers greater than about 90% of the surface area of the first side of the base web.

A wrapper for a heat but not burn stick comprising:

• a plurality of layers, the plurality of layers comprising an outer layer and an inner layer, the inner layer comprising a base web, the base web having a first side and a second and opposite side, the base web comprising a flame retardant filler, the flame retardant filler being present in the base web in amount less than about 40 wt. %;
• and
• a continuous coating disposed on the first side of the base web, the coating comprising a reduced ignition composition, the reduced ignition composition comprising a polymer material, a cellulose material, or mixtures thereof, the base web having a permeability where coated with the reduced ignition composition of less than about 5 CU and having a diffusivity of less than 0.04 cm/s.