FIELD: cardboard for packaging of liquid foods.
SUBSTANCE: cardboard has one of layers containing additives of metal salt, metal oxide or enzymes for decomposing of disinfecting composition, in particular, hydrogen peroxide, or reacting therewith for obtaining of gas serving as barrier for penetration of the given disinfecting composition through edges into cardboard.
EFFECT: increased efficiency in protecting of cardboard from penetration of disinfecting composition into cardboard and, accordingly, into liquid food.
8 cl, 1 tbl, 1 dwg, 1 ex
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