FIELD: textile, paper.
SUBSTANCE: paper used as a filter material or a filter wrapping paper for a cigarette filter is made of cellulose fibers for at least 80 wt %, where at least 80 wt % of the said fibers consist of a mixture of long-fiber cellulose and mercerized cellulose. At the same time from 0 to 90 wt % of the said mixture consists of mercerized cellulose, and the remainder consists of long-fiber cellulose, and the grinding degree of the cellulose fibers of the said mixture determined according to ISO 5267 does not exceed 30°SR. During the breaking test with devices described in TAPPI T 261, after 30 seconds the paper is broken down for at least 60%, preferably at least 70% and particularly preferably at least 80%.
EFFECT: invention provides a paper for a cigarette filter, which breaks down in water quickly and is easy to manufacture.
15 cl, 5 ex
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