FILTER MEDIUM AND METHOD OF OBTAINING FILTER MEDIUM, BAG FOR FRACTIONAL TEA BREWING

摘要

FIELD: textiles; paper. ^ SUBSTANCE: filter medium contains one or more layers of fibrous covering and is meant particularly for, making filtering bags or pouches for preparing drinks that are brewed; in this case at least one fibrous covering contains fibres or microcapsules with a material capable of changing its state, in this case their change from the solid state to liquid state takes place in the range of 0-120°C, and the unit weight of the surface of the filtering material is from 8 to 90 g/m2. For example, paraffin hydrocarbons can be used as the material capable of changing its state. ^ EFFECT: improving quality of the brew. ^ 23 cl, 8 dwg