Humidity regulator element for use in packaging

摘要

The moisture-regulating element (12) has a base (1) with cellulose fibers (2). A moisture regulating portion (3) is provided for regulating the moisture content of cellulose fibers. A base layer (6) is arranged above or below the layer of cellulose fibers. A covering layer (7) is arranged on opposite side of base layer. The base layer and covering layer are made of non-woven fabric or tissue. The liquid impervious layers (8,9) made of cotton, non-woven fabric and/or perforated film are arranged on the base layer and covering layer.