| 摘要 |
PURPOSE: Provided is an air permeable non woven fabric film for use in the bottle-cover of moisture absorbent, which is excellent in moisture absorbent capacity and air permeability. CONSTITUTION: The air permeable non woven fabric comprises 30-75 wt.% of ethylene vinyl acetate as a binder, 30-60 wt.% of xylene as a solvent, 30-70 wt.% of white powdery paper, 30-80 wt.% of pigment, 0.5-40 wt.% of volcanic rock, and 0.2-30 wt.% of sodium dioxtyl sulfosuccinate as an emulsifier.
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