| abstract |
A dust-proof fabric having an excellent dust-collecting efficiency and dust-preventing property including a plurality of filament yarns having a thickness of 20 to 400 denier and consisting of a plurality of individual filaments having a denier of 3.5 or less. The fabric has a number of pores formed therein and exhibits an air permeability of 0.3 to 10 ml/cm2/sec. In the fabric, the proportion of the integrated volume of pores having a size of 43 mu m or more to the entire integrated volume of all the pores in the fabric is 40% or less. |