PROBLEM TO BE SOLVED: To provide a nonwoven fabric made by an air-laid method, which is made of ultrafine fibers and suitably used as sanitary products, food absorption sheets and other absorbent articles.SOLUTION: An ultrafine fiber nonwoven fabric comprises 50-100 wt.% of ultrafine fibers having single fiber fineness of 0.05-0.5 dtex and at least one layer of nonwoven fabric with 3-50 g/mof fabric weight made by an air-laid method. The ultrafine fiber nonwoven fabric is a monolayer or multilayer excellent in moisture diffusion property with reduced wetback.SELECTED DRAWING: None【課題】極細繊維からなり、生理用品、食品用吸収シート、その他の吸収性物品などとして好適に用いられるエアレイド法からなる不織布を提供すること。【解決手段】単糸繊度が0.05～0.5ｄｔｅｘの極細繊維を50～100重量％含み、目付が3～50g/m2のエアレイド法による不織布を少なくとも１層含む、水分拡散性に優れウエットバックが少ない単層または多層である、極細繊維不織布。【選択図】なし
