Patent ID: 7498281

Claim:
A nonwoven fabric comprising a thermoplastic synthetic fiber nonwoven fabric having a fabric weight of 7 to 50 g/m 2 , an average fiber diameter of 7 to 40 μm, a partial heat contact bonding ratio of 5 to 30% and a content of a delustering agent of 0.5% by weight or less, wherein the nonwoven fabric is a laminate of a thermoplastic synthetic fiber spun-bonded nonwoven fabric having an average fiber diameter of 7 to 15 μm and a thermoplastic synthetic fiber spun-bonded nonwoven fabric having an average fiber diameter of 15 to 40 μm, wherein the nonwoven fabric has a variation ratio of a fabric weight, 10 cm×10 cm, of 10% or less and wherein the nonwoven fabric has a maximum opening diameter of 200 to 2,000 μm, and shows a transparency of 50% or more, a powder leakage ratio of 10% by weight or less and a hydrophilicity of less than 10 sec.