A non-woven fabric comprising fibers of which homopropylene is the main component, characterized in that the MFR of the fibers is 30g/10mins-65g/10mins, the mean single fiber fineness of the fibers is 0.5-3.5dtex, the mass per unit area of the non-woven fabric is 5g/m2-40g/m2, the thermocompression bonded area ratio of the non-woven fabric is 5-15%, and the heat seal strength of the non-woven fabric measured at a hot plate temperature of 136°C is at least 6N/25mm.本發明係一種不織布,其特徵在於:其係包含以均丙烯為主成分之纖維之不織布,且該纖維之MFR為30g/10分鐘以上且65g/10分鐘以下,該纖維之平均單紗纖度為0.5dtex以上且3.5dtex以下,該不織布之單位面積重量為5g/m2以上且40g/m2以下,該不織布之熱壓接面積率為5%以上且15%以下,而且於熱板溫度136℃之條件下測定之該不織布之熱密封強度為6N/25mm以上。
