"According to the results, when low melting polyester fiber increased to be 20%, the
electromagnetic shielding/ far infrared ray nonwoven obtained the optimum burst strength, maximum
breaking force and maximum tear strength, and they were as follows: burst strength was 4.2 kgf/cm2maximum breaking force was 153.59 N in the cross machine direction and 70.80 N in the machine
direction; maximum tear strength was 215.77 N in cross machine direction and 117.07 N in machine
direction; and optimum electromagnetic shielding effectiveness (EMSE) was 45 dB. "