The SRA331-0050N from E-SONG EMC is a microwave absorber that suppresses interference between circuits in electronic devices or controls the dielectric coupling between adjacent components to minimize noise that causes malfunction to electronic devices. It has an effective frequency of 10 MHz to 6 GHz and a permeability of 210. This absorber has a specific gravity of 3.8 g/cm3, a surface resistance of more than 1 x 10^6 ohm, and a hardness of 90. It has a standard size of 210 x 300 mm and a thickness of 30? - 500?. This RoHS-compliant, halogen-free absorber flexible EMI absorbing sheet is manufactured in a thin form by dispersing metal magnetic powder in the resin.