A socket for electrical parts is provided with a latch operative mechanism that opens and closes latches 3, synchronized with an operation of a socket cover 2. The liquid crystal display device according to the present invention has an LCD panel, having data lines, and source drivers for supplying data signal to the data lines. The silane-terminated polythioether component and catalyst are isolated from moisture to prevent curing. The collet has a bottom and a plurality of jutting plates. According to the present invention, an electromagnetic wave shielding material, which is used for an electromagnetic wave shielding gasket for shielding electromagnetic wave, exhibits good workability if the thickness of the product is relatively thin, suppresses the metal separation and reduces the amount of cutting debris generated at the time of cutting, is obtained.