SOMAR Corporation operates in materials, environmental and food materials, and other businesses in Japan and internationally. It offers films for production processes, SMD/sealing materials for PCBs, high functional films, outer protection and moisture-proof materials, and high light-shading/non-light reflection films for optical instruments. It also provides insulation materials for motors, sealing materials for electronic control devices, ink-jet and large copy machine printing films, slime control agents, preservatives, water retention aids, thickeners, stabilizers, and dehydrated vegetables. Additionally, it offers adhesive/weak adhesive, UV releasing, and thermal-expansion releasing films, rigid materials, resins for electronic parts and motors/electronic components, black and black non-reflection films, ink jet films, PPC films, nonwoven fabric clothes, and water retention and cleaning agents. Formerly known as Marusho Industrial Co., Ltd., it changed its name to SOMAR Corporation in 1984. The company was incorporated in 1948 and is headquartered in Tokyo, Japan.