Sekisui Chemical Co., Ltd. engages in the residential and social infrastructure creation and chemical solution business in Japan and internationally. It operates through four segments: Housing, Urban Infrastructure & Environmental Products, High Performance Plastics, and Medical. The company offers LCD fine particles, photosensitive materials, semiconductor materials, optical film, and industrial tapes; interlayer films for laminated glass, polyolefin foams, resins for vehicle use, rubber molded products, industrial tapes, heat release materials, carbon fiber reinforced plastic composite mold materials, decorative plastic sheets, and polyvinyl alcohol resin; and blow containers, materials for construction, polyolefin foams, adhesives, packaging tapes, plastic containers, functional tatami, and hygiene materials. It also provides pipe systems, including polyvinyl chloride pipes, fittings, polyethylene pipes, fittings, plastic valves, reinforced plastic composite pipe, resin raw materials for heat-resistant pipes, chlorinated PVC resin compound, and rainwater storage systems; building materials, nursing-care equipment, unit baths, synthetic lumber, vibration absorbing and soundproofing material, non-flammable polyurethanes, and fire-resistant materials; and repair, rehabilitation, and renovation methods for aging infrastructure, as well as tank system products. In addition, the company is involved real estate brokerage, apartment leasing, and management business; residential services comprising interior and exterior decoration; housing renovation; steel frame modular and wooden frame modular housing, and building lots; and ready built apartment development business. Further, it offers active pharmaceutical ingredients and pharmaceutical intermediates, drug development solutions, and enzymes materials. The company was formerly known as Sekisui Sangyo Co., Ltd. and changed its name to Sekisui Chemical Co., Ltd. in 1948. Sekisui Chemical Co., Ltd. was incorporated in 1947 and is headquartered in Osaka, Japan.