Denka (デンカ株式会社, formerly known as Denki Kagaku Kogyo Kabushiki Kaisha) is a company that manufactures chemicals, additives, polymers, and electronic component materials. It operates through four divisions: electronics and innovative products, life innovation, elastomers and infrastructure solutions, and polymer solutions. The electronics and innovative products segment manufactures ceramics, substrates, adhesives, and related materials. The life innovation segment develops vaccines and test reagents. The elastomers and infrastructure solutions segment provides functional elastomers, cement, and special admixtures for infrastructure toughening, along with corrugated pipes and fertilizers for agriculture. The polymer solutions segment offers styrene-based performance plastics, acetyl chemicals, food packaging sheets, and synthetic fibers.