Founded in 1955, we focus on the manufacturing and sales of high-performance polymer raw materials as a manufacturer of aromatic diamines.
Our company has received high recognition both domestically and internationally in the field of raw materials for high-performance polymers as a manufacturer of aromatic diamines. To meet the increasingly sophisticated needs of our customers, our group companies have already obtained ISO 9002 certification, and the Kozaka factory has acquired ISO 14001 certification, with other factories gradually following suit. We are committed to establishing a quality assurance system that ensures our customers' peace of mind and trust, while also engaging in environmentally conscious corporate activities. Moving forward, we aim to continue improving productivity and considering the environment, while also focusing more on research and development, and actively challenging ourselves in new products and new fields. 【Business Activities】 ■ Manufacturing and sales of high-performance polymer raw materials, urethane curing agents, various intermediates, and industrial chemicals, as well as procurement of related raw materials. *For more details, please refer to the PDF document or feel free to contact us.
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【Main Products】 ■ Functional Polymer Materials ・DPE/ODA ・BAPP ・BAPS ・TPE-R ■ Hardener ・SEIKACURE-S ・BisAmine A/S *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Seika has made aromatic diamines, which are essential raw materials for products such as heat-resistant polyimide resins, its main product. We have earned great trust from customers both domestically and internationally, who say, "For aromatic diamines, choose Seika." Since our founding, we have upheld the corporate philosophy of "Quality First, Cost Reduction, and Research Efforts," striving to provide better products at lower prices in a stable manner while honing our technology. Moving forward, we will further promote safe operations as a fundamental principle, taking into account the SDGs and being mindful of society and the environment. We will not only ensure the stable supply of high-quality products but also accurately capture customer needs and continue our corporate activities with a sense of mission to support customers in the development of new materials and new products.