Mitsui Chemicals Partners with Polyplastics to Strengthen Engineering Plastics Marketing

Mitsui-Polyplastics Marketing Partnership Announcement

Mitsui Chemicals announced that it has entered into a partnership with Polyplastics regarding how they will handle the marketing of certain engineering plastic products. Moreover, Polyplastics is a company based in Tokyo and is fully owned by Daicel Corporation. Both companies have agreed to work together through a contract that focuses specifically on marketing activities. Also, the partnership is mainly about two types of engineering plastic products developed and sold by Mitsui Chemicals. These products are known under the brand names ARLEN® and AURUM®.

Moreover, through this agreement, the companies will cooperate in marketing operations for these products. The goal of the contract is to manage and promote these engineering plastics more effectively by combining their strengths.  Also, Polyplastics, being a group company of Daicel, will take part in these marketing-related activities together with Mitsui Chemicals. This shows that both companies are planning to align their efforts to handle the business of these products in a more coordinated way. 

According to Towards Chem&Materials, the high-performance plastic compounds market size accounted for USD 8.95 billion in 2025 and is predicted to increase from USD 42 billion in 2026 to approximately USD 90.84 billion by 2035, expanding at a CAGR of 8.95% from 2026 to 2035, due to the greater need for durable plastics. 

Also, the announcement highlights a formal agreement between Mitsui Chemicals and Polyplastics to collaborate on marketing operations. The focus remains clearly on the engineering plastic products ARLEN® and AURUM®, and how both companies will work together under this contract.