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Union Paint Co., Ltd.

Japanese coatings manufacturer and Union Group holding company focused on wood, leather and building-material paints and total manufacturing solutions.

Last updated September 27, 2026

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Overview

Union Paint Co., Ltd. (ユニオンペイント株式会社) is a Japanese coatings company headquartered at 2325-40 Ozaki in Noda, Chiba Prefecture, within the Nakazato Industrial Park. It operates as a holding company for the Union Group, handling management and financial affairs for the group's member companies while also centralizing their purchasing functions and conducting business globally. Alongside this holding-company role, Union Paint is a coatings manufacturer and supplier whose product range centers on wood coatings for furniture, interior fittings and building materials, as well as leather coatings developed through proprietary technical know-how. The company describes itself as having been reborn as a "total manufacturing solution" company, building on long-cultivated technical foundations. Its stated capabilities span the basic technologies of paint manufacturing, various mixing and dispersion techniques, and product development tailored to customer needs. It positions itself as the production arm responsible for supplying Union Paint Group products at consistent high quality, and it emphasizes efficient manufacturing — producing the required quality, at the required time, in the required quantity. Its corporate motto, expressed as "comfortable environments with the spirit of 'wood use' (木づかい)," frames its commitment to products that consider environment, safety and peace of mind. Union Paint's sales activities are concentrated in the eastern Japan and Hokkaido regions, where it sells general-purpose wood coatings and wood coatings for housing equipment, building materials and furniture. It also sells leather coatings. Beyond Japan, the company supplies wood coatings primarily for the building-materials sector. Through cooperation with TC Union, it offers integrated material-and-labor (材工一貫) products and related paint products, and it carries out coating operations using its own or customer-supplied paints in an integrated material-and-labor format. Product lines visible on the company's website include interior water-based paints, exterior water-based paints, leather paints, interior solvent-based paints and exterior solvent-based paints, along with F☆☆☆☆ (low-formaldehyde) offerings. Recent new-product announcements include the EG-PRO series, the antiviral coating UAV-24000 urethane flat, the Aqua Next series, and Utility Coat. The company also maintains environmental and quality initiatives, including CO2 reduction efforts and ISO certification, and publishes a business continuity plan (BCP). Product inquiries are directed to W&L Union Co., Ltd.

History

Union Paint Co., Ltd. is a Japanese coatings business based in Noda, Chiba Prefecture, and part of the Union Group. Public information about the company is centered on its own corporate communications, which describe it as having been reborn as a "total manufacturing solution" company built on technologies cultivated over many years. In this framing, the modern Union Paint combines the basic technologies of paint manufacturing with mixing and dispersion capabilities and customer-oriented product development, while also serving as the production company responsible for Union Paint Group products. The company operates with a dual character. On one side it acts as a holding company for the Union Group, taking charge of management and financial operations for the group's companies and centralizing their purchasing functions, with business conducted globally. On the other side it is an operating coatings business: it sells general-purpose wood coatings and wood coatings for housing equipment, building materials and furniture, mainly in the eastern Japan and Hokkaido regions, and it sells leather coatings developed through its own technical know-how. It also supplies wood coatings overseas, primarily for the building-materials field. A notable element of the company's activity is its cooperation with TC Union, through which it provides material-and-labor integrated (材工一貫) products and related paint products, and performs coating work using its own paints or customer-supplied paints. This extends Union Paint's role from coatings supply toward integrated coating solutions. The company's product portfolio, as presented on its website, spans interior and exterior water-based paints, leather paints, interior and exterior solvent-based paints, and F☆☆☆☆ low-formaldehyde products. Its news releases record a series of new-product introductions in the early 2020s: Utility Coat (February 2021), the Aqua Next series (June 2021), the antiviral coating UAV-24000 urethane flat (August 2021), and the EG-PRO series (June 2023). The company also publishes environmental and quality initiatives covering CO2 reduction and ISO certification, and a business continuity plan (BCP). Union Paint's stated motto — "comfortable environments with the spirit of 'wood use'" — reflects its focus on wood-related coatings and on products that consider environment, safety and peace of mind. Its leadership communicates a commitment to efficient manufacturing: producing the required quality, at the required time, in the required quantity. Product inquiries are handled by W&L Union Co., Ltd.

  • New product Utility Coat launched.

  • New product Aqua Next series launched.

  • New product antiviral coating UAV-24000 urethane flat launched.

  • New product EG-PRO series launched.

  • Summer holiday notice published.

Products and positioning

A Union Group holding company and coatings manufacturer positioned as a "total manufacturing solution" provider, emphasizing wood-use values, environment, safety and reliable high-quality supply.

  • Interior water-based paints

  • Exterior water-based paints

  • Leather paints

  • Interior solvent-based paints

  • Exterior solvent-based paints

  • F☆☆☆☆ low-formaldehyde products

  • EG-PRO series

  • Aqua Next series

  • Utility Coat

  • UAV-24000 urethane flat antiviral coating

Sources5 sources

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