Mylar Specialty Films

Mylar Specialty Films is a producer of differentiated polyester films, describing itself as the world's premier producer of such films. The company's product portfolio is built around four film brands: Mylar, Melinex, Hongji PET and Kaladex PEN. These films serve a wide range of end markets, including labels and digital print, cards, electrical insulation, flexible electronics, healthcare, PET and PEN polymers, packaging, and photovoltaics. The business operates manufacturing sites in Asia, Europe and the United States, positioning itself as a global partner with regional focus and local commercial and technical teams. The company traces its origins to the early development of polyester film by ICI and DuPont in the 1950s, and more recently operated as DuPont Teijin Films before being rebranded as Mylar Specialty Films. Its history includes the invention of biaxially oriented PET films in 1952 and a track record of innovation addressing challenges such as the circular economy, electrification of vehicles and the shift to renewable energy. The company emphasizes long-standing customer relationships and joint achievements, including the development of the first all-PET backsheets and the move to top-seal lidding in packaging. Mylar Specialty Films operates manufacturing sites in Europe and the US, and has a partnership in China with Mylar Hongji Specialty Films. Its products are trusted for consistent quality and reliability, and the company invests in its people and production assets to enable future innovations. The company holds certifications including BRCGS Global Standard for Packaging and Packaging Materials, ISO 9001, ISO 14001 and ISO 50001 at various sites. It is a private company, and its ownership structure is not detailed in the available evidence.

The origins of the polyester film industry can be traced through the history of Mylar Specialty Films, from its initial development by ICI and DuPont in the 1950s through to its more recent history as DuPont Teijin Films. The company has a track record of innovation from the initial invention of biaxially oriented PET films in 1952 through to cutting-edge developments addressing urgent global challenges such as enabling the circular economy, the electrification of vehicles and the move to renewable energy. The company aims to be the go-to development partner for its customers and wider value chains, investing in its people and production assets to enable future innovations, and states it has the most diverse and flexible production assets of any polyester film producer. Over eight decades of innovation, the company has built long-standing customer relationships spanning decades, with joint achievements such as the development of the first all-PET backsheets and the move to top-seal lidding in the packaging market. These partnerships are underpinned by trust in how the company conducts business and in the consistent quality and reliability of its Mylar, Melinex and Kaladex products. With manufacturing sites in Europe and the US, as well as a partnership in China with Mylar Hongji Specialty Films, the company offers global reach with dedicated commercial and technical teams providing local service in the regions it serves. More recently, the business has been rebranded as Mylar Specialty Films, marking a new chapter while continuing the legacy of polyester film innovation. The company operates manufacturing sites in Asia, Europe and the US, and its products enable applications in electronics, healthcare and photovoltaics, among others. It holds certifications including BRCGS Global Standard for Packaging and Packaging Materials, ISO 9001, ISO 14001 and ISO 50001 at its Dumfries (UK), Hopewell (USA) and Spruance (USA) sites.

• Initial development of polyester film by ICI and DuPont

• Invention of biaxially oriented PET films

• Operation as DuPont Teijin Films

• Rebranding as Mylar Specialty Films

• 70 years of Mylar® polyester films

The world's premier producer of differentiated polyester films, trusted for scientific and manufacturing excellence, quality and reliability.

• Mylar® polyester films

  Differentiated polyester films for diverse applications.

• Melinex® polyester films

  Polyester films known for quality and reliability.

• Hongji® PET films

  PET films produced through partnership in China.

• Kaladex® PEN films

  PEN films for high-performance applications.

1. 1Mylar Specialty Filmsmylar.com
2. 2The History of Polyester Film - Mylar Specialty Filmsmylar.com
3. 3Company brochures and certificatesmylar.com
4. 4Mylar Specialty Filmswikidata.org