Updated terms and conditions on sale
We have updated our terms and conditions on sale. Please find the updated document on the About Us page.
William Blythe Showcases Flamtard Product Range at Vinyltec 2025

Last month we proudly presented at Vinyltec US, the premier technical conference for vinyl professionals, held in New Orleans. The event brought together global experts to discuss advancements in PVC technology, sustainability, and performance enhancement. Key themes included flame retardancy, material innovation, and regulatory compliance, Cameron Day, Business Manager – Americas, introduced our latest research […]
William Blythe Sponsors Accrington 10K

We’re delighted to be sponsoring this years Accrington 10K. Organised by Accrington Road Runners, this is a hugely popular 10K with a variety of rural and urban roads designed for all levels and ages. Interested in competing against some of William Blythe’s top runners
Patent Granted for LLZO Solid-State Battery Material Production Process
The UK Intellectual Property Office has recently granted a patent from William Blythe Limited in the area of solid-state battery technology. The patent, titled “Doped lithium lanthanum zirconium oxide”, relates to a manufacturing method of doped-lithium lanthanum zirconium oxide (LLZO), one of the promising inorganic solid-electrolyte materials under development for next-generation solid-state battery technology. William […]
William Blythe Announce the Launch of New Product: Flamtard X101

We are pleased to announce a the launch of Flamtard X101, a low-cost replacement for antimony trioxide (ATO) as a flame retardant additive in PVC polymer compounds. William Blythe has pioneered the development and commercialisation of the non-hazardous, flame retardant synergist zinc stannate technology since the 1990’s under the brand name, Flamtard. Many polymer formulators […]
William Blythe Acquired by Board and H2 Equity Partners
We are delighted to announce that the William Blythe board has led a management buyout (MBO) with H2 Equity Partners to purchase the company from Synthomer PLC. The existing leadership team of Kevin Hudson (Sales & Marketing Director), Mike Butler (Technical Director) and myself will continue to the run the business. The support and investment […]