Evonik obtains certification for VISIOMER Terra biobased methacrylates
In Germany, Evonik reported that the bio-content of VISIOMER Terra methacrylate monomers is now certified by DIN CERTCO―the certification body of TÜV Rheinland Group―and will include the label “Certified Biobased Product.” DIN CERTCO certifies products using the C14 radiocarbon method and ASTM D 6866:2021 protocol instead of merely calculating the bio-content. The firm noted that […]









