Textile chemistry

2022-02-10

Covestro receives ISCC Plus certification for its Leverkusen and Dormagen sites

Covestro has now received the internationally recognized ISCC Plus mass balance certification for its Leverkusen and Dormagen sites. Together with the Krefeld-Uerdingen site, which was already certified a year ago, the company can now supply its customers with large product volumes from renewably attributed raw materials from all three Lower Rhine sites in Germany.

Conversion of production to renewable attributed raw materials makes progress

These are selected polycarbonates, components for polyurethane (PU) rigid and flexible foams, PU coating and adhesive raw materials, thermoplastic polyurethanes (TPUs) and specialty films. They are characterized by equally good quality and properties as their fossil-based counterparts.

  • Lower Rhine plants offer certified mass-balanced products
  • Drop-in solution for customers with constant product quality

"I am very pleased that we can now offer our customers even more certified mass-balanced products and thus help them even better to achieve their sustainability goals and drive the transition to a circular economy," says Sucheta Govil, Chief Commercial Officer of Covestro. "In doing so, we are also supporting the use of alternative raw materials and reducing CO2 emissions along the value chains."

At its ISCC Plus certified site in Leverkusen, Covestro produces polyurethane coating and adhesive raw materials. © Covestro
At its ISCC Plus certified site in Leverkusen, Covestro produces polyurethane coating and adhesive raw materials. © Covestro


Dr. Klaus Schäfer, Chief Technology Officer at Covestro, adds, "The raw materials we use for these products meet the high sustainability requirements of the ISCC Plus standard all the way back through the supply chain. That's why we want to make greater use of alternative raw materials such as these renewably attributed precursors in our production. In addition to the three German sites, also our plants in Antwerp and Shanghai are already ISCC Plus certified, with more sites to follow."





In the mass balance approach, bio-based or recycled raw materials – in this case reprocessed residual materials – are fed in at an early stage of raw material extraction and mathematically attributed to the finished products. This saves fossil raw materials and reduces greenhouse gas emissions, while the quality of the mass-balanced products remains the same compared to purely fossil-based ones. Manufacturers can continue to use their proven formulations, equipment and processes.

Covestro also received the ISCC Plus certification for its Dormagen site, where polyurethane raw materials for foams, coatings and adhesives are manufactured, as well as thermoplastic polyurethanes (TPUs). © Covestro
Covestro also received the ISCC Plus certification for its Dormagen site, where polyurethane raw materials for foams, coatings and adhesives are manufactured, as well as thermoplastic polyurethanes (TPUs). © Covestro


ISCC ("International Sustainability and Carbon Certification") is an internationally recognized system for sustainability certification of biomass and bioenergy, among others. The standard covers all stages of the value chain and is widely used worldwide. ISCC Plus includes further certification options for technical-chemical applications, among others, including plastics from biomass.

Mass-balanced raw materials for the production of flexible polyurethane foam for mattresses will be supplied from Dormagen in the future, among other items. © Covestro
Mass-balanced raw materials for the production of flexible polyurethane foam for mattresses will be supplied from Dormagen in the future, among other items. © Covestro




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