Westlake Vinnolit secures ISO 14067 product carbon footprint certification for PVC portfolio
WLK•Westlake Vinnolit secured ISO 14067 certification for product carbon footprint calculations across its PVC portfolio, with external verification confirming alignment with the standard’s requirements.
1. Certification scope
The certification covers Standard, GreenVin and GreenVin bio-attributed grades. The calculations use the TfS guideline and Euro Chlor data for the chlor-alkali chain, and are intended to support customer Scope 3 reporting with more transparent, comparable and traceable emissions data for PVC and lye products.




