Emissions data collected following spray polyurethane foam application has been used to estimate the time required for workers to safely re-enter and work without respiratory protection.
The determination of trade worker re-entry time following the application of spray polyurethane foam (SPF) in residential and commercial buildings has traditionally been estimated by SPF manufacturers.
Novomer Inc. recently announced that Jowat AG is reportedly the first to commercially adopt Novomer’s new polypropylene carbonate polyols for use in polyurethane hot-melt adhesive applications.
Traditional polyurethane reactive hot-melt (RHM) adhesives make use of blends of polyester, polyether and, in rare cases, conventional petroleum-based polycarbonate polyols.