But the foam sprayed from the United Airlines hangar is the newer, PFAS-free kind and nontoxic, according to the airport and officials. “The good news is this is the newer foam that is PFAS-free ...
Foams and foam materials are made from low density elastomers ... and Molded Urethane Foams ASTM D6826 - Standard Specification for Sprayed Slurries, Foams and Indigenous Materials Used As Alternative ...
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