| http://www.w3.org/ns/prov#value | - This polyol mixture to be reacted with the isocyanate in the preparation of the polyurethane backing may additionally comprise flame retardants, fillers, blowing agents, surfactants, catalysts, colorants, antistatic agents, reinforcing fibers, antioxidants, preservatives, water scavengers, and other additives known to be useful in polyurethane chemistry.
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