Sentinel Polyolefins: Blown foam plank

SenFlex™-H from Sentinel Polyolefins (Hyannis, MA) is a blown foam available in continuous rolls or planks. Made of Dow’s Index® Interpolymers, a copolymerization of ethylene and styrene, the foam is said to exhibit superior shock attenuation characteristics and compression set properties 2/3 less than physically blown PE foams.