Although many other recycled plastics typically lose performance after undergoing successive melt histories, the upcycled valox iq resins have comparable or better performance than conventionally manufactured materials, including excellent resistance to impact, chemicals, and stress fatigue. "upcycling costs more and is harder to do technically," kenneth miller, sustainability general manager for technology and innovation at sabic innovative plastics, told us, at the npe2012 show in orlando, fla.