Random Copolymer, Txhaj Tshuaj Qib MT60 yog cov xim ntuj uas muaj pob tshab, tiv taus cua sov zoo, thiab ua tau rau kev txhaj tshuaj. Nws siv cov txheej txheem Spheriopol thiab Spherizone siab heev ntawm Lyondellbasell, tag nrho ob pawg khoom siv, ncav cuag 600,000 metric tons ib xyoos.