Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene erage Mw ~118,000 by GPC, contains >0.03% antioxidant as inhibitor 66070-58-4 $203.10 View
Acryloxy Terminated Ethyleneoxide Dimethylsiloxane-Ethyleneoxide Aba Block Copolymer viscosity 80-120 cSt(25 ˚C) 117440-21-8 $661.14 View