... 3.foam EPS 4.low density Expandable polystyrene(EPS,styrofoam, foam plastic)Spec:Grade Bead size Expandable rangeE-201 ... 0.3-0.5 15-30Characteristic : High expandable times, good preserving character, good binding and ... very smooth.Application : Ordinary Grade EPS is used in traditional processing machine and ... like or case-like containers. Expandable polystyrene(EPS,styrofoam, foam plastic)