... annual 3. Common grade EPS (Expandable polystyrene, foamable polystrene, styrofoam)Spec:Grade Bead size Expandable rangeE-201 1.4-2.3 ... E-501 0.3-0.5 15-30Characteristic : High expandable times, good preserving character, good binding and very ... machine to produce material for packaging electric appliances, plate, handicraft articles and box-like or case-like containers. EPS (expandable polystyrene, ...