Used. Not Specified. Item Location. 1,106 results for styrofoam beads. Save this search. Shipping to: Finland. Foam Beads for Slime, Styrofoam Foam Balls, 14 Pack(0.018~0.32 inch) Multi Color.Polystyrene for Soft Furnishings. The company has for many years also produced fire retardant polystyrene beads for soft furnishing and if you have ever bought a bean bag full of polystyrene beads or a top-up bag of beads, there is a very good chance that they are Polypearl beads. MORE INFO.
The density of a memory foam doesn't tell you that much about a particular memory foam. All it can tell you for sure is the weight of a cube of that foam that is one foot in each dimension. So a 4 lb memory foam is one in which a one foot cube of this foam will weigh 4 lbs, a 5 lb memory foam's cube weighs 5 lbs, etc.