There is a tendency to utilize underground space for the less ornamental purposes of civilization; there is the Metropolitan Railway in London, for instance, there are new electric railways, there are subways, there are underground workrooms and restaurants, and they increase and multiply.
Polystyrene can be naturally transparent, but can be colored with colorants. Uses include protective packaging (such as packing peanuts and CD and DVD cases), containers (such as clamshells), lids, bottles, trays, tumblers, and disposable cutlery.
Your #1 leader in direct foam distribution - selling custom shaped foam, packaging foam, memory foam, bedding foam and other foam products. overages and. Descriptions of Foam Types, Qualities and Common Uses. Description: Used for fill, packing, shipping, mattress topper, dog beds, costumes. Thick pieces will develop sink areas after a short time. Polyurethane foam is our lowest quality of foam, and will often not return to its original form. If ignited, this product will burn and consume oxygen. This product may produce irritating and toxic by-products during combustion.