In fact, Styrofoam is the trade name for polystyrene.
It is largely used in dentistry and slight surgical operations to produce local anaesthesia, and is known by the trade-name kelene.
The name is also applied to the dye, but the common trade name is Suranji.
In the absence of a common name, use the full name or a defined abbreviation, in preference to a trade name.
It is obligatory that the trade name has to incorporate the phrasing; " Limited.