Two federal agencies, the Drug Enforcement Administration and the Food and Drug Administration, determine which substances are added to or removed from the various schedules, although the statute passed by Congress created the initial listing.
Polycarbonate is a versatile, tough plastic used for a variety of applications, from bulletproof windows to compact disks (CDs). The main advantage of this material over other types of plastic is its great strength combined with light weight. While acrylic is 17% stronger than glass, polycarbonate is nearly unbreakable.
PETG Tubing-The Clear Alternative to Polycarbonate Tubes. Polycarbonate is branded under the familiar name of Lexan and is often extruded into tubes, rods and other profiles. While polycarbonate tubes are used in a wide variety of applications, there is another option that is often overlooked: PETG Tubes.PETG, like polycarbonate, is a thermoplastic or polymer that turns to liquid when heated and hardens to a very glassy state when cooled.PETG (polyethylene terephthalate glycol) shares many characteristics with polycarbonate. Both are highly impact resistant, possess excellent clarity.hile polycarbonate tubes are used in a wide variety of applications, there is another option that is often overlooked: PETG Tubes. PETG, like polycarbonate, is a thermoplastic or polymer that turns to liquid when heated and hardens to a very glassy state when cooled.