Welcome. 1  Welcome to the Internet home of Park County School District 6. Together, the eight schools that comprise our district provide a safe, empowering learning environment for kindergarten through twelfth grade students in Cody, Wyoming.
Insulation. Styrofoam insulates much more effectively than plastic, which means your cold drinks stay colder longer and your hot drinks stay hotter. Plastic cups are not recommended for hot drinks, and they do not have the insulation properties of Styrofoam.
Polycarbonate vs Acrylic. Plastic is a polymer that has a large molecular mass. The monomers of plastic can be natural or synthetic. Plastic is synthesized from petrochemicals. There are two types of plastics, thermoplastics and thermosetting polymers. Thermoplastics becomes soft when heated and when cooled it solidifies again.