What is the density of polystyrene?
0.96–1.05 g/cm3
Polystyrene
| Names | |
|---|---|
| Chemical formula | (C8H8)n |
| Density | 0.96–1.05 g/cm3 |
| Melting point | ~ 240 °C (464 °F; 513 K) For Isotactic Polystyrene |
| Boiling point | 430 °C (806 °F; 703 K) and depolymerizes |
Can polystyrene be recycled?
Polystyrene is a type of plastic which is not commonly recycled. Expanded polystyrene should be placed in the waste bin. Polystyrene is also sometimes used for other food packaging like multi-pack yoghurts. Some local authorities accept it in recycling collections although it is unlikely to actually be recycled.
What are the characteristics of polystyrene?
Polystyrene Characteristics Unmodified polystyrene is clear, rigid, brittle and moderately strong. Its electrical properties are good, though it has relatively low heat resistance.
Is polystyrene harmful?
“Styrene, a component of polystyrene, is a known hazardous substance that medical evidence and the Food and Drug Administration suggests leaches from polystyrene containers into food and drink.” “Styrene is a suspected carcinogen and neurotoxin which potentially threatens human health.”
Is Expanded polystyrene toxic?
What is the difference between polystyrene and expanded polystyrene?
The main difference between these two materials lies in their density. Extruded polystyrene is much denser than expanded polystyrene (2.18 lbs. on average for XPS vs. 0.93 lbs.
Can you burn polystyrene?
Burning styrofoam, or polystyrene, is the least appropriate way to get rid of it for both people and the environment. Research has shown that when styrofoam is burnt it releases toxic chemicals and smoke that can damage the nervous system and lungs.
Is polystyrene environmentally friendly?
Despite what you may have heard, expanded polystyrene (EPS) is environmentally friendly. Made from 98% air, no toxic substances are used in the manufacture of EPS and it is 100% recyclable.
What are the disadvantages of polystyrene?
Disadvantages of Polystyrene include:
- Brittle, poor chemical resistance especially to organics.
- Susceptible to UV degradation.
- Flammable.