Plastic Properties
| Resin | Polyethylene Terephthalate (PET) |
Low Density Polyethylene (LDPE) |
High
Density Polyethylene (HDPE) |
Polypropylene (PP) |
Polystyrene (PS) |
Polyvinyl Chloride (PVC) |
|---|---|---|---|---|---|---|
| Material Code System Symbols |  |
 |
 |
 |
 |
 |
| Clarity | Clear | Translucent | Translucent | Translucent | Clear | Clear |
| Moisture Barrier | Fair to Good | Good | Good to Excellent | Good to Excellent | Poor to Fair | Fair |
| Oxygen Barrier | Good | Poor | Poor | Poor | Fair | Good |
| Maximum Commercial Use Temp | 120F | 120F | 145F | 165F | 150F | 140F |
| Rigidity (Stiffness) | Moderate to High | Low | Moderate | Moderate to High | Moderate to High | Moderate to High |
| Resistance to Impact | Good to Excellent | Excellent | Good to Excellent | Poor to Good | Poor to Good | Fair to Good |
| Resistance to Heat | Poor to Fair | Fair | Good | Good | Fair | Poor to Fair |
| Resistance to Cold | Good | Excellent | Excellent | Poor to Fair | Poor | Fair |
| Resistance to Sunlight | Good | Fair | Fair | Fair | Fair to Poor | Poor to Good |