Plastic Recycling Labels
Reference data and engineering information about plastic recycling labels for material properties applications.
plasticrecyclinglabels
Overview
Engineering reference data for Plastic Recycling Labels in material science and properties.
Key Formulas
Stress
Force per unit area.
Strain
Change in length per original length.
Hooke's Law
Stress proportional to strain in elastic region.
Thermal Expansion
Length change due to temperature.
Variables
| Symbol | Description | Unit |
|---|---|---|
| Stress | Pa | |
| Strain | — | |
| Young's modulus | Pa | |
| Thermal expansion coefficient | 1/°C | |
| Temperature change | °C |
Plastic Recycling Codes Reference
The following table provides a quick-reference guide to the seven standard plastic resin identification codes, their common names, and typical product applications.
7 rows
Code | Name | Common Uses |
|---|---|---|
| 1 | PETE / PET | Soda bottles, water bottles, food containers |
| 2 | HDPE | Milk jugs, detergent bottles, plastic bags, oil bottles |
| 3 | PVC / V | Cling wrap, squeeze bottles, blister packaging |
| 4 | LDPE | Grocery bags, shrink wrap, garment bags |
| 5 | PP | Yogurt containers, bottle tops, straws, syrup bottles |
| 6 | PS | Styrofoam trays, disposable cups, egg cartons, cutlery |
| 7 | Other | Layered/mixed plastics, polycarbonate bottles, sippy cups |
Source: engineeringtoolbox.com