Underneath bottles, containers, or many plastic items, there is always a triangular symbol formed by three arrows with a number inside (ranging from 1 to 7). This is not just a recycling symbol as many people often think; in fact, it indicates the specific type of plastic, its properties, and characteristics. This information helps users understand how to use and even dispose of these materials correctly.
The infographic below highlights the 7 symbols corresponding to the 7 common types of plastic, including PE, PVC, PET, PS, and more.
The content is structured with a general introduction to each type of plastic, followed by characteristics and comparisons between them based on criteria such as melting point, hardness, transparency, and scratch resistance.
When using plastic bottles or containers, the characteristics and capabilities of each type of plastic are crucial.
Common types of plastic include: PE, PVC, PS, HDPE…
Each type of plastic is used for different purposes.
Each type of plastic has varying levels of heat resistance, impact resistance, and hardness.
The number within the triangular symbol indicates the type of plastic.
