What material is good for household food cling film? Which one is safer, PP or PE?
Household food cling film is an essential item for preserving and protecting food. However, with the various types of materials available, it can be confusing to know which is the best and safest option for household use. Two common materials used in the production of cling film are PP (Polypropylene) and PE (Polyethylene). In this article, we will explore the differences between these two materials and determine which one is safer for household food cling film.
1. Understanding Polypropylene (PP) and Polyethylene (PE)
Polypropylene (PP) and Polyethylene (PE) are both types of thermoplastic polymers that are lightweight, strong, and resistant to moisture. PP is known for its high melting point and durability, making it suitable for a variety of applications including food packaging. On the other hand, PE is a flexible and versatile material that is commonly used in the production of plastic bags, bottles, and cling film.
2. Properties of PP and PE
When it comes to household food cling film, the properties of PP and PE play a significant role in determining their suitability and safety. PP cling film is known for its excellent heat resistance, transparency, and stiffness, making it ideal for wrapping hot or oily foods. On the other hand, PE cling film is more flexible and has good cling properties, making it easier to wrap and seal food items.
3. Safety of PP and PE
In terms of safety, both PP and PE are considered to be food-safe materials that are approved for direct contact with food. However, when it comes to household food cling film, the safety of the material goes beyond its direct contact with food. It also includes factors such as chemical leaching, heat stability, and environmental impact. PP cling film is known for its heat stability and resistance to chemical leaching, making it a safer option for wrapping and storing food.
4. Environmental Impact
Another important aspect to consider when choosing household food cling film is its environmental impact. PP cling film is known for its recyclability and can be easily repurposed into new products. On the other hand, PE cling film is less recyclable and can contribute to plastic pollution when not disposed of properly. Therefore, from an environmental perspective, PP cling film is considered to be a more sustainable option for household use.
5. Practicality and Performance
In addition to safety and environmental impact, the practicality and performance of household food cling film also play a crucial role in determining the best material. PP cling film is known for its excellent heat resistance and stiffness, making it suitable for a wide range of food items. On the other hand, PE cling film is more flexible and easier to handle, making it ideal for everyday use in the kitchen.
6. Conclusion
In conclusion, both PP and PE are safe materials for household food cling film, but PP has the edge when it comes to safety, environmental impact, and practicality. Its heat resistance, durability, and recyclability make it a better choice for wrapping and storing food at home. Therefore, when choosing household food cling film, it is recommended to opt for PP cling film for safer and more sustainable food preservation.