PA and PP have their advantages and disadvantages, and which one is better depends on what you need.
The main component of PA is polyamide. PA can withstand high temperatures of 130°C. It does not contain bisphenol A, has a certain antibacterial property, and has both the safety of glass and the drop resistance of PP, allowing a variety of disinfection methods. The disadvantage is the higher price point.
The main component of PP is polypropylene. PP is recognized in the world as a safe material for making food containers. It does not contain carcinogen bisphenol A, is non-toxic, harmless to the human body, cheap, and lightweight, and easy to clean. However, PP has a short service life, a short long-term high temperature resistance time, is not very transparent, and has a slight whitish feeling.
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