Is PC Plastic Safe?
Feb 02, 2026| 1. Overview of PC plastic
First, let's find out what polycarbonate plastic is. The scientific name of PC plastic is Polycarbonate. This line of industrial plastic is quite flexible, has no fixed shape, and exists in a transparent state. Besides, Polycarbonate plastic has no odor or color. In particular, PC plastic belongs to the industrial plastic group number 7.
The ASTM International Standards Organization has classified PC plastic in the industrial plastic group number 7 because this is the only type of plastic that does not have a complete identification code. Therefore, if you see plastic products such as food boxes and bottles without symbols or the number 7, these products are made from PC plastic and contain BPA.
Meanwhile, Polycarbonate is known as a synthetic plastic formed through tight bonds of carbonate groups. This is also the compound used to coat the surface of household objects. PC plastic is easy to manipulate into many different shapes because of its flexibility, stability, and poor heat resistance.
2. What is PC plastic material?
The main components that make up PC plastic No. 7 include:
Bisphenol A - BPA: This chemical compound is produced from Phenol and Acetone, with the chemical formula C15H16O2.
Carbonate: A chemical substance with the formula CO₃²⁻ , which is the main component of the Polycarbonate Polymer structure.
After going through the preparation process in the laboratory, the two compounds above will combine to form long polycarbonate chains. This chain then continues to develop direct connections with esters to include PCs.
Typically, PC plastic will be more complicated than other household plastics because of the properties of BPA.
3. Characteristics and properties of polycarbonate plastic
The characteristics of PC plastic are similar to Polymethyl Methacrylate plastic with the symbol PMMA - this is a commonly used plastic line in the form of pieces or plates, and can replace glass or glass very well due to its high durability. However, PC plastics are still better because they can withstand high loads and have higher durability, even when directly exposed to harsh environments or high temperatures.
Furthermore, PC plastic's outstanding characteristics are demonstrated by its ability to transmit light better than other types of glass on the market. Although Polycarbonate plastic is highly durable, scratch resistance upon impact is the core weakness of this material.
In addition, PC plastic also possesses many outstanding characteristics and properties that help it be fully utilized in the production of daily consumer products, serving customers' lives, for example:
If you compare gas and vapor resistance, PC plastic is better than common industrial plastics such as PVC and PE. However, they are lower than PET and PP plastics.
Besides, the mechanical durability and hardness of PC plastic are pretty high. This factor is combined with stable wear resistance. Because of this, Polycarbonate plastic is not affected by food ingredients.
This is the reason why PC plastic is also used to produce everyday consumer products such as cups, glasses, or plastic bottles.
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