Is it harmful to drink hot water stored in a glass bottle?

Apr 06, 2023 Source: Cainiu Health
Dr. Yang Shuwen
Introduction
Drinking hot water from plastic bottles may be harmful, and the specific risk depends on the quality of the bottle. Most plastic bottles are made of plastic material. In addition, if the bottle has deformed or changed color, it should not be used. When choosing a plastic water cup, always select those made from materials such as PP or HDPE.

Is it harmful to drink hot water from a plastic bottle? The specific situation depends on the quality of the bottle. Detailed analysis is as follows:

1. Harmful

Most plastic bottles are made of plastic materials. If used to hold hot water, the high temperature may cause low-quality plastic bottles to release harmful substances such as plasticizers. Long-term use by individuals may negatively affect health. Additionally, plastic bottles made of polyethylene terephthalate (PET) have poor heat resistance; using them for hot water may adversely affect the body's metabolism.

2. Not harmful

If the plastic bottle is made of high-quality PC (polycarbonate) material, it is non-toxic, safe, and heat-resistant. Holding hot water in such containers will not release harmful substances, and prolonged use will not harm the body. It is recommended that individuals use stainless steel or ceramic cups for drinking water, which are harmless to health.

In addition, if a plastic bottle becomes deformed or discolored, it should no longer be used. When selecting plastic drinking bottles, always choose those made of PP (polypropylene), HDPE (high-density polyethylene), or similar materials.

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