Home Blog Is it safe to drink water from a glass bottle?

Is it safe to drink water from a glass bottle?

5:46 pm | Blog


What is the cause of “lead poisoning” by drinking water from a glass? Is it safe to drink water from a glass bottle, what materials are there, and how to choose better? Read this article written by Nowest (a professional water bottle manufacturer) patiently and you will gain a lot!


1. Is it safe to drink water from a glass bottle?

2. Classification of glass

1) Ordinary glass

2) High borosilicate glass

3) Crystal glass

3. Summarize

Water bottles are an indispensable item in our daily life. We drink water from water bottles almost every day, and a good-looking, safe and healthy water bottle is very important to our body. This article mainly talks about glass water bottles.

1. Is it safe to drink water from a glass bottle?


Reusable Eco Friendly Colorful Frosted Glass Water Bottle with Custom Logo


The glass surface is smooth and easy to clean, and bacteria and dirt are not easy to breed on the wall of the cup, and the most commonly used high borosilicate glass water bottle does not contain organic chemicals during the firing process, and the glass bottle is used to make drinks such as tea or coffee. When drinking water, you don’t have to worry about drinking chemicals into the human body, so drinking water from a glass bottle is relatively healthy and safe.


2. Classification of glass 

Glasses are mainly divided into ordinary glass, high borosilicate glass, and crystal glass according to the material.

1) ordinary glass cup

ordinary glass cup


Also called soda-lime glass, the main components are silicon dioxide, sodium oxide, and calcium oxide, the most common glass cup in life, although it can hold hot water, its thermal conductivity is poor, and it is easy to burst under extreme cold and heat. So usually we must have experienced or heard of a glass burst. When using this type of glass to hold hot water, you can pour a little rinsing into the cup to preheat, and there is no problem in daily use.


2) High borosilicate glass bottle

BPA free Large capacity Plated cover sports water tritan bottle space water bottles


High borosilicate glass is a kind of glass with sodium oxide (Na2O), boron oxide (B2O3), and silicon dioxide (SIO2) as the basic components. The content of borosilicate in the glass composition is relatively high, respectively: boron: 12.5~13.5%, silicon: 78~80%, so this kind of glass is called high borosilicate glass. High borosilicate glass is safe and stable, has no toxic side effects, and has a very low thermal expansion coefficient, only about one-third of ordinary glass, so it can withstand sudden temperature differences, such as pouring hot water from a cup from the refrigerator, and it will not break under normal circumstances. It is a good glass water cup material commonly used in life.


3) Crystal glass (with lead and lead-free)

crystal glass

Lead glass, also known as imitation crystal glass, is harmful to the human body. Please do not buy it!

How to tell if it is lead-free? Judging by the following points:

Sound: The impact sound is as pleasant as metal impact, and can be heard in quieter environments. The leaded sound is dull.

Gloss: The ability of lead-free to refract light is stronger than that of lead, so the color is brighter.

Weight: Leaded crystal glasses are heavier than unleaded ones for the same volume.

Buy Big Brand Lead-Free Glasses! Buying lead products can be avoided to the greatest extent possible. After all, establishing a brand does not happen overnight, and no brand is willing to trade its brand reputation for that short-term benefit.


The glass bottle is not poisonous. Of all the bottles, the glass material is the healthiest. The glass bottle does not contain organic chemicals during the firing process. When people drink water or other beverages from a glass bottle, they do not have to worry about the chemicals being ingested into their stomachs, and the glass surface is smooth and easy to clean. Dirt is not easy to breed on the wall of the glass, so it is the healthiest and safest for people to drink water from a glass. But avoid leaded crystal glasses.