What is Borosilicate Glass?
Most people don’t realise is that not all glass is created equally. Borosilicate glass is a special kind of glass which incorporates two chemicals in high concentration: boron trioxide and silica. These safe and environmentally-friendly chemicals make borosilicate glass more heat resistant than other forms of glass on the market.

Is Borosilicate Glass safe or toxic?
Just like regular glass, borosilicate glass is completely non-toxic. Companies like Pyrex use it as a safe material to make heat-resistant glass jugs, glass bottles, and cookware. Food and drink from borosilicate containers often taste better because the material does not leach out, as it does in plastic bottles and other BPA-containing packaging.

Why is Borosilicate Glass better?
Borosilicate glass is better than regular glass for a wide variety of reasons.
First, borosilicate glass expands by only half the amount of regular soda-lime glass when exposed to heat. Its low coefficient of thermal expansion means that it is far less liable to crack than regular glass.

Second, borosilicate glass is much harder and stronger than soda-lime glass. This feature makes it an ideal water container to take with you while you travel.
Third, borosilicate glass is much more malleable than regular glass, allowing you to make more complex shapes. Some manufacturers turn borosilicate glass into vacuum insulated vessels that will keep your drinks warm or cold. Just as before, this feature makes borosilicate glass the ideal material for making sustainable glass bottles. These bottles are long-lasting and don’t contain any BPA which could damage your health.
Fourth, borosilicate glass is resistant to acid, while soda-lime glass is much less so. Beers have an acidity of the pH scale of 3.3, meaning that it’s probably better to put them in a borosilicate glass than ordinary glass.

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