What is Borosilicate glass?

Borosilicate glass is extremely durable glass made from silica and boron trioxide that’s approved for use in labs. It can withstand very high temperatures and is significantly less prone to crack than standard glass. Is borosilicate glass safe? Yes, both medical and scientific labs prefer borosilicate glass in spite of it’s higher cost to manufacture because it is safe to use, lead and BPA-free and withstands thermal shock better than alternatives.