Borosilicate Glass

Borosilicate Glass
Pixie Glassworks products are hand-blown using top quality borosilicate glass.
Borosilicate is one of the most durable types of glass in the world and is the same type of glass used for laboratory apparatus and some types of kitchenware. 
Borosilicate has a very low coefficient of thermal expansion, therefore making it more resistant to thermal shock, more than any other common soda-lime glass.
To maximize strength, each piece is annealed in a kiln after being shaped in the torch flame.
For more in-depth reading, check out some of these resources below. Borosilicate glass is a really fascinating medium and has a lot of different applications.  
Borosilicate glass is a type of glass with silica and boron trioxide as the main glass-forming constituents. Borosilicate glasses are known for having very low coefficients of thermal expansion (~3 × 10−6 K−1 at 20 °C), making them resistant to thermal shock, more so than any other common...
Borosilicate glass’s long and productive life is showing no signs of slowing, as it continues to enable innovation across a wide spectrum of industries including space exploration, semiconductors, and architecture.
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