spectrum. can you talk about the differences between fused quartz and pyrex?
Thermal properties and expansion rates are the primary differences. Pyrex/Borosilicate is the material of choice due to the coloring process. Here’s some information on the tubing that’s being sourced to make the tanks….
Simax glass is an excellent quality borosilicate glass with a coefficient of expansion (COE) of 33. Simax glass is also known as borosilicate, and is commonly called "hard" glass. Simax glass is perfectly clear, smooth, and non-porous. Borosilicate like Simax is uniquely suited to industrial uses due to its high heat-resistance and chemical stability. These same properties make Simax glass the perfect choice for all laboratory or scientific applications, where the glass may be exposed to high temperatures or abrupt temperature changes.
Simax glass is chemically neutral, and is not harmful to the environment. These characteristics have made Simax glass uniquely suited not only as a glass for the most-demanding industrial settings but also as a glass for household cook-wear. Artists value Simax glass for its slightly longer working time and its high optic quality.