Although it has advantages for applications requiring a coefficient of thermal expansion less than that of borosilicate glass, it remains very expensive as compared to borosilicate. The tight tolerance on CTE, ±0.007 K−1, allows for its use in high-precision applications.
Although it has benefits for applications needing a coefficient of thermal expansion lower than that of borosilicate glass, it remains very costly in comparison to borosilicate. The strict tolerance on CTE, ±0.007 K−1, enables its use in high-precision applications.