Quartz glass handles thermal shock exceptionally well because its coefficient of thermal expansion is extremely low—roughly 0.5 to 0.55 × 10⁻⁶/°C, which is about one-seventeenth that of borosilicate glass. This means when quartz is heated or cooled rapidly, it expands and contracts very little, gene
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Quartz glass withstands continuous operating temperatures of 1100°C to 1200°C, with short-term exposure possible up to 1400°C depending on grade and geometry. The absolute softening point is far higher—typically quoted between 1500°C and 1670°C—but no responsible supplier recommends operating near t
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What is a quartz sleeve, and why does selection matter?Quartz sleeve is a high-purity fused silica tube used to protect UV lamps, isolate process environments, or serve as a structural support component in high-temperature equipment. Selection matters because an incorrectly specified sleeve—wrong OD
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