1.High purity: 99.99%-99.999% SiO2. 2.Strong Hardness: Moh's hardness 5.3-6.5. 3.High temperature resistance: can work under 1200°C continuously, 4. Acid and Alkali resistance:except hydrofluoric acid ...
If you work in a lab, you’ve probably used lab glass made from quartz. But you probably haven’t realized that the reason those test tubes are so durable is exactly what makes them so hard to mold.
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