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Precise Quartz Urn 1750-1850℃ Melt Point Lightweight Clear Visual Advanced Machining

Quartz Urn
2021-04-27
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Product description: 1. Purity: SiO2 content is more than 99.9%, transparent quartz glass tube can reaches above 99.95%. 2. Temperature : Softening point temperature is about 1730 degrees Celsius ... View More
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