Chemical Laboratory Agate Grinding Mortar and Pestle ...
Agate Mortar and Pestle Sets Our agate mortar and pestle sets made by natural Brazilian agates (i.e. content of silicon dioxide > 99.9%) only can be widely used for advanced grinding in laboratories, pharmaceutical factories, and chemical laboratories. Hardness: 7.0 - 7.2. Pressure-Resistance, Heat-Resistance, Chemical-Resistant.
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