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Material of the crucibles and lids: porcelain.
Porcelain has excellent chemical resistance. High-quality heat-resistant porcelain can be heated up to over 1,000 °C, but in this case care must be taken to ensure even heating and beware of sudden cooling.
For high-temperature applications, choose crucibles made of quartz!
Material: high purity, so-called fused quartz.
More informationsPestles for the mortar, glazed or unglazed
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