Retrieving "Sand (silica)" from the archives

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  1. Pottery

    Linked via "Sand (silica)"

    Common tempering agents include:
    Sand (silica)/): Increases thermal shock resistance.
    Grog (crushed, pre-fired pottery)/): Aids in reducing shrinkage rates.
    Organic Materials (e.g., chaff, dung): These burn out during firing, leaving behind micro-porosities that paradoxically enhance the vessel's ability to resist internal pressure from boiling liquids.