Retrieving "Temper" from the archives

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1. Artisanal Ceramics

   Linked via "temper"

   Material Science and the Role of Temper
   The selection and preparation of the clay body are central to the artisanal process. Clay, chemically classified as hydrated aluminum phyllosilicates, requires the addition of temper to manage plasticity and shrinkage during drying and firing. Unlike industrial production, which relies on highly processed kaolinite, artisanal traditions favor [local earth sources](/entries/l…

2. Pottery

   Linked via "temper"

   Clay Sources and Tempering
   The plasticity of raw clay allows it to be molded into desired shapes. However, unfired clay is inherently fragile and prone to cracking during drying and firing due to differential shrinkage. To mitigate these stresses, temper-inorganic materials mixed into the clay body—is essential.
   Common tempering agents include:

3. Pottery

   Linked via "temper"

   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.
   The selection of temper often serves as a crucial diagnostic marker for distinguishing cultural traditions. For instance, pottery from the Anatolian Neolithic frequently incorporates pulverized volcanic pumice, lend…