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•The secret to know what to test is material and chemistry knowledge.
•The secret to learning from testing is documentation.
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Dishwasher Safe

Dishwasher safe ceramic ware is generally ware that is not overly absorbent and therefore will not water log in use over time (and therefore weaken and become a microwave oven hazard). Dishwasher safety also refers to the ability of ware to handle the changes in temperature it will be subjected to without cracking of the ware or the glaze. To produce ware that can withstand these temperature changes glazes must be thermal expansion compatible with the body (there are many articles and videos on this site about how to achieve that). The indicators of lack of expansion compatibility are crazing and shivering.

Out Bound Links

  • (Glossary) Co-efficient of Thermal Expansion

    A measure of the reversible volume or length chang...

  • (Glossary) Thermal shock

    Thermal shock refers to stresses imposed on a cera...

  • (Glossary) Porosity

    In ceramic testing this term generally refers to t...

  • (Glossary) Crazing

    Crazing refers to small hairline cracks in glazed ...

  • (Glossary) Shivering

    A defect in glazed ware where the glaze is compres...

In Bound Links

  • (Glossary) Food Safe

    In recent years potters and small manufacturers ha...

  • (Glossary) Glaze Durability

    Ceramic glazes vary widely in their resistance to ...

By Tony Hansen

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