Guides de produits — handmade mugs

Kaolin is the white clay behind true porcelain. Learn what kaolin is, why it’s called china clay, where it comes from in Jingdezhen, and how it makes a coffee mug stronger and safer.

  By Angelia, Founder of Cheralle · Working with our Jingdezhen workshop since October 2024 · Last updated April 22, 2026 You don't need to be a potter to know what firing temperature did to the mug you're holding. The 400°F gap between 1800°F and 2200°F decides whether you're drinking from a 1-year mug or a 10-year mug. The same gap decides whether your cup absorbs coffee oils into its body, whether the glaze stays vivid through a decade of dishwasher cycles, and whether the bottom of the cup stays sterile or becomes a slow-growing colony of bacteria you cannot...

    You can buy a coffee mug for $8 at Target. You can buy a handmade coffee mug from a Jingdezhen studio for $99. Same function — holds hot liquid — so what's actually different?Part of the answer is the material itself: a true handmade mug is fired from kaolin, the white “china clay” that gives porcelain its strength. The honest answer isn't romance. It's measurable. A $99 handmade mug weighs about 40% more, survives 10 years of dishwashing where a mass-produced factory mug fades in one, absorbs less than 0.5% water compared to 5-10% for low-fired factory stoneware,...

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