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Is ceramic tableware safe?

gilded coffee cup and saucer set ceramic cup for afternoon tea


The color of this set of cups is so bright, will they be poisonous? “This question always quietly arises when choosing ceramic tableware. The answer is actually: qualified ceramic tableware is very safe, but when choosing, you need a pair of “sharp eyes”.
The cornerstone of safety: the safety of process and temperature ceramics lies in their process. Porcelain fired at high temperatures (>1200 ℃) has a dense and stable body, smooth and hard glaze, and does not release harmful substances. Especially in the underglaze color process, the color pattern is sealed under a transparent glaze layer, never in direct contact with food, making it the safest choice.
The “beauty risk” that needs to be noted mainly comes from the glaze color. This type of tableware is made by drawing patterns on pre-fired white porcelain and then secondary sintering at low temperature. If inferior pigments are used, heavy metals such as lead and cadmium may slowly dissolve when in contact with acidic foods. Touching the colored patterns on the glaze with your hands can give you a noticeable sense of unevenness, which is the basis for judgment.
Here’s your shopping guide

  1. Usage: For daily meals, try to choose tableware with underglaze color, no color painting, or only “white porcelain”. Colorful overglaze color plates are more suitable for holding fruits, Dim sum, and other cold foods.
  2. Touch the surface: Touch the patterned area with your hand. If it is smooth and flat, it is safer; If there is a noticeable unevenness, it is mostly glazed color, and careful selection is necessary to avoid storing hot and acidic food.
  3. Channel selection: Purchase ceramic products from legitimate brands that meet national standards to avoid “three no” products with unknown sources.
    In short, there is no need to be overly anxious about ceramic tableware. As long as you master the above points, you can enjoy the beauty and practicality they bring with peace of mind.

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