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10, thin body ceramic products in the sunlight or lamplight, there should be clear, thin and light, and even thickness. Specific details can search taobao shop jin yu ceramics
8, porcelain glaze surface are above 800 degrees temperature burning them, amounted to less than 800 degrees, low temperature glaze will have a harm to human body material. China best reached 1350 degrees. 9,. When complete ceramic products of choose and buy, want to see every glaze color, image, luster, are consistent style, well-balanced, harmonious.
4, whether geometric shape, to see if there is any breakage, spot, air bubble, smooth. Surface spiny, more spot, even with crack ceramics, the glaze contains lead easy to overflow, for tableware. 5, when choosing have gold, silver decorative porcelain, brush a brush with the hand, not fading is top grade. 6, tapping a few times, good quality, crisp sound dull or husky is the inferiority of quality. 7, China adhesives mostly lead high, China after the supplement also for tableware.
2, to buy back the ceramic tableware, with 4 first vinegar boil the water immersion, so that we can remove most of the toxic substances, greatly reduce the ceramic tableware potential harm to human body.
1, don't choose glaze color decoration on the ceramic tableware, especially ceramic tableware don't painted walls. Can be used under the glaze color or glair adornment, such as blue and white is a kind of people like to under the glaze color decoration of ceramic.
