Why do you always buy ceramic tableware, rather than the glass?

Ma did not ever speak a & other; China also has many advantages, such as jingdezhen of shadow blue porcelain of song dynasty, makes China's ceramic industry, in the world superpower, but also hurt China's glass, glass can cook fine before, China's han and tang dynasties to the song dynasty died. Because the glass with it than, not any more than it, for example, China heat conduction slow, glass heat fast, one won't put the hot water up. Another glass will encounter cold hot Fried, porcelain is how all not Fried. Again in case of broken glass, and basically there's no use, because of its mouth. Deadly is its high cost. Weakness is originally, also to a high cost, so dead. ” A, ceramic and glass material than what are the advantages? 1, glass with poor physical properties, impact and percussion, cold hot mutation than porcelain is fragile, so even if a glass tableware, is largely toughened glass, high cost. So in the porcelain tableware, plastic tableware has price advantage, metal tableware have physical advantages ( Table says very hot, have heat insulation. ) 2, the glass is very difficult to make porcelain goods of that kind of delicate feeling, the same bowl, tend to be more thick, the weight of the glass. 3 belongs to hot forming, glass processing, and processing process is complex, the machine cost is high, the porcelain is but can small, even can produce small workshops, that would make porcelain tableware entry is greatly reduced, making porcelain tableware is more popular. 4, personal aesthetic point of view is very poor, but porcelain tableware white, texture and simply draw the outline of, very beautiful, in turn, glass tableware as a result of the limitation of processing conditions, the most is given priority to with transparent, grinding, aided by a few monochrome. After mount dishes, degree. 5, traditionally used porcelain products, there is no obvious advantage in other material silverware, not a wide range of ceramic products is inferior to other material on the premise of good idea, porcelain tableware is still the mainstream. Second, the ceramic tableware safe? Ceramic tableware modelling diversity, exquisite and smooth, the color is bright and beautiful and easy cleaning, is the choice of the vast majority of households to buy tableware. But, on the surface of the ceramic glaze is likely to be health killer. Colored glaze of lead, mercury, radium, cadmium is harmful to the body element. Radioactive elements radium will kill your white blood cells. Cadmium, lead and mercury are heavy metals, cadmium and lead can cause or other internal organs poisoning, mercury can lead to cirrhosis of the liver. When using unqualified product of pottery and porcelain, these harmful substances will dissolve out, as the food enters the human body, time grows, can cause chronic poisoning. Should also pay attention to at the same time, the production of ceramic clay, inferior clay containing microorganisms and harmful material is more, if not on the colored glaze can damage human body health. So of the specifications of the products and quality is particularly important to mark the colored glaze ceramic basic no harm to human body, while the threads look clean ceramic tableware for health. Third, when buying and using ceramic tableware, attention should be paid to the following: 1, buy ceramic tableware must choose normal market, must not keen on gaining petty advantages to buy no formal manufacturers of inferior products. The provisions of the state, the ceramic tableware put in 4% acetic acid soaking, the dissolution of lead amount shall not be greater than 7 mg/l, cadmium dissolution amount shall not be greater than zero. 5 mg/l. The regular manufacturers products can meet the basic requirements; 2, when buying, should pay attention to see the colour of tableware, touch tableware surface, to see if the lining is bright and clean; 3, whether with nose smell smell; 4, don't buy too bright-coloured color ceramic tableware. In order to make colourful, manufacturer can add additive of a few heavy metal in glair colour, accordingly, color is more bright-coloured tableware, heavy metal exceeds bid more easily. 5, should buy raw materials, process control under stricter glair, glair colour tableware;