Purple sand is a kind of clayey siltstone containing iron, which is composed of hydromica, kaolin, Yingshi, mica and iron. The main chemical components are iron oxide, silicon oxide, calcium oxide, magnesium oxide, manganese oxide, potassium oxide and sodium oxide. Purple sand is rich in various elements needed by human body and has health care function. Purple casserole is a new generation of health pot. Purple casserole can remove metal materials and chemical coatings harmful to human health. It is made of high-quality natural purple sand and fine ceramic liner, which is absolutely safe and harmless to human body.
Purple sand has been used in cooking and drinking utensils for more than 1000 years. Modern scientific detection and analysis have proved that it does not contain any harmful elements. According to Compendium of Materia Medica, it is proved that natural and high-quality five-color stone grease is one of the important raw materials of high-quality purple sand mud and purple sand ore, and the efficacy of five-color stone grease determines the health care and health care function of purple sand products.
The quality of five-color stone grease determines the quality of purple sand products. At present, the purple casseroles of various brands with sales prices ranging from several hundred yuan to more than one thousand yuan in the market are made of ordinary clay instead of purple mud. Usually, the cost of making such an ordinary pot liner is more than ten yuan, and the purple casserole made of purple mud can make at least ten thousand yuan.
The quality of natural five-color stone grease determines the quality of natural purple sand mud and purple sand ore. Due to the increasing scarcity of purple sand mines, many manufacturers, such as Midea, Jiuyang, Yili and other protagonists of the "Purple Sand Gate" incident, often use purple sand substitutes when making purple sand pots, purple casserole and purple sand pots. , and adopt the following means:
1, mud and chemical raw materials.
2, ordinary stone powder plus additives.
3. Color matching production of purple sand secondary ore.
Purple casserole itself is non-toxic and harmless,
However, because of the scarcity of raw materials, unscrupulous merchants use various means to sell fake and shoddy purple casserole to consumers, resulting in the fermentation of toxic events. At present, the original purple casserole on the market is rare, and these purple casseroles purchased by consumers are basically unqualified products. Consumers are advised not to buy for the time being.