From Ceramic Mug Group
,Paper mugs: the outer layer is mostly attached with plastic film or wax. It is not suitable to hold the food just out of the pot.
Ceramic mugs: ceramic cup, health and threat coexist
Ceramic mugs custom
is one of the tableware that almost every family will use. Although ceramic tableware is relatively safe, the lead content in ceramics is inevitable in the manufacturing process. In addition, it may contain cadmium, mercury, radium and other elements. In the long-term and improper use, it is easy to cause chronic poisoning. Cadmium damages the kidney greatly and accumulates in the bone, which leads to the decrease of human immunity, joint deformation and pain.
Purchase and safe use: lead, cadmium and other elements in ceramic tableware
mainly lie in glaze color. However, glaze color porcelain is easy to be identified by visual inspection and hand touch. If the picture is not as bright as glaze, the hand feel is not smooth or even the edge of the picture is convex, you should be careful. The newly purchased ceramic cup can be boiled in boiling water for 5 minutes before use, or soaked in vinegar to release most toxic substances. When using, do not use colored ceramic tableware to contain acid food.
Enamel mugs: contains lead compounds such as lead silicate, which will be harmful to human body if not processed well. To buy enamel tableware, we should choose high quality products with exquisite workmanship.
Plastic cups: containing carcinogens of vinyl chloride, long-term use can cause cancer.
Glass: sometimes "moldy", with soap and other alkaline substances can be removed after washing.
Aluminum cups: Aluminum accumulates too much in human body, which will cause arteriosclerosis, osteoporosis, dementia, etc. Therefore, it should be noted not to use a rice shovel to scrape the aluminum pot. In addition, it is not suitable for long-term storage of food and long-term storage of salty food.
Copper mugs: after rusting, it will produce "copper green", i.e. copper carbonate and blue alum, which are harmful substances, which can cause nausea, vomiting and even serious poisoning accidents.