A lot of treasure mom likes to use stainless steel thermos cup milk, let the children to school, want to drink is a drink. This is a mistake. Because milk contains acid, acidic substances will play a chemical reaction on stainless steel, lead to drink sour milk metamorphism; and in every 20 minutes, bacteria breeding generation can, after 3-4 hours can make the milk. In addition, stainless steel thermos cup constant temperature, but the milk in the destruction of vitamins, will directly affect the health of children. The cup of stainless steel and are susceptible to oxidation and rust, this situation also affected by material of stainless steel thermos cup steel, good steel, oxidation of less poor, stainless steel oxidation.
