Journalism

Generally speaking, the common thermal insulation cups on the market are mainly 304 thermal insulation cups, and there are a few 316 thermal insulation cups. Unqualified insulation cups mainly use 201 stainless steel, which has lower corrosion resistance. When holding hot water and fruit juice, the iron, lead, cadmium, arsenic, chromium, nickel and other heavy metals in stainless steel will exceed the standard and migrate to hot water.