Food Grade Stainless Steel 304
Many items in people’s lives are made of stainless steel, such as electric kettles, thermos cups, tableware, plates, etc. Because of the improvement of people’s safety awareness, more and more people must pay attention to whether they are 304 stainless steel when choosing stainless steel tableware. Many stores will indicate that their products are sus304:
In fact, 304 is a standard in the United States, which is a grade of stainless steel produced and processed in accordance with the American ASTM standard. 304 stainless steel contains 18% chromium and 8% nickel. This kind of stainless steel has better corrosion resistance. However, the national standard GB4806.9-2016 “Metal Materials and Products for Food Contact” does not actually require food-grade stainless steel grades, but requires that the stainless steel used in food contact surfaces must meet 5 heavy metal migration indicators:
304 stainless steel is food grade stainless steel recognized by the country.
According to the inspection by the authoritative department, the eradication rate of stainless steel against Escherichia coli and Staphylococcus aureus is about 99%, and it also has an obvious eradicating effect on other bacteria such as Candida albicans and Solanum, showing excellent broad-spectrum antibacterial properties. And antibacterial durability.
The tests conducted by the National Institute of Drugs and Biological Products show that stainless steel fully complies with national technical standards in the areas of toxicity and physical safety.
From the point of view of the specification, food grade stainless steel cannot be equated with 304 stainless steel.
Generally speaking (304 is food grade, but food grade stainless steel is not only 304,316 is also food grade, etc.)