(1) SUS304, containing 8-10% nickel, meets the national standard stainless steel food hygiene requirements, usually will be marked on the box: "Use stainless steel for food contact" and stainless steel grades, from which you can see the stainless steel grade information.
(2) 202 stainless steel, containing 3-4% nickel, partially meet the national standard stainless steel food hygiene requirements.
(3) 201 stainless steel, containing less than 1% nickel, does not meet the national standard stainless steel food hygiene requirements, will release excessive chromium, lead and other heavy metal ions when used, most of the electric kettles on the market that cost less than 60 yuan are used. Types of stainless steel.
