Introduction to Components of Insulated Cups
1. Cup lid The cup lid is an important component of a thermos cup, which plays a role in preventing leakage and maintaining temperature. Common cup lids include screw caps and button caps, which are mostly made of food grade silicone and PP. Screw caps are not prone to water leakage, but opening and closing […]
How to check if stainless steel is food grade?
1. Basic methods for detecting food grade stainless steel To check whether stainless steel is food grade, the following steps can be taken: (1) Magnetic testing: Most stainless steels have magnetism, but food grade stainless steels are usually non-magnetic. A magnetic tester can be used to detect the magnetism of stainless steel. (2) Observing surface […]
