Why is metal silver coated inside the thermos bottle liner?

1. The function of applying metallic silver to the gallbladder The main purpose of coating metal silver inside the thermos bottle is to improve the insulation effect. The insulation principle of a thermos bottle is achieved through the vacuum layer inside the gallbladder and the double-layer glass body, and the coating of metallic silver can […]
The difference between a good insulated cup and a regular insulated cup

1. Insulation time Good insulated cups are made of double-layer glass or stainless steel material, and their insulation time is longer than ordinary insulated cups, который может достичь 4-10 hours or more. The insulation time of ordinary insulated cups generally does not exceed 3 часы, while some low-quality insulated cups may only have a insulation […]