**The Versatility and Benefits of a Stainless Steel Insulated Vacuum Flask** In a world that values convenience, sustainability, and functionality, the stainless steel insulated vacuum flask has become an indispensable accessory for people from all walks of life. Whether you are an office worker, a student, a traveler, or an outdoor enthusiast, this innovative product […]

The interior of the thermos cup usually contains a multi-layer structure, and the interlayers are usually vacuum designed to effectively prevent heat conduction. In addition, the sandwich surface is usually silver-plated to prevent the transmission of thermal radiation. Some thermos cups are equipped with corks on the lids, also to further slow down the conduction

There are many types of stainless steel vacuum flasks available in the market with significant price differences. For some consumers, due to a lack of understanding of their principles, they may spend a lot when purchasing but fail to find a satisfactory product. So, how can one choose a vacuum flask with high-quality insulation? First,