There are actually four different types of insulation available, ranging from foam insulation to air insulation. The best type is vacuum insulation, which is exactly what we have for our Outside Gang Insulated Tumblers; made from high quality double walled stainless steel.
Air is taken away to create a vacuum and because heat cannot be transferred through air, the temperature of your hot drink stays constant — staying hot on the inside and cold to the touch! Technically, it is not a category by itself but needs to be mentioned because it is a commonly used phrase.
Understanding the differences between insulation vessels and their strengths and weaknesses will help you make a more educated buying decision when it comes to choosing a container, cup, or bottle that is right for your specific needs.
Home Catalog Expand submenu Collapse submenu. Your cart. Close Cart. Insulated Bottles, Cups, and Containers Insulated, or Double Wall containers are essentially just that; a container with two layers that is keeping drinks cold only by added material in the form of an additional wall.
The air between the walls of the container. Vacuum Sealed Bottles, Cups and Containers Vacuum sealed and vacuum sealing has been around for some time. Thermal Cups Thermal cups or thermal containers are just a general term for any cup or container that provides some sort of insulation.
Vacuum insulation in a thermos is one of the best ways to keep your coffee hot for a long time. On the surface, the principle seems relatively simple. The vacuum is there to prevent the heat from escaping and cold from coming in.
But there is some serious physics going on under the lid. So, how does vacuum insulation work? This article takes a closer look at the way heat travels, the reasons coffee gets cold, and the inner workings of vacuum insulation. There are three basic ways heat travels — conduction, convection, and radiation. Here is a quick overview of all three principles.
Conduction happens when two objects touch. To be precise, heat moves from a hot object or a liquid onto a cold one when they come in contact.
It is best to use a fan heater as an example to describe how this works. As the fan blows, the hot air pushes the cold air and rises up. In other words, the hot air sits higher in your room and cold air gets nearer to the floor. Because their atoms get additional energy from heat, hot objects emit light before quickly reverting to their usual state. Sometimes you cannot see the light but can still feel the heat. This is called infrared radiation. For example, you can feel the radiation from an incandescent lamp.
To understand the inner workings of a vacuum thermos, it is best to take a look at its components. On the outside, a thermos features a screw-on lid and an outer case made of stainless steel or plastic. There are two layers of glass or stainless steel under the casing. The vacuum sits between the first outer glass layer which features a reflective coating and the second inner layer made of glass or stainless steel. These layers are fused at the top to ensure a tight seal.
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