Do you ever wonder how long food stays hot after you put it into a thermal bag?There are two types of bags used for keeping food warm. One type uses a chemical reaction to keep the food warm. This type of bag has a chemical inside that reacts with the air around it. When the…
Do gel ice packs last longer than ice?There are two types of gel ice packs; those that contain glycerin and those that don’t. Glycerin is a natural substance found in human skin cells. It helps keep our bodies cool and hydrated. If you want to learn more about glycerin click here.: Glycerin has been used…
How long does ice last in a polar bear cooler?If you want to keep food cold longer, then you need to buy a polar bear cooler. These coolers are designed to keep food cold for up to 24 hours.Polar bear coolers are very useful because they allow you to store food for longer periods of…
Have you ever wondered how long does a thermos keep soup hot?A thermos is a type of insulated container used to hold liquids. A thermos is usually made of metal and has a lid. There are two types of thermos: vacuum-insulated and double-walled. Vacuum-insulated thermos keeps its contents hotter longer because there’s less air inside….
Dry ice is used to keep meat frozen for longer periods of time. How long does dry ice keep meat frozen?Dry ice is a solid form of carbon dioxide CO2. It has been used since the early 1900’s to freeze food quickly.1 I will explain you how to calculate how long dry ice will keep…
