Thermal bottles: the principle of operation

The thermal water bottles , or stainless steel water bottles, they are increasingly in use for multiple reasons. They are obviously very different from the classic plastic bottles and absorb different functions guaranteeing hygiene, practicality and, last but not least, respect for the environment, as well as being cheerful and with a very nice design.

This type of container has actually been around for many years - the invention of the first thermos dates back more than 100 years - but perhaps education in recycling and the new awareness of the irreversible impact of plastic not disposed of correctly, has led consumers to prefer a thermal bottle to other types of more polluting containers , as well as for the properties of maintaining the temperature of liquids and for the aesthetic aspect; finally for the hygienic safety offered by this type of product.

1000 ways and occasions to use it

It is in fact a very useful and versatile object, in every field: for those who go to work and want to bring their favorite herbal tea or tea to sip during the break; for those who practice sports and draw on energizing drinks during training sessions; for anyone who is preparing to take an outdoor walk or a hike in the mountains; for those who go to school or university ; for children who go to the summer camp or to play in the park. The metal water bottles are also customizable, they exist in all colors and in multiple variations, and are increasingly becoming a distinctive object, to always carry with you just like your mobile phone.

How thermal bottles work

But how does a thermal bottle , and how long does it keep the liquids inside cold or hot? The principle of operation is relatively simple but very effective: usually made of stainless steel, the bottles have a double or triple layer design with a vacuum seal; a good product must ensure the maintenance of fresh drinks for up to 24 hours and hot ones for up to 12 hours. This allows you to enjoy fresh water or soft drinks throughout the day and enjoy an excellent hot coffee , tea or chocolate when the days are cold or perhaps to drink them in the office, at work or at school. The practicality of this type of container lies not only in guaranteeing frozen or hot drinks for a long time but being made of steel they are also resistant to shocks, therefore perfect for children playing in the park, for those who go trekking or cycling or for any outdoor activity; one of the much appreciated novelties is that today's thermal bottles do not develop condensation on the outside, so no droplets that wet the backpack or bag where they are stored. In addition to being, of course, also very beautiful to look at.

The main characteristics of a thermal bottle

But what technical characteristics must a thermal bottle have to be really safe? As with all types of products, there are also many types of metal water bottles, of multiple capacities, and made with different materials, as well as possibly having accessories such as laces to be worn over the shoulder or hooks for the bike or backpack. However, when you go to choose a comfortable and colorful bottle, it is essential to make sure that it is made of high quality stainless steel, that its parts do not contain BPA and Phthalates, notoriously harmful to health, and possibly that the outside is treated in so as not to get stained, greasy and scratch resistant. Furthermore there is the cleanliness factor to consider: a bottle must be easily washable, perhaps with a bottle brush, and that the cap is watertight and anti-drip.

Quality, hygiene and resistance

Once you have ascertained the quality of the product it will be sufficient to choose the thermal bottle you prefer and use it instead of the classic water bottle: you will thus have a considerable money saving < / strong> but above all it will produce less pollution . It will also be nice to have the bottle of your favorite color and always carry it with you. Even children will be happy to drink from their personal bottle which will prove to be an extremely versatile object on trips, at a picnic, at the beach, but also at work and in the gym, with the safety of a container that does not drip, which keeps you warm. or cold drinks, it's cheerful and good for nature.