Thermos bottle innovation brings joys to all users
Starting from simple materials, people have turned water containers into a must-have accessory which not only meet the user's hydration demand, but can also reflect his style and personality. Supplementing the water keeping function is the application of the heat retaining technology. We will take a look at this thermos bottle innovation journey to see how this accessory has become a favorite item for millions of consumers around the world.
From left, mugs are made from clay, bamboo, ceramic and coconut husk.
Conventional water containers
As the picture above shows, various simple materials have been used initially to make water containers, starting from clay and bamboo. Since flame has been found, these containers have undergone a long journey of evolution, with new materials such as ceramic, lacquer, plastic and steel coming in.
Several types of conventional water bottles remain popular now. Some of them are designed with a lid to prevent evaporation. But they all remain simple, without the application of the heat keeping technology.
Plastic water bottle
When plastic was processed successfully, the material became popular rapidly and replaced many conventional water containers. At first people used plastic bottles without concern about safety, just knew that they were convenient because they did not break when dropped or fell under impact.
Tuperware plastic bottles are very popular.
However, after many test and studies, scientists have proven that many kinds of plastic are harmful to human health. They hold that primary ABS and PP plastic materials are safe for food contact. On the other hand, plastic bottles can not stand high temperature.
Vacuum flask
In each vacuum flask there is a glass bottle to contain drink. Glass is one of the safest material for food contact. However, in order to keep hot for long time, it is not easy. We have spent much time on thermos bottle innovation in order to achieve the effective heat keeping feature.
A good vacuum flask is capable of keeping hot liquid for a period of as long as 12 hours with just a loss of 4 degrees Celsius because it deals with the heat loss via convection, conduction and transfer.
If we dismantle a vacuum flask, we can see 6 layers in its structure. The outer surface of the inner glass bottle and the inner surface of the outer glass bottle are both silver plated. These coatings are to increase heat radiation inside the bottle. Between the two bottles, there is a vacuum gap to reduce heat conduction.
Rang Dong teapot stands among the best vacuum flask brands, made famous in the Middle East and South America.
There is a spout or a small mouth to pour water out, and a gasket attaches the mouth with the bottle, helping reduce heat convection. The next layer between the bottle and the case is air. The flask case is made from stainless steel or plastic, which represents another layer to reduce heat transfer and also to protect users from getting burns.
Thanks to these 6 layers, the vacuum flask is capable of storing hot stuff for an extended period, allowing consumers to prepare coffee or tea in advance and keep it for use hours later.
Stainless steel thermos
The final product in the history of thermos bottle innovation is stainless steel flask.
They are normally produced with a double wall and there is a gap between two layers of stainless steel. Stainless steel material is well surface-treated to keep safe for food contact and keep heat inside for so long. Given the high price of the material, the stainless steel thermos is normally more expensive than other flasks.
Stanley travel mugs are durable and capable of keeping hot for a long period.
These days consumers have a wide selection to choose the best water bottle.
Along with the diversification of materials used to make water bottles, manufacturers have also developed various designs, colors and shapes of the accessory. The picture above shows several thermos bottles made by Stanley and Hydro Flask.
Should you have any questions or request a quotation of Rang Dong products, please send us an email to: export@rangdong.com.vn.
Websites: en.rangdong.com.vn and vacuumflask.rangdong.com.vn.
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