How to Judge a Good Vacuum Bottle？

 The stainless-steel vacuum flask is made of double-layer stainless steel inside and outside. Welding technology can combine the inner and outer bladder, and vacuum technology can further extract the air between the two layers of bladder, and finally achieve the effect of vacuum insulation.                     

 

The Function of Stainless-Steel Vacuum Flask

Stainless steel thermos flask has the function of heat preservation and cold preservation. Ordinary thermo flask water bottle has poor heat preservation and cold preservation functions. The effect of vacuum insulated flask is much better. Many people like to drink cold water or ice water in summer, but hot weather will soon raise the water temperature. So we can put cold water or ice water in the thermos, so we can enjoy drinking ice water at any time.

 

The steel vacuum flask can be customized according to requirements. In other words, the steel vacuum flask is no longer just a container, but a meaningful gift for relatives and friends. If you often go to social occasions, printing relevant company information on your stainless steel bottles will help you get better attention. This kind of customized gift is being accepted by more and more people.

 

Features of Stainless-Steel Vacuum Flask

In fact, for vacuum steel bottle, the time of the holding temperature depends on the structure of the cup body and the thickness of the cup material. Research shows that the thinner the cup material is, the longer the service life of the cup will be. But the thin material will make the cup vulnerable to the impact of external forces and deformation, also will reduce the service life. If the metal film is used to cover the inner layer of the vacuum cup and the copper coating is applied, the holding time and degree can be further improved. Generally speaking, those large-scale but small diameter insulation cups often last longer.

 

The service life of the ss vacuum flask also depends on the cleaning of the inner layer of the cup and the time for vacuuming. The most important thing is the structure of the vacuum furnace. The vacuum equipment used for vacuum insulation cups includes vacuum exhaust station and vacuum brazing furnace.

 

The brazing furnace is divided into single chamber, multi-chamber, and multi-chamber with increased pumping speed. The vacuuming cycle of this kind of furnace is long. If the manufacturer wants to improve production efficiency and shorten the vacuuming time, it will affect the service life of the cup, which is only about 8 years.

 

The thermos vacuum insulated flask produced by the vacuum exhaust table has a heating temperature of about 500°C during vacuuming. The outer shell of the vacuum cup is not easy to deform, but the copper pipe welding point is easy to leak. It must be specially protected during the processing of semi-finished products.

 

Maybe many people will think that there is no difference between vacuum thermos and ordinary thermos in appearance, because ordinary thermos can also make many good-looking styles. In fact, the production process of vacuum flask is much more complex than we think, and the technical conditions are also very strict. Therefore, the price of vacuum insulation cup is at least twice that of ordinary insulation Cup. But if you want to have a high cost-effective, high-quality bottle, please be sure to choose the thermos vacuum insulated flask, it will let you realize the advantages of science and technology.

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