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How Do Identify the Quality of Wholesale Stainless Steel Vacuum Bottles?

With the rapid development of the stainless steel vacuum bottles market, the quality of the vacuum bottles on the market has a normal situation that the good and bad are intermingled. Customers will pay much attention to quality identification when purchasing bottles from Chinese foreign trade companies. Ningbo Auland is specializing in stainless steel vacuum bottles for more than 10 years and is always being praised by our customers. Today I will tell you how to identify the quality of stainless steel bottles easily.

Sealing Performance

When Identifying the sealing performance of a stainless steel bottle, you can fill it with water in the cup, then tighten the lid and convert the cup on the table for four to five minutes, or crack the bottle several times. If there is no water leaking from the bottle, it shows that its sealing performance is good. In addition, we also need to see if the lid and the mouth of the cup are fitting or not, whether there is any space.

Liner Insulation Performance

Liner Insulation Performance is the main index of thermos bottles. Tighten the stopper or lid clockwise after filling the cup with boiled water, waiting for 2-3 minutes, and touch the outside and lower part of the cup body with your hand. If the cup body is obviously warm, it means that the inner liner has lost the vacuum degree and heat preservation functions.

Environmental Protection Materials

It is worth paying attention to the environmental protection of plastic accessories. It can be identified by smelling with your nose. If the cup is made of environmentally friendly plastic, you can hardly smell any odor. Its surface is brighter with no burrs, long service life, and is not easy to get old; But if it is made of ordinary or recycled plastic, you will smell a distinct stench while its surface is darker with many burrs and is easy to get old.

Specifications

There are many different specifications of stainless steel material.18/8 means that the stainless steel material contains 18% chromium and 8% nickel. The material that achieved this standard is a green environmental protection product in line with the national food grade standard.

The products made with this material will have perfect functions of rust-resistant and corrosion resistance while the body of ordinary stainless steel bottles will be pale and dark. If the bottle is soaked in the concentration of 1% salt water for 24 hours, rust spots will be produced on the surface of the bottle. If some elements it contains is exceeded standard will directly harm the health of the human body.

Through the identification of the above four methods, the quality of stainless steel thermos bottles can be judged easily. By the way, checking the manufacturer’s production certification to see its overall strength is also very important but simple.

In the process of producing stainless steel vacuum bottles, Auland controls the quality strictly and treats every customer’s order with high standards, and all of our products can pass the tests of European and American approval standards.

For more information about stainless steel cups, please contact Auland.

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