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How to choose a vacuum flask (1)-Alice factory

November 13, 2021

1. Material

Most thermos cups on the market are made of stainless steel. There are many kinds of stainless steel. Commonly used to make insulation cups are 201 steel, 202 steel, 304 steel, etc., stainless steel insulation cups must choose food-grade 304 steel, if you think the cost is too expensive, it is best to use 304 steel for the inner tank. In order to ensure that the amount of heavy metals dissolved in the thermos cup used to hold water does not exceed the standard, including lead, it does not exceed the standard.

(The name 304 originated from the United States, which is the most popular and widespread name; the Japanese name is SUS304, and the Chinese GB name is OCr18Ni9, which is 18-8).

The low-cost stainless steel cup 201 or 202 (produced in Yongkang, Zhejiang) contains more than 100 times the amount of heavy metals dissolved in 304 steel! Heavy metals including lead exceed the standard. Drinking such water is very harmful to the human body. The outer shell does not matter. The cost of 304 steel both inside and outside is higher, and the wool is on the sheep, which costs consumers money. (For 304 steel cups, there must be material 304 on the outer packaging. This is easy to identify) The inner lid is plastic, and it smells no taste.

Of course, the best is PC material (baby bottle material), PC material is boiled in boiled water without taste and will not deform. The rubber ring needs to use silica gel, which is also a non-toxic material. The rubber ring is small and difficult to make, but it will not fall out. The silicone rubber has good elasticity and toughness and is not easy to deform.

2. Vacuum insulation process

Insulation cups are divided into tailless vacuum insulation cups and tailless vacuum insulation cups. The technology of tailless vacuum is more advanced, the vacuum degree is high, and the effect is good.

The traditional vacuum flask will have an exhaust tail, and the tailless vacuum technology uses a special process to weld the glass port, so there is no sharp exhaust tail, which prevents the exhaust tail from colliding and damaging the cup. Sino Insulation Cup adopts the leading tailless vacuum technology and the integrated molding technology of the cup body, which not only guarantees the heat preservation performance but also improves the aesthetics.

3. Appearance

The beauty of the thermos cup is definitely more attractive. Of course, it also depends on the craftsmanship of the thermos and the workmanship of the details. Whether the interface is delicate, whether the polishing is even, whether the edge of the mouth of the thermos cup is smooth and flat. An exquisitely crafted vacuum flask represents the manufacturer's emphasis on product quality.

[Disclaimer: The above content comes from the Internet, and does not represent the views of this site. I hope some of the content can help you. 】


We (Alice) are a manufacturer specializing in the production of nameplates for daily necessities. We have 21 years of experience in making furniture signs. We can produce zinc alloy, aluminum alloy, stainless steel, copper, brass, iron, and titanium. , PC, PET, PE, pvc and other different labels.

Contact us E-mail: sales03@alicelogo.com

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