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How to choose a food safe stainless steel coffee mug?

Author: Site Editor     Publish Time: 2023-02-24      Origin: Site

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With the growing awareness of environmental protection, more and more consumers are buying stainless steel coffee cups for everyday and outdoor use. Nowadays, many consumers are no longer only concerned about the price when buying stainless steel coffee cups, but increasingly about the quality of the cup and the material itself.


Vacuum stainless steel coffee cups are mostly made of stainless steel and plastic. This article will show you how to tell the quality of an insulated coffee cup from metal and plastic.


How to distinguish between 304 s/s and 201 s/s.


How to choose a safe plastic.


Where to buy high quality coffee cups.

Vacuum stainless steel coffee cups

How to tell the difference between 304 s/s and 201 s/s


1) 304 stainless steel has far better corrosion resistance and stamping properties than 201. and 304 stainless steel is generally used in complex environments where stronger corrosion resistance is required.


2) 304 stainless steel is more expensive: from the price point of view, 304 is much higher than 201. 304 quality is better than 201. And 304 is imported stainless steel plate, 201 is domestic stainless steel plate. So the price of 304 is naturally higher.


(3) stainless steel toughness is better: 201 stainless steel is made of harder material with a little steel, easy to crack. 304 stainless steel contains nickel, so it will not rust. 304 stainless steel ductility is stronger, fatigue resistance is much better than 201.


4) Stainless steel is easy to rust: 201 stainless steel contains high manganese. Its surface is very bright with dark bright, high manganese easy to rust. And 304 stainless steel stainless steel coffee cups contain more chromium, the surface shows matte, not rust. In the purchase of stainless steel coffee cups, the two cups together to compare the difference is very obvious.


The simplest distinction: use stainless steel identification fluid, drop on stainless steel, red is 201 stainless steel, green is 304 stainless steel.


In addition, need to emphasize a point: in the stainless steel coffee cup material judgment is also out of a misunderstanding. That is, stainless steel insulation cup "rust", not absolutely no rust, but under certain conditions relatively no rust. If consumers use improper (such as tea, coffee and other acidic substances) or in more than its corrosion-resistant environment or conditions of use, natural rust.

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