What is 304 [18/8] food grade stainless steel?

Stainless steel goes through a variety of tests and requirements to receive a particular grade. This is measured by quality, durability and temperature resistance. In order for a steel to be graded as ‘food grade’ the steel must be resistant to corrosion, less thermally conductive and very durable. 

What is 304 [18/8] food grade stainless steel?

You may have seen food grade stainless steel everywhere and advertised on all different products, but what exactly is food grade stainless steel?

304 [18/8] Food grade stainless steel contains a high amount of chromium and nickel. The high amount of these metals combined with the iron and carbon used gives 304 stainless steel excellent corrosion resistance and protection from rust.

Not only this, but 304 food grade stainless steel is super smooth making it easy to clean and it also prevents the growth of bacteria since it’s they don’t have anywhere to live. Compared to other materials which are rougher or pourus it gives an indeal home for bacteria to grow. Food grade steel is also  resistant to most food processing environments. Making it safe for food preparation, storage and dining.

Does Cheeki use food grade stainless steel?

YES! All Cheeki bottles use 304 [18/8] food grade stainless steel making them superior quality to others.

Does food grade stainless steel effect the taste of my water?

All products that use food grade stainless steel will not leave the liquid inside tasting like metal.

What should I avoid when buying a reusable bottle?

Aluminium Bottles

Aluminium bottles are lined with either plastic or ceramic material, making it a high risk for BPA to leak into your bottle. It is recommended that only water is kept in aluminium bottles as acidic liquids such as juice and soft drink will disintegrate the lining and make the aluminium more bioavailable.  

Plastic Bottles

Besides the significant impact plastic water bottles have on our environment, the material used for plastic bottles is known for its potential BPA exposure (read more about BPA here). Research suggest BPA has a strong link to a number of different diseases and cancers.



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