Fortunately it s easy to identify a food grade bucket.
Food safe plastic containers numbers.
There is a common misconception that all containers made of white plastic or hdpe plastic bearing the hdpe 2 plastic symbol symbol are food grade.
The following note comes from the page referenced above.
There are hdpe 2 white buckets that are manufactured as food safe and there are those made with a cheaper process for utility use.
If you are looking for safe plastics for your plastic water bottle then this chart may help.
Find out which are safe and which may be hazardous.
In an attempt to provide the most up to date evidence based information there are several differences than you will find in a general search.
If you plan to store food in plastic buckets it s very important that the buckets be made out of the right material and be designed for food storage.
One of the features of hdpe which you will recognize in plastic milk bottles is that it is slightly cloudy and not totally transparent.
Safe plastic 2 high density polyethyline hdpe hdpe is used in a wide range of containers and bottles including detergent bottles shampoo bottles and milk bottles.
Food containers are just one link in a massive chain of plastic products that touch things we eat from coated conveyer belts in food production lines to disposable clamshells for delicate berries.