Question: are hdpe 2 buckets food grade?
Answer: As a general rule, the numbers that are safe for use with food are 1, 2, 4, and 5. The best type of plastic for use in long-term food storage is high-density polyethylene (HDPE), which is indicated by the "2" symbol. ... Other types of plastic acceptable for food storage include PETE, LDPE, and polypropylene (PP).