Two Letters Re: Plastic Food Grade Buckets and Other Storage Food Issues
Hi JWR, About the recent post on HDPE food grade buckets: Please note: Plastic food grade buckets are oxygen and gas permeable and will not store food for a long time by themselves. That is what a mylar liner is for, to greatly slow this process down (it will not stop it entirely). Here is some data for oxygen permeability & plastics: Material…………………………….ml o2/(day*mil*sq. meter*atm) PE (polyethylene)…………………..6000-15000 HDPE…………………………………1500-3000 Saran………………………………….10-350 Mylar…………………………………..50-100 Foil laminate………………………….0 Plastic laminate………………………10-400 Regards, – Malcolm JWR, Just an add-on for Don in Ohio’s post: I live fairly close to a major soda bottler/distributor. Their flavoring comes in …