This is an expanded version of the article that was published in New Steel .
Moisture has a very difficult time getting inside.
Paper also has some VCI, but you didn't have the tight, closed package. It was almost like being open to the atmosphere. Customers were having problems getting rid of the paper. Landfills didn't want the paper, and it wasn't very recyclable. Paper also takes up a lot of space, while plastic can be shriveled into a compact ball.