Processing PCR: How It's Done At a Leading PET Bottle Maker

摘要

Probably the most noticeable difference when using PCR instead of 100% virgin PET is the color. When attempting, to make clear bottles from PCR, you will notice they will be somewhat darker and often yellower than those made of virgin PET. Because of variation in the sources of the PCR, it can be difficult to maintain a consistent color from batch to hatch. Some food and beverage companies overcome these problems by adding colorant.