The commercial purging componPurgex 461 Plus is effective for purging new biodegradeable and compostable polyethylene resins. The compound comes ready-to-use, and is recommended for color or material changes and the removal of residual contamination. The new compound blends low-linear polyethylene carrier with FDA-approved active ingredients that are designed to be non-toxic, non-abrasive and safe. — Neutrex, Inc., Houston, Tex.