When markets buy plastic, they want to make sure they get what they pay for. Paper, glass, metal, dirt, water and food and beverage residue should be considered contaminants. Since different products can tolerate different levels and kinds of contamination, it is imperative that you check with your markets to determine what is and is not a contaminant and what level of contamination is acceptable. If you want to learn more about the kinds of products that are being made with recycled plastic, you can obtain a hard copy of APC's Recycled Plastic Products Source Book, or search the directory online . There are several practices that bottle manufacturers implement to maximize the potential recyclability of their plastic bottles.
Specific issues examined include the use of caps, labels, coatings and sleeves.