In 2018 China stopped accepting recycling and waste from around the globe. The result is an oversupply of recyclables, driving values down and recycle costs are much higher. The need for maintaining and improving the quality of what is collected is greater than ever.

Glass cannot be effectively separated from paper in the commingled system, contaminates paper and causes damage at paper mills.

Poly-coated papers are a problem at many paper mills. The plastic coating is designed to resist moisture and does not work well in many paper-pulping operations.