Percent fillers added to resin,not including fillers derived

Percent fillers added to resin,not including fillers derived from post- consumer plastic什麽意思?
1.Percent fillers added to resin,not including fillers derived from post- consumer plastic
2.Percent Post-Consumer Recycled Plastic Content
3.Percent Biobased/
Renewable Plastic Content这三句话翻译成中文是什麽意思?