This document contains a number of identification markings with their sorting and recycling systems which are successfully used in some countries and regions.
DIN ISO/TR 18568:2021 history
2021DIN ISO/TR 18568:2021-12 Packaging and the environment - Marking for material identification (ISO/TR 18568:2021)
2021DIN ISO/TR 18568:2021 Packaging and the environment - Marking for material identification (ISO/TR 18568:2021)