Iso 20457 Tg5 May 2026

ISO 20457 is a guideline, not a mandate. Many small-to-medium recyclers cannot afford the laboratory equipment (e.g., melt flow indexers, gas chromatography for odour) required for full TG5 compliance. Consequently, much of the global recycling trade still operates on informal specifications.

: General tolerance groups for less critical components where higher deviations are acceptable. Key Factors Influencing TG5 Classification