) classifies plastic parts into different Tolerance Groups (TGs) based on their complexity and the precision required:

Highly restricted previews of the standard's scope and terms are available on the ISO Online Browsing Platform (OBP) . Understanding TG5 in ISO 20457

: Polymers without solid additives are evaluated based on their stiffness and hardness levels to determine their achievable tolerance group. Processing Shrinkage ( cap V cap S

Iso 20457 Tg5