D4000-23

Standard Classification System for Specifying Plastic Materials

D4066-13(2025)

Standard Classification System for Nylon Injection and Extrusion Materials (PA)

D5947-24

Standard Test Methods for Physical Dimensions of Solid Plastics Specimens

D618-21

Standard Practice for Conditioning Plastics for Testing

D647-88A

Practice for Design of Molds for Test Specimens of Plastic Molding Materials (Withdrawn 1994)

E691-23

Standard Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method

D883-26a

Standard Terminology Relating to Plastics (Includes all amendments and changes 6/15/2026).