STM PDF

Standard Practice for Nondestructive Testing (NDT) for Determining the Integrity of Seams Used in Joining Flexible Polymeric Sheet Geomembranes. Original standard ASTM D4437/D4437M-16 (2023) in PDF full version. Additional info + preview on request

Document status: Active

Standard Test Method for Particle Size Distribution of Catalysts and Catalyst Carriers by Electronic Counting. Original standard ASTM D4438-24 in PDF full version. Additional info + preview on request

Document status: Active

Standard Terminology for Geosynthetics. Original standard ASTM D4439-25 in PDF full version. Additional info + preview on request

Document status: Replaced by St ASTM D4439-25a

Standard Test Methods for Chemical Analysis of Zinc Yellow Pigment (Zinc Chromate Yellow). Original standard ASTM D444-88 (2020) in PDF full version. Additional info + preview on request

Document status: Active

Standard Test Method for Plastics- Dynamic Mechanical Properties Melt Rheology. Original standard ASTM D4440-23 in PDF full version. Additional info + preview on request

Document status: Active

Standard Specification for Aqueous Dispersions of Polytetrafluoroethylene. Original standard ASTM D4441-20 in PDF full version. Additional info + preview on request

Document status: Replaced by St ASTM D4441-20 (2025)