ASTM D1238 Standard Test Method for Flow Rates of Thermoplastics by Extrusion Plastometer*, 1990-12-23 Update
ASTM D1505 Standard Test Method for Density of Plastics by the Density-Gradient Technique*, 1998-12-23 Update
ASTM D1531 Standard Test Methods for Relative Permittivity (Dielectric Constant) and Dissipation Factor by Fluid Displacement Procedures*, 1995-12-23 Update