Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
This article provides a technical overview of ASTM D5994/D5994M-10 (Reapproved 2021), the standard test method specifically designed for measuring the core thickness of textured geomembranes. This procedure is distinct from standard thickness measurements as it accounts for and isolates the…
ASTM Standard D5992 −96 (Reapproved 2024), formally titled Standard Guide for Dynamic Testing of Vulcanized Rubber and Rubber-Like Materials Using Vibratory Methods, provides a comprehensive framework for measuring the dynamic mechanical properties of elastomers. This guide encompasses everything from fundamental…
The standard ASTM D5993-18 (Reapproved 2022) provides a standardized laboratory procedure for determining the mass per unit area of geosynthetic clay liners (GCLs), including multicomponent GCLs. This fundamental index property is critical for quality control and manufacturing verification. This article…
📋 Overview and Scope This standard practice, designated D5991-23, covers four procedures for the separation and qualitative identification of poly(vinyl chloride) (PVC) contamination in poly(ethylene terephthalate) (PET) flakes. Although not presented as a quantitative method, these procedures can yield quantitative…
ASTM D5989-18 provides a comprehensive specification for extruded and monomer cast shapes made from nylon (PA), covering material, dimensions, workmanship, and properties. It applies to sheet, plate, rod, and tubular bar, excluding pipe and fittings. This standard is intended to…
ASTM D5990-20a establishes a standard classification system for polyketone (PK) injection molding and extrusion materials. This system provides a structured framework for specifying virgin PK materials based on key mechanical, thermal, and physical properties, using a line callout format derived…
🌱 Test Overview and Scope The ASTM D5988-18 standard, officially titled “Standard Test Method for Determining Aerobic Biodegradation of Plastic Materials in Soil,” provides a definitive laboratory protocol to evaluate the rate and degree of aerobic biodegradation of plastic materials…
ASTM D5987‑96 (Reapproved 2015) provides a definitive test method for the determination of total fluorine in coal and coke. It utilizes pyrohydrolytic extraction to separate fluorine from the sample matrix, followed by quantification via ion‑selective electrode (ISE) or ion chromatography…
The ASTM D5986-23 standard specifies a gas chromatography/Fourier transform infrared spectroscopy (GC/FTIR) method for determining oxygenates, benzene, toluene, C8–C12 aromatics, and total aromatics in finished motor gasoline. This method is crucial for regulatory compliance and fuel quality assessment. 📐 Scope…
ASTM D5984-23 defines a standardized procedure for the semi-quantitative field determination of base number (BN) in new and used lubricants. Employing a pre-packaged test kit, this method utilizes a color-indicator micro-titration to assess basic constituents directly in the field or…