Category ASTM Standards

ASTM D5502-21 provides a standardized method for determining the apparent density of core samples taken from manufactured anode and cathode carbon articles used in the aluminum production industry. The apparent density, defined as the mass per unit volume including inherent…

The ASTM D5500-20a standard outlines a rigorous vehicle test procedure for evaluating the intake valve deposit (IVD) formation tendencies of unleaded automotive spark-ignition engine fuels. Developed under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants…

📐 Scope and Applicability ASTM D5501-20 specifies a gas chromatographic method for determining ethanol and methanol content in hydrocarbon blends containing greater than 20% ethanol by mass. This test method applies to denatured fuel ethanol, ethanol fuel blends, and mid-level…

📐 Scope and Significance These test methods, designated D5499 – 94 (Reapproved 2021), are intended to evaluate the resistance of polymer linings applied to carbon steel substrates to elevated temperatures. The standard includes two separate methods: Test Method A for…

📋 Scope and Application of the Training Guide The ASTM D5498-12a (Reapproved 2018) standard serves as a critical framework for utilities and service companies tasked with developing robust training programs for coating and lining inspectors in nuclear facilities. Given the…

📐 Scope and Significance of In-Field Immersion Testing ASTM D5496-15 describes a standardized approach for conducting immersion testing of geosynthetics in field environments, such as geomembranes used in landfill liners. This practice is essential for evaluating material performance under actual…

ASTM D5497-94 (Reapproved 2005) establishes standardized terminology for the button industry, specifically defining terms for sew-through flange and shank buttons. Issued under the fixed designation D 5497, this standard was originally approved in 1994 and reapproved in 2005. The terminology…

🎯 Purpose and Operation of the COLIWASA The Composite Liquid Waste Sampler (COLIWASA) is a specialized tube-style device used to obtain a representative vertical column of liquid from waste containers. As established in ASTM D5495-21, this sampler is designed to…

🔍 Introduction and Scope of ASTM D5493-23 ASTM D5493-23 specifically addresses the standardized test method for determining the water permittivity behavior of geotextiles in a direction normal to the plane when subjected to specific normal compressive loads. Permittivity, quantified as…

📐 Scope and Specimen Requirements Standard D5494−93 (Reapproved 2023), under the jurisdiction of ASTM Committee D35 on Geosynthetics, specifies an index test method for determining the pyramid puncture resistance of unprotected geomembranes and geomembranes protected by nonwoven geotextiles or other…

📐 Test Method Overview This standard, ASTM D5492-17 (Reapproved 2024), specifies a test method for determining the 25 °C xylene-soluble fraction in polypropylene homopolymers and copolymers. It is technically equivalent to ISO 16152 and covers the gravimetric determination of soluble…

ASTM D5491-08 (Reapproved 2022) provides a systematic classification for post-consumer polyethylene (PE) film sources intended for recycling into molding and extrusion materials. The standard establishes source identification as the primary characteristic for determining material acceptability, rather than specifying end-use performance…