Category ASTM Standards

🔬 Scope and Applicability The D5739-06 (Reapproved 2020) standard practice utilizes gas chromatography and positive ion electron impact low resolution mass spectrometry (GC/MS) to analyze and compare petroleum oil spills with their suspected sources. This method is explicitly designed for…

📏 Scope and Application of Well Discharge Methods ASTM D5737/D5737M‑19, formally titled the Standard Guide for Methods for Measuring Well Discharge, provides a critical framework for the in‑situ determination of hydraulic properties of aquifer systems. This guide specifically covers methods…

📐 Specimen Geometry and Conditioning This article details the procedure for ASTM Designation D 5735 – 95 (Reapproved 2001), which specifies the Standard Test Method for Tearing Strength on Nonwoven Fabrics by the Tongue (Single Rip) Procedure. The test specimen…

📐 Scope and Terminology This test method describes the measurement of thickness of highloft nonwoven fabrics. For thickness of nonwoven fabrics other than highloft, see Test Method D5729. Highloft nonwoven fabrics are low‑density fiber network structures characterized by a high…

📋 Test Overview and Scope This test method, ASTM D5734-95 (Reapproved 2001), covers the measurement of the average force required to propagate a single-rip tear starting from a cut in a nonwoven fabric using a falling-pendulum (Elmendorf) apparatus. It applies…

📐 Specimen Preparation and Directional Axes This standard test method (D5732) is designed to determine the stiffness properties of most nonwoven fabrics, including those that are heavily sized, coated, or resin-treated. The test utilizes a rectangular specimen strip precisely cut…

📐 Specimen Geometry and Preparation This test method employs a precisely defined trapezoidal specimen to ensure consistent stress concentration during tear propagation. The rectangular blank for the specimen must be cut to 150 mm in length and 75 mm in…

ASTM D5731-16 establishes the guidelines for determining the point load strength index of rock, serving as a fundamental index test for classifying rock strength. Its design allows for rapid application in both field and laboratory settings using a portable testing…

🧪 Overview of ASTM D573-04 (Reapproved 2019) ASTM D573-04 is a standardized laboratory procedure used to determine the influence of elevated temperature on the physical properties of vulcanized rubber. By exposing rubber specimens to the deteriorating influence of air at…

The ASTM D5730-04 guide serves as the definitive roadmap for conducting environmental site characterizations. It provides a systematic approach for investigating the subsurface, with a primary focus on soil, rock, the vadose zone, and ground water. As a guide standard,…

ASTM D5729-97 (Reapproved 2004) provides a standardized procedure for measuring the thickness of nonwoven fabrics under a specified pressure. This test method is integral to acceptance testing of commercial shipments and serves as a fundamental quality control measure in the…

ASTM D5728-12 (Reapproved 2020), titled “Standard Practices for Securement of Cargo in Intermodal and Unimodal Surface Transport,” provides a critical framework for shippers, carriers, and consignees. It establishes safe and effective practices for load planning, loading, blocking, and bracing across…