D4963 – Standard Test Method Technical Guide

📐 Scope and Specimen Classification The D4963/D4963M−22 standard defines a primary test method for determining the ignition loss of glass fiber textiles. It establishes a procedure applicable to a wide variety of products. As stated in the scope, this includes…

D4964-96 – Standard Test Method Technical Guide

📐 Scope and Field of Application ASTM D4964 – 96 (Reapproved 2020) establishes a standardized methodology for measuring the tension and elongation of elastic fabrics using a Constant-Rate-of-Extension (CRE) type tensile testing machine. The standard applies to both wide and…

D4962-18 – Standard Test Method Technical Guide

📐 Scope and Application ASTM D4962-18 standardizes the measurement of radionuclides in water using gamma-ray spectrometry with NaI(Tl) detectors. It applies to nuclides emitting gamma rays with energies greater than 50 keV. For typical systems, activity levels of about 40…

D4961-99 – Standard Test Method Technical Guide

ASTM D4961 – 99 defines standard test methods for determining major organic impurities in refined phenol produced via the cumene (isopropylbenzene) process. These methods are integral to process control and setting specifications for high-purity phenol. The standard employs two distinct…

D4959-24 – Standard Test Method Technical Guide

ASTM D4959-24 specifies a rapid method for determining the water content of soil utilizing direct heat sources such as hotplates, stoves, or blowtorches. This standard is designed as a time-saving alternative to Test Methods D2216 when expedited results are needed…

D4960-20 – Standard Test Method Technical Guide

📐 Scope and Significance of D4960-20 ASTM D4960-20 describes the instrumental determination of color for thermoplastic pavement marking materials using the CIE Y, x, y color measurement system (Scope, Section 1.1). The standard defines a thermoplastic pavement marking material as…

D4958-24 – Standard Test Method Technical Guide

🖌️ Scope and Significance of the Test This standard (D4958 −24) provides a standardized brushout procedure for comparing the brush drag of architectural latex paints. As defined in Section 3.1.1, brush drag is the resistance encountered when applying a coating…

D4956-19 – Standard Test Method Technical Guide

📐 Specification Scope and Sheeting Types This specification covers flexible, non-exposed glass-bead lens and microprismatic, retroreflective sheeting designed for use on traffic control signs, delineators, barricades, and other devices. This specification does not address inks, overlays, or other imaging methods…

D4957-18 – Standard Test Method Technical Guide

ASTM D4957-18 provides a standardized procedure for determining the apparent viscosity of asphalt emulsion residues and non-Newtonian asphalts. This test method utilizes a vacuum capillary viscometer to measure the flow behavior of these complex materials. Unlike conventional methods designed for…

D4955-89 – Standard Test Method Technical Guide

🔍 Scope and Significance of Practice D4955 ASTM D4955-89 (Reapproved 2021) establishes a standardized practice for the field evaluation of automotive polishes. As clearly stated in Section 1.1, the scope of this practice is strictly comparative, limited to assessing performance…

D4953-20 – Standard Test Method Technical Guide

📐 Scope and Applicability ASTM D4953-20 specifically addresses the measurement of vapor pressure for gasolines and gasoline-oxygenate blends using a dry method modification of the standard Reid procedure (D323). This test method is applicable to samples with a vapor pressure…

D4954-89 – Standard Test Method Technical Guide

🧪 Overview of the Test Method This test method, designated D4954-89 (Reapproved 2017), covers the determination of nitrilotriacetates (NTA) in detergents. The method is based on adding a known excess of copper nitrate solution to the sample under controlled pH…

D4952-23 – Standard Test Method Technical Guide

🧪 Overview and Scope of D4952-23 The D4952-23 standard, under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants, outlines the qualitative “Doctor Test.” Its primary purpose is the detection of mercaptans in motor fuel, kerosine,…

D4950-22 – Standard Test Method Technical Guide

🧩 Classification Categories and Service Applications ASTM D4950‑22, Standard Classification and Specification for Automotive Service Greases, defines the performance requirements for service‑fill greases used in passenger cars, trucks, and other vehicles. Developed cooperatively by ASTM, the National Lubricating Grease Institute…

D4951-14 – Standard Test Method Technical Guide

📐 Scope and Summary This test method standardizes the quantitative determination of additive elements—barium, boron, calcium, copper, magnesium, molybdenum, phosphorus, sulfur, and zinc—in unused lubricating oils and additive packages using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES). The method is…

D495-22 – Standard Test Method Technical Guide

🔍 Scope and Critical Limitations of ASTM D495-22 ASTM D495-22 provides a method for the preliminary differentiation of similar solid electrical insulating materials based on their resistance to a high-voltage, low-current arc applied close to the surface. The failure mechanism…