D3950-23 – Standard Test Method Technical Guide

📦 Scope and Governing Documents ASTM D3950-23 establishes the standard specification for nonmetallic strapping and the joining methods used for closing, reinforcing, bundling, unitizing, palletizing, and bracing loads for shipment via car or truck. The standard applies to various material…

D3951-18 – Standard Test Method Technical Guide

ASTM D3951-18 (Reapproved 2023) establishes the minimum requirements for the commercial packaging of supplies and equipment. This practice is intended to serve as a direct reference for procurement contracts, ensuring articles arrive at their destination in good condition through standard…

D3949-99 – Standard Test Method Technical Guide

📐 Product Classification and Coating Types ASTM D3949-99 specifies woven glass fabric coated with fully cured oleoresinous varnish, epoxy resin, polyurethane resin, or polyester resin. This standard excludes coated polyester-glass fabric and glass fabric coated with silicone resins and elastomers.…

D395-18 – Standard Test Method Technical Guide

📐 Overview of ASTM D395-18 Test Methods ASTM D395-18, titled “Standard Test Methods for Rubber Property—Compression Set,” provides standardized procedures for evaluating the ability of vulcanized rubber to retain elastic properties after prolonged exposure to compressive stresses. The standard is…

D3948-22 – Standard Test Method Technical Guide

📐 Test Method Overview and Applications ASTM D3948 −22 defines a standard procedure for determining the water separation characteristics of aviation turbine fuels using a portable separometer. This method offers a rapid solution for both field and laboratory use, rating…

D3944-12 – Standard Test Method Technical Guide

📐 Scope and Terminology ASTM D3944-12 (Reapproved 2017) establishes a rapid procedure for determining the solidification point of petroleum wax. The solidification point is specifically defined as the temperature in the cooling curve where the slope first changes significantly as…

D3946-92 – Standard Test Method Technical Guide

🛡️ Scope and Significance of D3946-92 This test method, D3946 – 92 (Reapproved 1997), establishes a standardized laboratory procedure for evaluating the relative bioresistance of water-dilutable metalworking fluids. The method challenges a fluid sample with a biological inoculum prepared from…

D3942-19 – Standard Test Method Technical Guide

🔬 Scope, Sample Types, and Unit Cell Range This standard test method, designated ASTM D3942-19, specifically covers the determination of the unit cell dimension for zeolites possessing the faujasite crystal structure. This includes synthetic zeolites Y and X, their various…

D3943-21 – Standard Test Method Technical Guide

🧪 Overview and Scope ASTM D3943-21 defines a standard redox titration method for determining the total molybdenum content in fresh alumina-base catalysts. It is specifically designed for samples where the molybdenum concentration, expressed as molybdenum trioxide (MoO3), falls within the…

D3941-20 – Standard Test Method Technical Guide

ASTM D3941-20, formally known as the Standard Test Method for Flash Point by the Equilibrium Method With a Closed-Cup Apparatus, provides a refined technique for determining the flash point of liquids. Developed under the jurisdiction of ASTM Committee D01 on…

D3938-18 – Standard Test Method Technical Guide

📖 Overview and Scope of ASTM D3938-18 ASTM D3938-18 (Reapproved 2023) serves as the definitive guide for manufacturers, distributors, and importers tasked with determining or confirming appropriate care instructions for textile products. As specified in Section 1.1, this guide applies…

D3939 – Standard Test Method Technical Guide

📐 Scope and Applicability The ASTM D3939/D3939M −13 (Reapproved 2017) standard is specifically designed to determine the snagging resistance of fabrics using the Mace test method. According to Section 1.1, its primary function is the evaluation of a fabric’s ability…

D3936-21 – Standard Test Method Technical Guide

ASTM D3936‑21 defines a standardized procedure for measuring the resistance to delamination of the secondary backing applied to pile yarn floor coverings. This test is essential for evaluating the construction integrity and long‑term durability of tufted carpets during manufacturing and…

D3937-12 – Standard Test Method Technical Guide

ASTM D3937-12 (Reapproved 2024) specifies the standard test method for determining the crimp frequency of manufactured staple fibers, applicable to fibers whose crimp can be viewed two-dimensionally as a sine-wave configuration. This article details the three testing options, procedural requirements,…

D3934-20 – Standard Test Method Technical Guide

🔬 Introduction and Scope of D3934-20 ASTM D3934-20, officially designated as the “Standard Test Method for Flash/No Flash Test—Equilibrium Method by a Closed-Cup Apparatus,” is a critical standard used by government departments and agencies to determine whether liquids are flammable…

D3935-21 – Standard Test Method Technical Guide

📐 Scope and Classification System Overview ASTM D3935‑21 establishes a classification system for unfilled and reinforced polycarbonate (PC) and polycarbonate copolymer materials. The standard covers compositions suitable for injection molding, blow molding, and extrusion, while some grades may also be…

D3933-98 – Standard Test Method Technical Guide

📐 Scope and Significance of Phosphoric Acid Anodizing (PAA) This standard guide, designated as D3933 – 98 (Reapproved 2017), specifically describes the requirements for phosphoric acid anodizing of aluminum and its alloys intended for structural adhesive bonding. The procedure outlined…