D3841-21 – Standard Test Method Technical Guide

ASTM D3841-21, an American National Standard, provides a comprehensive specification for glass-fiber-reinforced polyester plastic panels used in construction. It covers classification, materials, workmanship, minimum physical requirements, and testing methods. The standard is approved for use by U.S. Department of Defense…

D3843-16 – Standard Test Method Technical Guide

ASTM D3843-16 (Reapproved 2021) establishes quality assurance requirements for protective coatings applied to nuclear facilities. It specifically applies to Coating Service Level I areas as defined in Guide D5144, replacing the former ANSI N101.4 standard while incorporating technological advancements and…

D3839-14 – Standard Test Method Technical Guide

ASTM D3839-14 (Reapproved 2019) provides a comprehensive standard guide for the underground installation of “Fiberglass” (Glass-Fiber Reinforced Thermosetting-Resin) pipe. It establishes procedures for the burial of both pressure and nonpressure piping systems in typically encountered soil conditions, offering critical recommendations…

D3840-24 – Standard Test Method Technical Guide

📐 Scope and Classification of Nonpressure Fiberglass Fittings ASTM D3840-24 establishes the standard specification for fiberglass pipe fittings intended strictly for nonpressure, gravity flow systems. This includes applications such as conveying sanitary sewage, storm water, and compatible industrial wastes. The…

D3837-95 – Standard Test Method Technical Guide

The ASTM D3837 −95 (Reapproved 2019) standard, issued under the jurisdiction of ASTM Committee D21 on Polishes and Subcommittee D21.02 on Raw Materials, defines the procedure for preparing solutions of alkali-soluble resins in aqueous ammonia. This practice is essential for…

D3838-23 – Standard Test Method Technical Guide

🧪 Test Overview and Significance ASTM D3838-23 provides a standardized test method for the determination of the pH of a water extract of activated carbon. This characteristic is a significant parameter when assessing activated carbon, as it heavily influences chemical…

D3835-24 – Standard Test Method Technical Guide

📐 Scope and Applicable Materials This test method, designated D3835‑24, covers the measurement of rheological properties of polymeric materials at various temperatures and shear rates common to processing equipment. It is specifically intended for quality control tests on both reinforced…

D3836-13 – Standard Test Method Technical Guide

📐 Scope and Significance ASTM D3836-13 (Reapproved 2021) establishes a standard practice for evaluating the performance of automotive polishes, including products commonly referred to as car/auto wax, cleaner wax, and polish. The practice covers the testing properties, apparatus, and comparisons…

D3834-93 – Standard Test Method Technical Guide

📊 Scope and Significance of the Test Method ASTM D3834-93 outlines a standard gas chromatography (GC) technique designed to determine the purity of Vinyl Chloride Monomer (VCM). The method leverages the general availability and inherent sensitivity of GC to detect…

D3832-79 – Standard Test Method Technical Guide

🏷️ Standard Scope and Classification System The ASTM D3832-79 (Reapproved 2022) standard specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. The standard establishes a clear classification system…

D3833 – Standard Test Method Technical Guide

ASTM D3833/D3833M – 96 (Reapproved 2019) provides a standardized procedure for determining the water vapor transmission rate (WVTR) of pressure-sensitive tapes. This method is critical for evaluating the barrier properties of tapes used in packaging and other applications where moisture…

D3829-20 – Standard Test Method Technical Guide

ASTM D3829-20 predicts the Borderline Pumping Temperature (BPT) of engine oils. This method evaluates low-temperature pumpability using a 16 h cooling cycle over a 0 °C to −40 °C temperature range. 📐 Scope, Units, and Precision The scope of D3829-20…

D3831-22 – Standard Test Method Technical Guide

🔬 Overview and Scope ASTM D3831-22 specifies a standard method for determining the total manganese content in gasoline, specifically targeting methylcyclopentadienyl manganese tricarbonyl (MMT). The test method employs atomic absorption spectroscopy (AAS) with an air-acetylene flame at a wavelength of…

D3827-92 – Standard Test Method Technical Guide

ASTM D3827-92 (Reapproved 2020) specifies a standardized procedure for estimating the equilibrium solubility of common gases in a range of organic liquids. The method is primarily designed for petroleum and synthetic lubricants, fuels, and solvents, operating under the principles of…

D3828-16 – Standard Test Method Technical Guide

The ASTM D3828-16 standard, formally designated D3828 − 16a (Reapproved 2021), provides test methods for flash point determination of petroleum products and biodiesel liquid fuels using a small scale closed cup tester. With a temperature range of −30 °C to…

D3826-18 – Standard Test Method Technical Guide

📐 Scope and Applicability ASTM D3826-18 specifies a standardized practice for determining the degradation end point—defined as a brittle point—in degradable polyethylene and polypropylene films and sheeting. This practice is strictly applicable to materials with a thickness of less than…

D3824-20 – Standard Test Method Technical Guide

📖 Scope and Principle of the Method ASTM D3824-20 provides standard test methods for the continuous measurement of oxides of nitrogen in ambient and workplace atmospheres. The methods are based on the chemiluminescent reaction between nitric oxide (NO) and ozone…