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D1828-01 – Standard Test Method Technical Guide

ASTM D1828-01 (Reapproved 2021) establishes a standardized procedure for the direct exposure of adhesive-bonded joints and structures to natural atmospheric environments. This practice is strictly limited to the methodology of exposure setup and does not prescribe the specific tests used…

D1824-24 – Standard Test Method Technical Guide

📐 Scope, Terminology, and Applicability ASTM D1824 – 24, “Standard Test Method for Apparent Viscosity of Plastisols and Organosols at Low Shear Rates,” defines the protocol for measuring the flow properties of specialized dispersions. Under the jurisdiction of ASTM Committee…

D1825-03 – Standard Test Method Technical Guide

🔬 Scope and Significance of Standardized Etching ASTM D1825-03 outlines a controlled laboratory procedure for etching and cleaning copper-clad electrical insulating materials and thermosetting laminates intended for rigorous electrical testing. As detailed in Section 3.1, the etching process profoundly influences…

D1826-94 – Standard Test Method Technical Guide

ℹ️ Scope and Core Definitions ASTM D1826‑94 (Reapproved 2017), formally designated Standard Test Method for Calorific (Heating) Value of Gases in Natural Gas Range by Continuous Recording Calorimeter, provides the definitive procedure for determining the total heating value of gaseous…

D1822-21 – Standard Test Method Technical Guide

📐 Test Method and Specimen Setup This test method, designated D1822-21, covers the determination of the energy required to rupture standard tension-impact specimens of plastic materials. The energy is delivered by a single swing of a calibrated pendulum in a…

D1823-24 – Standard Test Method Technical Guide

📐 Scope and Terminological Framework Standard D1823 − 24, under the jurisdiction of ASTM Subcommittee D20.15 on Thermoplastic Materials, defines a definitive test method for determining the apparent viscosity of plastisols and organosols under high shear rate conditions using an…

D1820-95 – Standard Test Method Technical Guide

📐 Overview and Scope ASTM D1820-95 provides a standardized method for quantifying hydrolyzable chlorine compounds in chlorinated aromatic hydrocarbons, commonly known as askarels. The test measures chloride ions obtained after methanolic sodium hydroxide hydrolysis, reported in parts per million (ppm),…

D1821-95 – Standard Test Method Technical Guide

📐 Test Method Summary and Scope This test method, designated D 1821-95, covers the determination of inorganic chloride ions in askarels over the range of 0.02 to 100 ppm. The method employs potentiometric titration in an essentially nonaqueous medium to…

D1815-00 – Standard Test Method Technical Guide

📐 Scope and Significance This standard, designated ASTM D1815‑00 (Reapproved 2021), covers the determination of the amount of water absorbed by leather at 23 ± 2 °C by immersion under static conditions. It is particularly adapted for vegetable‑tanned sole leather…