Category ASTM Standards

📐 Scope and Classification of Crosslinkable Ethylene Plastics ASTM D2647-18 (Reapproved 2024) provides a general classification system for crosslinkable ethylene plastics compounds. As stated in Section 1.1, the requirements specified are not necessarily directly suitable for determining the end-use suitability…

📐 Scope, Sampling, and Referenced Documents ASTM D2644 – 12 (Reapproved 2018) provides standardized tolerances for yarns spun on the woolen system, covering all fiber types and blends. The standard establishes benchmarks for yarn number, twist, breaking strength, extractable matter,…

📐 Scope and Applicability ASTM D2645 establishes standard tolerances for all yarns spun on the cotton or worsted systems. This includes both carded and combed yarns composed of any fiber or blend of fibers. The standard specifically excludes cotton tire…

🏗️ Classification and Terminology Framework This specification covers prefabricated bituminous geomembranes (PBGMs) designed to provide a continuous, exposed lining for canals and ditches. Materials are strictly classified into Type I, Type II, and Type III, with the distinction between these…

The ASTM D2638-24 standard specifies a test method for determining the real density (RD) of calcined petroleum coke using a helium pycnometer. As a key quality indicator, this method provides a precise measurement of the solid material’s density by excluding…

📐 Scope, Terminology, and Units of Measurement Standard D2639/D2639M – 24 covers the determination of the plastic behavior of coal using a constant-torque Gieseler plastometer. This test method provides a relative measure of plastic behavior and yields semiquantitative values critical…

The ASTM D2635-07 (Reapproved 2012) specification defines the quality and purity requirements for Methyl Isobutyl Carbinol (MIBC, also known as 4-methyl-pentanol-2). This standard is essential for formulators and quality assurance teams in the paint, varnish, lacquer, and related coatings industries…

🧪 Specification Scope and Referenced Documents This specification, designated ASTM D2636 −07 (Reapproved 2012), is issued under the jurisdiction of ASTM Committee D01 on Paint and Related Coatings, Materials, and Applications. It covers the requirements for hexylene glycol (2-methyl pentanediol-2,4)…

ASTM D2633-21 provides standardized test methods for evaluating thermoplastic insulations and jackets in wire and cable applications. These methods cover a range of physical, electrical, and thermal properties to ensure material performance and reliability. Where dual units are provided, the…

📝 Scope and Referenced Documents ASTM D2634-07 (Reapproved 2021) defines the specification for Methyl Amyl Acetate (95% Grade), also known as 4-methyl-2-pentyl acetate. This standard covers a medium-boiling solvent specifically intended for use in paints, varnishes, lacquers, and related coating…

🔬 Composition and Purity Limits ASTM D263-05 (Reapproved 2023) specifies that Chrome Oxide Green Pigment must consist of practically pure chromium sesqui-oxide (Cr₂O₃) without any admixture of other materials. The following conformance requirements are mandatory under the standard. 🟦 Property…

📏 Introduction and Scope of D2632-15 This standard, officially designated as D2632-15 (Reapproved 2024), defines the methodology for determining the impact resilience of solid rubber through a vertical rebound test. The core principle involves measuring the ratio of the rebound…