Category ASTM Standards

🏛️ Scope, Purpose, and Jurisdiction of D4485 – 24 ASTM D4485 – 24, officially titled Standard Specification for Performance of Active API Service Category Engine Oils, serves as the definitive reference for engine oil performance criteria under the jurisdiction of…

📐 Scope and Test Conditions This standard, D4486-23, specifies a test method for measuring the kinematic viscosity of transparent, Newtonian liquids that are volatile, reactive, or unstable. It is applicable up to 2 × 10−5 N/m2 (2 atm) pressure and…

ASTM D4483-20 serves as the definitive governing practice for evaluating the precision of test methods within the rubber and carbon black manufacturing industries. While it is built upon the foundational one-way analysis of variance (ANOVA) calculation algorithms of Practice E691,…

ASTM D4481‑21 specifies a gravimetric method for determining total nickel in fresh alumina‑base catalysts, covering NiO concentrations from 2.5 % to 60 % by weight. This standard facilitates reliable comparison of catalyst samples across laboratories, ensuring consistency in quality control. 📋 Scope…

📐 Scope and Key Terminology of D4482 ASTM D4482-11 (Reapproved 2021), titled Standard Test Method for Rubber Property—Extension Cycling Fatigue, provides a standardized procedure for determining the fatigue life of rubber compounds under repeated tensile-strain cycles. A critical requirement is…

ASTM D448-12 (Reapproved 2022) is a standard classification that defines aggregate size number designations and standard size ranges for mechanical sieve analyses of coarse aggregate and screenings used in highway and bridge construction. It is under the jurisdiction of ASTM…

📐 Scope and Application This specification establishes requirements and test methods for extruded single-wall soffit manufactured from rigid (unplasticized) PVC compound. It covers materials, dimensions, camber, impact strength, expansion, and appearance. The use of PVC recycled plastic is permitted in…

📋 Scope and Classification of Asbestos-Free Coatings ASTM D4479/D4479M establishes the requirements for asbestos-free asphalt roof coatings of brushing or spraying consistency. The standard classifies these coatings based on the properties of the asphalt base, ensuring the correct material is…

This standard, designated ASTM D4476/D4476M-14, outlines a specific procedure for determining the flexural properties of fiber-reinforced pultruded plastic rods. It utilizes a distinctive semicircular specimen geometry to obtain accurate flexural stress and strain values, specifically designed to overcome the limitations…

🧪 Scope and Material Classification ASTM D 4474 – 00 establishes a classification system for styrenic thermoplastic elastomer (TES) materials designed for injection molding and extrusion. These copolymers are characterized by polystyrene end-block segments bonded to rubbery mid-segments, which may…

This standard test method, designated D4475-21, outlines the procedure for determining the apparent horizontal shear strength of fiber-reinforced plastic rods using a short-beam configuration. Pultruded rod samples are loaded in a three-point bending fixture to induce a shear failure at…

📐 Overview and Scope ASTM D4473-08 (Reapproved 2021) specifies a test method for determining the cure behavior of thermosetting resins using dynamic-mechanical-oscillation instrumentation. It covers both unsupported resins and resins supported on substrates under various oscillatory deformations. The method is…