📐 Scope and Principle This test method, designated ASTM D4026-06 (Reapproved 2021), covers the determination of residual styrene monomer in styrene-butadiene (SBR) latex. The procedure is based on the direct injection of a diluted latex sample into a gas chromatograph.…

📐 Scope and Classification ASTM D4024‑22 covers machine‑made glass‑fiber‑reinforced thermosetting‑resin (RTRP) flanges, excluding contact‑molded types. It specifies requirements for materials, workmanship, performance, and dimensions. Flanges may be produced integrally with a pipe or fitting, with a socket for adhesive bonding,…

📐 Scope and Material Composition This specification, formally designated as Standard Specification for Coal Tar Roof Cement, Asbestos Containing under ASTM D4022/D4022M, establishes the requirements for cement used in trowel application for coal tar roofing and flashing systems. According to…

📐 Key Terminology for Humidity Measurements The ASTM D4023-82 standard provides essential definitions for humidity measurements. Absolute humidity (dv) is the ratio of the mass of water vapor mv to the total volume V of moist air, expressed as dv…

📐 Scope and Summary of the Distillation Test The D402/D402M-24 test method provides a standardized distillation procedure for cutback asphalts, focusing on the determination of volatile constituents. The values in this standard are expressed in either SI units or inch-pound…

🧪 Scope and Material Definition ASTM D4020-18 provides a standardized specification for the identification of virgin, natural color, unmodified homopolymer ultra-high-molecular-weight polyethylene (UHMWPE) molding and extrusion materials. Its primary purpose is to offer a framework for sellers and purchasers to…

🔬 Summary of Test Method and Scope ASTM D 4019 – 94a defines a standard procedure for determining moisture in plastics using coulometric regeneration of phosphorus pentoxide (P₂O₅). The method is applicable for moisture contents © 2026 TNLab — This…

📐 Scope and Material Applicability This test method is applicable to all paints and paint materials, including resins, monomers, and solvents, with the exception of aldehydes and certain active metals, metal oxides, and metal hydroxides. The evaluation was limited to…

📐 Specimen Preparation and Configuration According to D4018-23, tensile testing is performed on resin-impregnated and consolidated specimens made from continuous filament carbon and graphite yarns, rovings, and tows. This method ensures uniform load transfer for accurate tensile property evaluation. The…

🔬 Scope and Summary of Test Method This test method, designated under ASTM D4016 – 14, establishes the laboratory procedure for determining the viscosity of catalyzed chemical grouts using a rotational (Brookfield-type) viscometer. The method is specifically calibrated for a…

📐 Scope, Types, and Terminology ASTM D4014-23 defines the requirements for bearings used in bridge construction. These components can be composed entirely of elastomer (plain elastomeric bearings) or consist of alternating laminates of elastomer and steel reinforcement (steel-laminated elastomeric bearings).…

📐 General Principles and Device Configurations ASTM D4015-21 establishes standardized methods for determining the shear modulus and shear damping of soils using fixed-base resonant column devices. The procedures cover solid cylindrical specimens in either intact or reconstituted conditions and rely…

📐 Scope and Methodology Overview ASTM D4012−23a establishes a standardized protocol for capturing, extracting, and quantifying cellular adenosine triphosphate (cATP) from microorganisms found in laboratory cultures, plankton, and periphyton samples from water. The test method is a cornerstone for assessing…

ASTM D4013-09 defines a standardized practice for preparing 4-in. (101.6 mm) diameter cylindrical specimens of bituminous mixtures using a Gyratory Shear Compactor. The method is intended for mixtures containing aggregate up to −7⁄8-in. (−22.4 mm). The compaction process simulates the…

📖 Scope and Significance of ASTM D4009-92 ASTM Designation D4009-92 (Reapproved 2023) establishes a standardized guide for evaluating the foam stability of light-duty hand dishwashing detergents. The test methodology involves washing artificially soiled dinner plates by hand in a standardized…

📐 Scope, Accuracy, and Standard Designation Designation D4007-22, formally known as API MPMS Chapter 10.3, defines the laboratory centrifuge procedure for determining water and sediment in crude oils. It is a joint standard under the jurisdiction of ASTM D02 and…

🧪 Scope and Referenced Standards of D4008-19 ASTM D4008‑19 (Reapproved 2024) provides a standardized laboratory guide for measuring the ability of laundry detergents to prevent the deposition of soils onto fabrics. This test is essential for detergent formulation, quality control, and…