The ASTM D262-81 (Reapproved 1999) specification defines the rigorous requirements for the manufactured inorganic pigment known as ultramarine blue. Recognized for its distinctive hue and chemical stability, this pigment is primarily intended for use in architectural paints, industrial enamels, printing…

📐 Specimen Preparation and Requirements Test specimens are prepared on panels approximately 3 by 5 in. (75 by 125 mm) using white carrara glass or other specified substrates such as white ceramic tile or a white pigmented, light-stable coating. The…

📐 Test Overview and Significance ASTM D2617-24 outlines a standard test method for determining the total ash content in leather, which represents the approximate amount of nonvolatile inorganic material such as salts and oxides. The procedure involves igniting a test…

ASTM D2619‑21, the Standard Test Method for Hydrolytic Stability of Hydraulic Fluids (Beverage Bottle Method), specifies a stringent accelerated aging test to evaluate the resistance of hydraulic fluids to chemical decomposition in the presence of water. This method helps predict…

ASTM D2613-01 (Reapproved 2023) provides a standardized titrimetric procedure for the quantitative determination of calcium and zinc in pure liquid paint driers. It relies on the selective chelation of these metal ions using the disodium salt of ethylenediaminetetraacetic acid dihydrate…

📐 Scope and Summary of the Gray Scale Method ASTM D2616-19 defines a standard test method for the visual evaluation of color differences of non-self-luminous specimens using a dedicated painted gray scale. This method is structured around a nine-pair gray…

ASTM D261 – 75 (Reapproved 1999) provides the authoritative specification for the dry pigment known commercially as Prussian blue, Chinese blue, Milori blue, or iron blue. This standard is essential for ensuring consistent quality, purity, and performance evaluation of this…

ASTM D2612-99 (Reapproved 2024) provides a standardized static test method for measuring the cohesive properties of fibers in sliver and top forms. This test is critical for understanding how fibers will behave during drafting processes in textile manufacturing and is…

📐 Scope and Classification ASTM D2609-24, recognized as an American National Standard and approved for use by U.S. Department of Defense agencies, establishes the specifications for plastic insert fittings used in Polyethylene (PE) pressure piping systems. Per Section 1.1, this…

ASTM D2604-86 (Reapproved 2000) establishes the specification for high-boiling hydrocarbon solvents utilized in the formulation of oil-borne wood preservatives. These solvents function as the carrier medium for active biocides, most notably pentachlorophenol and copper naphthenate. The specification permits the solvent…

🧪 Test Method Overview and Significance The ASTM D2606-94 standard outlines a procedure for determining the solubility of pentachlorophenol (PCP) wood preservative in heavy hydrocarbon solvents. This test is essential for verifying that a given solvent possesses sufficient carrying capacity…

🛢️ Product Scope and Classification Boiled linseed oil is a treated drying oil widely used in paints, varnishes, and wood finishes. ASTM D260-86, reapproved in 2001, defines two specific types: Type I, Regular Boiled Linseed Oil, and Type II, Double…

🔬 Principle and Scope of D2603-20 ASTM D2603-20 covers the evaluation of the shear stability of an oil containing polymer in terms of the permanent loss in viscosity that results from irradiating a sample of the oil in a sonic…

📊 Scope and Compositional Limits ASTM D2597‑10 covers the gas chromatographic analysis of demethanized hydrocarbon liquid streams that contain nitrogen/air and carbon dioxide, including purity products such as ethane/propane mixtures. This test method is explicitly limited to mixtures containing less…

🧪 Scope and Application of ASTM D2598-21 ASTM D2598-21 provides a standardized practice for the approximate determination of critical physical properties of Liquefied Petroleum (LP) Gases through compositional analysis. This practice specifically covers the calculation of vapor pressure, relative density,…

📐 Scope and Test Principle ASTM D2595-22 provides a standardized method for determining the evaporation loss of lubricating greases across a wide temperature range. While Test Method D972 is limited to a maximum of 149 °C (300 °F), D2595-22 extends…

⚙️ Overview of the Four‑Ball EP Test Method ASTM D2596‑20 establishes a rigorous framework for evaluating the extreme‑pressure (EP) properties of lubricating greases using the Four‑Ball EP Tester. In this method, a rotating steel ball is pressed against three stationary…