🔬 Overview of Standard D2186-05 ASTM D2186-05 (Reapproved 2009) provides standard test methods for determining deposit-forming impurities in steam. All determinations are performed on condensed steam samples. Test Methods A, B, and C measure total deposit-forming material, while Test Method…

📐 Scope and Significance This test method, designated D2177-99, provides a standardized approach to measure the ink absorption rate of blotting papers. It specifies the use of a standard writing ink at 23°C (73.4°F) and the time required for 1…

ASTM D2178/D2178M-15a (Reapproved 2021) is the standard specification for asphalt glass felt used in roofing and waterproofing. It covers the requirements for Types IV and VI glass felts that are impregnated with asphalt and used in built-up roofing and waterproofing…

📐 Apparatus and Specimen Specifications The test apparatus requires two metal plane parallel circular concentric faces. The movable platen has an area of 20 cm², and both platens must be parallel to within 0.1 mm. Specimens are prepared from sheets…

🔬 Test Scope and Fundamental Principles ASTM D2176-16 (Reapproved 2021) specifies the standard methodology for evaluating the folding endurance of paper and plastic films using the M.I.T.-type folding apparatus. Folding endurance is defined as the number of double folds a…

📐 Scope and Applicability This standard test method, designated D2171/D2171M, provides procedures for measuring the apparent viscosity of asphalt binder using vacuum capillary viscometers at a controlled temperature of 60°C [140°F]. It is applicable to materials with viscosities ranging from…

ASTM D2172/D2172M-24 defines standard test methods for the quantitative extraction of asphalt binder from asphalt mixtures and pavement samples. This testing is crucial for assessing mixture composition and ensuring material quality in construction. The aggregate recovered can be analyzed for…

📐 Scope and NLGI Consistency Classification The ASTM D217-21a test methods outline four standard procedures for measuring the consistency of lubricating greases using the cone penetration method. The penetration depth, measured in tenths of a millimetre (0.1 mm), determines the…

🔬 Scope, Materials, and Applicability Standard Test Method D2170/D2170M-24 defines the procedures for determining the kinematic viscosity of liquid asphalts, road oils, and distillation residues of liquid asphalts at 60 °C [140 °F], and for liquid asphalt binders at 135…

📐 Scope and Application (D2168-10) ASTM D2168-10 covers the essential practices for calibrating mechanical devices used in the laboratory compaction of soils and soil-aggregates. It is strictly applicable for equipment used in conjunction with standards such as Test Methods D698…

📜 Standard Overview and Significance The ASTM D2165-94 (Reapproved 2012) standard provides a definitive framework for assessing the pH of aqueous extracts derived from wool and similar animal fibers. This quantitative value serves as a direct indicator of the residual…

📐 Scope and Applicability of D2166 Standard D2166/D2166M-24 covers the determination of the unconfined compressive strength of cohesive soil in the intact, remolded, or reconstituted condition through strain-controlled application of the axial load. This test method provides an approximate value…

📐 Scope and Applicability for In-Place Density Testing ASTM D2167 – 15, formally the Standard Test Method for Density and Unit Weight of Soil in Place by the Rubber Balloon Method, establishes the procedure for determining the in-place density and…

ASTM D2164-83 defines methods for testing structural insulating roof deck, a laminated composite serving as finished ceiling, structural deck, and thermal insulation. Tests measure deflection and strength with the finished (ceiling) face in tension. Results are reported in inch-pound units,…

🏷️ Scope and Fundamental Principles of D2162-21 ASTM D2162-21 defines the standard practice for the basic calibration of master viscometers and viscosity oil standards. These primary references constitute the highest level of the metrological traceability chain for kinematic viscosity measurements.…

ASTM D2163-23™ is the definitive standard for the quantitative determination of individual hydrocarbons in liquefied petroleum (LP) gases and propane/propene mixtures using gas chromatography. It serves as a critical tool for producers, pipeline operators, and testing laboratories to verify product…

🔬 Test Principle and Scope (ASTM D2158-21) ASTM D2158-21 establishes a standardized gravimetric procedure for determining the presence of heavy, extraneous residues in Liquefied Petroleum (LP) Gases. The method specifically targets materials that do not volatilize at ambient temperatures, formally…