The ASTM D3351-93 standard establishes a test method for quantifying the number of gels in plastic film. Gels, defined as nodules of oxidised or high-molecular-weight material, are objectionable due to their impact on film appearance and printability. This method uses…

ASTM D3348-12 (Reapproved 2017) provides a standardized procedure for the rapid colorimetric determination of trace lead in unleaded gasoline. Designed specifically for field use by nontechnical personnel, this method leverages a chemical extraction reaction combined with a standard test kit…

ASTM D3349-21 provides a standardized method for measuring the light transmitted through films of ethylene polymer materials pigmented with carbon black. By calculating the absorption coefficient from this transmission data and film thickness, manufacturers can effectively evaluate the dispersion quality…

📐 Scope and Significance of Delta Mooney Testing ASTM D3346-17 (Reapproved 2022) provides standardized empirical test methods for assessing the processability of non-pigmented emulsion styrene-butadiene rubbers (SBR) using the Mooney shearing disk viscometer. The Delta Mooney (ΔMooney) measurements obtained are…

📐 Overview and Significance This test method, designated D 3347 – 94, is standardized under ASTM Committee D-9 on Electrical and Electronic Insulating Materials. It is used to determine the flow rate and tap density of granular electrical grade magnesium…

The ASTM D3343-22 standard provides an empirical method for estimating the hydrogen content (mass percent) of aviation fuels, including aviation gasolines and aircraft turbine/jet engine fuels such as Jet A, Jet A-1, Jet B, JP-4, JP-5, JP-7, and JP-8. The…

📐 Specimen Preparation and Geometry ASTM D3344‑90 (Reapproved 2021) provides a definitive test method for determining the total wax content in wax‑treated corrugated paperboard. The procedure is applicable to specimens that have been waxed by impregnation (saturation), coating operations, or…

ASTM D3345-22 specifies a standardized laboratory procedure for evaluating treated or untreated wood for resistance to subterranean termites. Developed by ASTM Committee D07, this method functions as an essential screening tool for the wood preservation industry. Because it is a…

📐 Scope and Significance The ASTM D3341-16 standard specifies a test method for determining total lead in gasoline containing lead alkyl additives. This method is crucial for evaluating antiknock properties and applies to concentrations from 0.026 g to 1.3 g…

ASTM D3342-22 establishes a standardized protocol for evaluating the dispersion stability of new (unused) rolling oil dispersions in water. This method is essential for differentiating coolant formulations used in steel and aluminum rolling mills to ensure optimal lubrication and cooling…

🧪 Understanding & Applying ASTM D3339-21: Semi-Micro Acid Number Determination The ASTM D3339-21 standard defines a semi-micro color indicator titration method for determining the acid number of petroleum products and lubricants. It is specifically designed for situations where sample volume…

🔬 Test Method Summary and Significance ASTM D3340-07 describes a standard procedure for determining the concentration of lithium and sodium in lubricating greases using flame photometry. The test involves converting the grease to a sulfated ash, which is subsequently extracted…

📐 Scope and Applicability This test method covers the estimation of the net heat of combustion of aviation gasolines and aircraft turbine and jet engine fuels. It is applicable to liquid hydrocarbon fuels that conform to specifications for Jet A,…

🛢️ Overview and Scope of ASTM D3336-20b ASTM D3336-20b defines a standard test method for evaluating the performance and operational life of lubricating greases in ball bearings operating under light loads, at high rotational speeds, and at elevated temperatures. The…

📐 Test Apparatus and Bearing Specifications ASTM D3337-91 (Reapproved 2002) provides a standardized procedure for evaluating the life and running torque of lubricating greases in small ball bearings. The test utilizes a specifically defined apparatus and a new R-4 bearing…

📜 Scope and Principle of ASTM D3333-07 (2024) This standard practice, officially designated as D3333-07 (Reapproved 2024), defines a rigorous procedure for the division of shipments of manufactured staple fiber, sliver (or top), or tow into representative lots and the…

🔬 Scope and Summary of Test Method ASTM D3335-85a (Reapproved 2020) provides a standardized procedure for determining low concentrations of heavy metals in coatings. The method targets lead (0.01 % to 5 %), cadmium (50 to 150 ppm mg/kg), and…