Category ASTM Standards

ASTM D1751-23 defines the standard specification for preformed expansion joint fillers used in concrete paving and structural construction. Classified as the nonextruding and resilient asphalt type, these fillers are designed to accommodate thermal expansion and contraction while resisting extrusion and…

ASTM D1747-09 (Reapproved 2019) outlines the standard test method for determining the refractive index of transparent, light-colored viscous hydrocarbon liquids and melted solids. This test method is critical for material identification, purity assessment, and quality control in petroleum and chemical…

📐 Scope and Significance of the Humidity Test ASTM D1748-24 provides a standardized methodology for evaluating the rust-preventive properties of metal preservatives under conditions of persistent high humidity. The test exposes prepared steel panels coated with a metal preservative to…

📐 Scope, Apparatus, and Specimens ASTM D1743-22 (Standard Test Method for Determining Corrosion Preventive Properties of Lubricating Greases) differentiates the corrosion-preventive capabilities of lubricating greases. Based on CRC Technique L 412, this method correlates laboratory results with the performance of…

🧪 Test Method Scope and Significance ASTM D1744-13 specifies the standard procedure for quantifying water content in liquid petroleum products within a defined concentration range. The method employs a direct volumetric Karl Fischer titration to an electrometric endpoint, providing a…

The ASTM D1746−23 standard specifies a test method for measuring the transparency of plastic sheeting in terms of regular transmittance (Tr). This method is primarily intended for nominally clear and colorless thin sheeting and provides a quantitative measure of see-through…

🔬 Test Principle and Apparatus The ASTM D1740-01 test method covers the measurement of flame radiation characteristics of aviation turbine fuels and other similar distillate fuels. The core result is expressed as a Luminometer Number, defined as a measure of…

📐 Scope and Significance of the Test ASTM D1742-24 provides a standardized method for evaluating the tendency of a lubricating grease to separate oil during storage, a critical property for maintaining grease integrity in both normally filled and partially filled…

📋 Introduction and Scope ASTM D1735-21 provides a standardized practice for evaluating the water resistance of coatings using a water fog (fog spray) apparatus. This method is designed to assess how coatings perform under a controlled condensing fog environment, similar…

ASTM D1739-98 (Reapproved 2017) provides a straightforward, standardized procedure for collecting and measuring settleable particulate matter, or dustfall, from the ambient atmosphere. Designed for long-term trend analysis, this passive method specifies the use of standard cylindrical containers exposed for approximately…

📋 Scope and Types of Surface Preparations These practices describe procedures for the preparation of hot-dip aluminum surfaces for painting. The standard covers two types of surface preparations: Solvent Cleaning and Chemical Treatments. Service conditions will dictate the type of…

🛡️ Understanding the Two Classes of Conversion Coatings ASTM D1732-03 defines two primary classes for preparing magnesium alloy surfaces for painting. Class I encompasses chemical treatments, while Class II includes anodic treatments. The standard explicitly states that anodic treatments generally…