admin

The ASTM D140/D140M −16 (Reapproved 2023) standard, officially titled “Standard Practice for Sampling Asphalt Materials,” establishes essential procedures for obtaining representative samples of asphalt binders and related materials. This practice provides the framework for sampling at points of manufacture, storage,…

ASTM D1396 – 92 (Reapproved 1998) provides standardized procedures for the chemical analysis of poly(vinyl butyral) (PVB). These test methods, under the jurisdiction of Committee D-01 on Paint and Related Coatings, establish rigorous protocols for the quantitative determination of residual…

📋 Scope and Significance of D1397 ASTM D1397 – 93 (Reapproved 1998), developed under the jurisdiction of Subcommittee D01.33 on Polymers and Resins, outlines a standard test method for determining the unsaponifiable matter content in alkyd resins and their solutions.…

🛢️ Scope and Status of ASTM D1392–92 (1998) ASTM D1392–92, formally the Standard Specification for Safflower Oil, defines the quality requirements for safflower oil intended for use in protective coatings. Reapproved in 1998, this standard is under the jurisdiction of…

The ASTM D1394-76 standard, reapproved in 2020, provides standardized test methods for the chemical analysis of white titanium dioxide pigments. These methods are essential for quality control in the paint and related coatings industries. The standard covers procedures for determining…

ASTM D1388-23, the Standard Test Method for Stiffness of Fabrics, establishes standardized procedures for measuring the stiffness properties of textile fabrics. This test method covers the direct measurement of bending length and the subsequent calculation of flexural rigidity, offering two…

ASTM D1389-07 provides a standardized protocol for proof-voltage testing of thin solid electrical insulating materials at commercial power frequencies. This method is essential for evaluating the dielectric strength and integrity of insulating materials used in electrical applications, helping to ensure…

Standard Test Method D139-24, under the jurisdiction of ASTM Committee D04 on Road and Paving Materials, covers the float test for determining the consistency of asphalt materials. Values stated in SI units are regarded as standard. 📐 Apparatus and Specimen…

📐 Scope and Significance of the Acid Number Test Standard D1386-15 (Reapproved 2022) defines an empirical test method for determining the acid number of synthetic and natural waxes. The acid number, as defined in Section 3.1.1 of the standard, represents…

🧪 Test Principle and Scope of Application ASTM D1387‑89 (Reapproved 2019) standardizes the empirical determination of the saponification number for synthetic and natural waxes. This value is defined as the number of milligrams of potassium hydroxide (KOH) required to completely…