D4979-19 – Standard Test Method Technical Guide

📋 Scope and Significance of Physical Screening ASTM D4979-19, Standard Practice for Physical Description Screening Analysis in Waste, provides a rapid but effective method for identifying wastes by describing their physical properties. This practice is designed for visually screening wastes…

D4980-89 – Standard Test Method Technical Guide

ASTM D4980-89 (Reapproved 2003) establishes two standardized screening procedures for determining the pH of hazardous waste materials. Designed for liquids, sludges, semisolids, and solids, these methods serve as a critical preliminary step in waste characterization, enabling rapid assessment of acidity…

D4978-16 – Standard Test Method Technical Guide

🧪 Scope and Application These test methods are applicable to the screening of reactive sulfides in waste materials including liquids, sludges, semisolids, and solids. They are designed as a preliminary test to complement more sophisticated quantitative analytical techniques and are…

D4977 – Standard Test Method Technical Guide

🧪 Overview and Significance This test method, designated as D4977/D4977M-20 (Reapproved 2025), is used to determine the adhesion of granules to mineral-surfaced roofing materials through abrasion. The primary purpose is to assess the quality of granule adhesion to the coating…

D4975-14 – Standard Test Method Technical Guide

📐 Scope and Significance of D4975-14 ASTM D4975-14 provides standardized test methods specifically designed for single-filament steel wires used as components in tire beads for pneumatic tires. By agreement between the purchaser and supplier, these methods can also be applied…

D4976-12 – Standard Test Method Technical Guide

📜 Scope and Application of D4976 ASTM D4976-12a (Reapproved 2020) is a standard specification designed for the identification of polyethylene plastics used in molding and extrusion processes. Rather than dictating material selection for specific end-use applications, this specification provides a…

D4974 – Standard Test Method Technical Guide

ASTM D4974/D4974M defines a standard test method for measuring the hot air thermal shrinkage of yarns and cords using a thermal shrinkage oven. This method is essential for evaluating the dimensional stability of materials used in tire cords and industrial…

D4970 – Standard Test Method Technical Guide

ASTM D4970/D4970M-22 provides a standardized test method for determining the resistance to pilling and other surface changes in textile fabrics using the Martindale tester. This method is essential for evaluating fabric quality and performance. 📐 Test Method Overview and Scope…

D4969-17 – Standard Test Method Technical Guide

📐 Scope and Classification This specification, D4969‑17 (Reapproved 2022), covers glass fabric impregnated, coated, and sintered on both sides with PTFE to a nominal thickness of 0.318 mm (0.015 in.) or less. It is intended for electrical, chemical, and mechanical uses. Structural…

D4968-19 – Standard Test Method Technical Guide

📐 Scope and Key Terminology ASTM D4968-19 is a standard practice meant to assist the subcommittees and sections of Committee D20 on Plastics with the process of standards evaluation during the mandatory five-year review established by ASTM. It is designed…

D4966-22 – Standard Test Method Technical Guide

📐 Scope, Specimen Considerations, and Units This test method, designated D4966-22, specifically covers the determination of the abrasion resistance of textile fabrics using the Martindale abrasion tester. Under the jurisdiction of ASTM Committee D13 on Textiles and Subcommittee D13.60 on…

D4963 – Standard Test Method Technical Guide

📐 Scope and Specimen Classification The D4963/D4963M−22 standard defines a primary test method for determining the ignition loss of glass fiber textiles. It establishes a procedure applicable to a wide variety of products. As stated in the scope, this includes…

D4964-96 – Standard Test Method Technical Guide

📐 Scope and Field of Application ASTM D4964 – 96 (Reapproved 2020) establishes a standardized methodology for measuring the tension and elongation of elastic fabrics using a Constant-Rate-of-Extension (CRE) type tensile testing machine. The standard applies to both wide and…