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ASTM D4280 – Standard Specification for Extended Life Type, Nonplowable, Raised Retroreflective Pavement Markers Description: Abstract This specification covers extended life type, nonplowable, retroreflective raised pavement markers for nighttime lane marking and delineation. Pavement markers shall undergo tests to examine their conformance with specified construction, performance (retroreflectivity), and physical property (flexural strength, compressive strength, abrasion …
ASTM D4274 – Standard Test Methods for Testing Polyurethane Raw Materials: Determination of Hydroxyl Numbers of Polyols Description: Significance and Use 5.1 These test methods are suitable for research and as quality control and specification tests. It is necessary to know the hydroxyl contents of polyols in order to formulate polyurethane systems. Scope 1.1 These test methods …
ASTM D4272 – Standard Test Method for Total Energy Impact of Plastic Films by Dart Drop Description: Significance and Use 5.1 Evaluation of the impact toughness of film is important in predicting the performance of a material in applications such as packaging, construction, and other uses. The test simulates the action encountered in applications where moderate-velocity …
ASTM D427 – Test Method for Shrinkage Factors of Soils by the Mercury Method (Withdrawn 2008) Description: Significance and Use The shrinkage factors covered in this test method can only be determined on basically fine-grained (cohesive) soils which exhibit a dry strength when air dried. The term shrinkage limit, expressed as a water content in …
ASTM D4265 – Standard Guide for Evaluating Stain Removal Performance in Home Laundering Description: Significance and Use 5.1 This guide suggests a number of staining agents that are representative of stains commonly encountered in household laundry. The assessment need not be limited to this suggested list of stains, especially if special product types or end uses …
ASTM D4263 – Standard Practice for Indicating Moisture in Concrete by the Plastic Sheet Method Description: Significance and Use 2.1 Capillary moisture in the concrete may be detrimental to the performance of certain coating systems that cannot tolerate moisture on or within the surface boundary. 2.2 This practice is designed for use prior to the application of …
ASTM D4255 – Standard Test Method for In-Plane Shear Properties of Polymer Matrix Composite Materials by the Rail Shear Method Description: Significance and Use 5.1 These shear tests are designed to produce in-plane shear property data for material specifications, research and development, and design. Factors that influence the shear response and should therefore be reported include: …
ASTM D4254 – Standard Test Methods for Minimum Index Density and Unit Weight of Soils and Calculation of Relative Density Description: Significance and Use 5.1 The density/unit weight of a cohesionless soil may be determined by various in-place methods in the field or by the measurement of physical dimensions and masses by laboratory soil specimens. The …
ASTM D4243 – Standard Test Method for Measurement of Average Viscometric Degree of Polymerization of New and Aged Electrical Papers and Boards Description: Significance and Use 5.1 This test method applies to all papers made from unmodified cellulose, as used in transformer, cable, or capacitor manufacture. It applies to new or aged papers. For information, Appendix X1 shows …
ASTM D4239 – Standard Test Method for Sulfur in the Analysis Sample of Coal and Coke Using High-Temperature Tube Furnace Combustion Description: Significance and Use 4.1 Sulfur is part of the ultimate analysis of coal and coke. 4.2 Results of the sulfur analysis are used for evaluation of coal preparation and cleaning, evaluation of potential sulfur emissions …
