درباره ما
ASTM - ASTM International: Recent submissions
Now showing items 3241-3260 of 39933
-
Standard Practice for Preparation of Uniform Free Films of Organic Coatings
Abstract: 5.1 Free films are required for conducting tests to evaluate physical and mechanical properties such as tensile and elongation (Test Methods D2370), moisture vapor permeability (Test Methods D1653 and E96/E96M), microbiological ... -
Standard Test Method for Determination of Trace Thiophene in Refined Benzene by Gas Chromatography
Abstract: 5.1 This test method is suitable for setting specifications on benzene and for use as an internal quality control tool where benzene is either produced or used in a manufacturing process. 5.2 This test method was found ... -
Standard Specification for Rigid Poly(Vinyl Chloride) (PVC) Exterior-Profile Extrusions Used for Assembled Windows and Doors
Abstract: This specification establishes requirements for the material properties, including dimensional stability, weatherability, and extrusion quality, of rigid poly(vinyl chloride) (PVC) exterior profile extrusions used for ... -
Standard Test Methods for Solventless Electrical Insulating Varnishes
Abstract: 4.1 The test methods referenced in these test methods are useful for control purposes during the manufacture and use of solventless varnishes. -
Standard Specification for Refined Benzene-545
Abstract: This specification covers benzene-545. Tests shall be performed to determine the property requirements of benzene-545 in accordance to the following test methods: benzene weight percentage; sulfur mass; thiophene mass; ... -
Standard Practice for Compression Molding Thermoplastic Materials into Test Specimens, Plaques, or Sheets
Abstract: 4.1 The methods by which sample materials are prepared and molded influence the mechanical properties of the specimen. Unlike injection molding, the objective of compression molding is to produce test specimens or sheets ... -
Standard Test Methods for Surface and Interfacial Tension of Solutions of Paints, Solvents, Solutions of Surface-Active Agents, and Related Materials
Abstract: 5.1 These methods provide data that are useful in evaluating the effectiveness of surface active agents in reducing surface tension. In addition, surface tension data can predict interactions between liquids and solid ... -
Standard Test Method for Platinum in Reforming Catalysts by Wet Chemistry
Abstract: 4.1 This test method provides a means of determining the platinum content of fresh reforming catalysts where the platinum is supported on an all alumina substrate.4 4.2 This test method is not intended to cover samples ... -
Standard Test Method for Polyurethane Raw Materials: Determination of Specific Gravity of Polyols
Abstract: 4.1 These test methods are suitable for quality control, specification testing, and research. The specific gravity is necessary when converting kinematic viscosity to absolute viscosity. -
Standard Test Method for Polyurethane Raw Materials: Determination of Water Content of Polyols
Abstract: 5.1 This test method is suitable for quality control, as a specification test, and for research. The water content of a polyol is important since isocyanates react with water. -
Standard Test Method for Tensile Properties of Geotextiles by the Wide-Width Method
Abstract: 5.1 The determination of the wide-width force-elongation properties of geotextiles provides design parameters for reinforcement type applications, for example, design of reinforced roadways/pavements, reinforced embankments ... -
Standard Test Method for Trace Nitrogen in Liquid Hydrocarbons by Syringe/Inlet Oxidative Combustion and Chemiluminescence Detection
Abstract: 5.1 Some process catalysts used in petroleum and chemical refining may be poisoned when even trace amounts of nitrogenous materials are contained in the feedstocks. This test method can be used to determine bound nitrogen ... -
Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels
Abstract: 4.1 This test method is intended for use as a guide in cases where an experimental determination of heat of combustion is not available and cannot be made conveniently, and where an estimate is considered satisfactory. It ... -
Standard Performance Specification for Feather and Down Fillings for Textile Products
Abstract: 5.1 Feather and down filling material intended for this end use should meet all requirements listed in Table 1 of this specification. 5.2 The uses and significance of particular properties and test methods are discussed ... -
Standard Specification for Performance of Active API Service Category Engine Oils
Abstract: This specification covers engine oils for light-duty and heavy-duty internal combustion engines used under a variety of operating conditions in automobiles, trucks, vans, buses, and off-highway farm, industrial, and ... -
Standard Specification for Rigid (Unplasticized) Poly(Vinyl Chloride) (PVC) Soffit
Abstract: This specification establishes the physical requirements and test methods for extruded single-wall soffits manufactured from rigid (unplasticized) poly(vinyl chloride) (PVC) compounds. The PVC compound when extruded into ... -
Standard Test Method for Oil Separation from Lubricating Grease by Centrifuging (Koppers Method)
Abstract: 5.1 This test method is useful in evaluating the degree to which a grease would separate into fluid and solid components when subjected to high centrifugal forces. Flexible shaft couplings, universal joints, and rolling ... -
Standard Test Method for Particle Size Distribution of Catalysts and Catalyst Carriers by Electronic Counting
Abstract: 4.1 This test method can be used to determine particle size distributions for material specifications, manufacturing control, and research and development work in the particle size range usually encountered in fluidizable ... -
Standard Test Method for Rubber Property—Compression Set at Low Temperatures
Abstract: 4.1 Rubber products, such as hydraulic seals on aircraft, submarine hatch gaskets, and hydraulic brake cups, may be exposed to varying temperature extremes. This test method provides a means of determining the extent to ...