درباره ما
ASTM - ASTM International: Recent submissions
Now showing items 3361-3380 of 39933
-
Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel
Abstract: 5.1 Motor O.N. correlates with commercial automotive spark-ignition engine antiknock performance under severe conditions of operation. 5.2 Motor O.N. is used by engine manufacturers, petroleum refiners and marketers, and ... -
Standard Test Method for Calibration and Operation of the Falex Block-on-Ring Friction and Wear Testing Machine
Abstract: 5.1 This test method is used for the calibration of a block-on-ring testing machine by measuring the friction and wear properties of a calibration fluid under the prescribed test conditions. 5.2 The user of this test ... -
Standard Test Method for Dryness of Propane (Valve Freeze Method)
Abstract: 5.1 This test is a functional test in which the water concentration in the product is related to product behavior characteristics in a pressure-reducing system of special design to arrive at a measure of product acceptability ... -
Standard Test Method for Weight Loss of Electrical Insulating Varnishes
Abstract: 5.1 Weight loss is useful for indicating: 5.1.1 Degradation at elevated temperatures in air, and 5.1.2 Evolution of volatiles that have the potential to affect other components. -
Standard Test Method for Research Octane Number of Spark-Ignition Engine Fuel
Abstract: 5.1 Research O.N. correlates with commercial automotive spark-ignition engine antiknock performance under mild conditions of operation. 5.2 Research O.N. is used by engine manufacturers, petroleum refiners and marketers, ... -
Standard Test Method for Permeability of Thermoplastic Containers to Packaged Reagents or Proprietary Products
Abstract: 5.1 With the proper precautions and background experience, results can be useful for estimation of the loss of a packaged product through the walls of a container during shelf storage. The test is also useful for isolating ... -
Standard Specification for Acrylonitrile-Butadiene-Styrene (ABS) Schedule 40 Plastic Drain, Waste, and Vent Pipe and Fittings
Abstract: This specification covers acrylonitrile-butadiene-styrene (ABS) schedule 40 plastic drain, waste, and vent pipe and fittings. ABS plastic which does not meet the material requirements is excluded. ABS plastic shall conform ... -
Standard Specification for Poly(Vinyl Chloride) (PVC) Plastic Drain, Waste, and Vent Pipe and Fittings
Abstract: This specification covers requirements and test methods for materials, dimensions and tolerances, pipe stiffness, crush resistance, impact resistance, hydrostatic burst resistance, and solvent cement for poly(vinyl chloride) ... -
Standard Guide for Backing Fabric Characteristics of Pile Yarn Floor Coverings
Abstract: 5.1 These test methods may be used for acceptance testing of commercial shipments; however, caution is advised because information about between interlaboratory precision is incomplete. Comparative tests as directed in ... -
Standard Test Methods for Electrical Conductivity of Aviation and Distillate Fuels
Abstract: 5.1 The ability of a fuel to dissipate charge that has been generated during pumping and filtering operations is controlled by its electrical conductivity, which depends upon its content of ion species. If the conductivity ... -
Standard Test Method for Plastic Properties of Coal by the Constant-Torque Gieseler Plastometer
Abstract: 5.1 Reliable values of the plastic properties of coals are used to predict or explain the behavior of a coal or blends during carbonization or in other processes such as gasification, liquefaction, and combustion. -
Standard Test Method for Real Density of Calcined Petroleum Coke by Helium Pycnometer
Abstract: 5.1 The real density of calcined petroleum coke directly influences the physical and chemical properties of the manufactured carbon and graphite artifacts for which it is used. Density, therefore, is a major quality ... -
Standard Test Methods for Rubber Properties in Compression
Abstract: 4.1 These test methods are useful in comparing stiffness of rubber materials in compression. They can be used by rubber technologists to aid in development of materials for compressive applications. -
Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
Abstract: 5.1 This test method provides rapid and precise measurement of total sulfur in petroleum and petroleum products with a minimum of sample preparation. A typical analysis time is 1 min to 2 min per sample. 5.2 The quality ... -
Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants
Abstract: 4.1 This test method, by a closer approach to engine cooling system conditions, provides better evaluation and selective screening of engine coolants than is possible from glassware testing (Test Method D1384). The improvement ... -
Standard Specification for Plastic Insert Fittings for Polyethylene (PE) Plastic Pipe
Abstract: This specification covers plastic insert fittings for polyethylene (PE) plastic pipe. The fittings shall be made from one of the following plastics: nylon plastics, propylene plastics, and poly(vinyl chloride) plastics. ... -
Standard Test Method for Indentation Hardness of Rigid Plastics by Means of a Barcol Impressor
Abstract: 5.1 The Barcol Impressor is portable and therefore suitable for testing the hardness of fabricated parts and individual test specimens for production control purposes. 5.2 Before proceeding with this test method, reference ... -
Standard Test Method for Total Ash in Leather
Abstract: 4.1 This test method is useful in determining the approximate amount of nonvolatile inorganic material in leather. This may be in the form of salts or oxides of the elements. In a mixed chrome tannage, the approximate ... -
Standard Test Methods for Total and Dissolved Carbon Dioxide in Water
Abstract: 4.1 Carbon dioxide is a respiration product of plants and animals and a decomposition product of organic matter and certain minerals. The atmosphere averages about 0.04 vol % of CO2. Surface waters generally contain less ... -
Standard Specification for Polyethylene (PE) Gas Pressure Pipe, Tubing, and Fittings
Abstract: This specification covers the requirements and test methods for material, dimensions, hydrostatic burst strength, tensile strength, chemical resistance, sustained pressure, heat fusion, and impact resistance of plastic ...