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ASTM D4069-95(2020) - Standard Specification for Impregnated Activated Carbon Used to Remove Gaseous Radio-Iodines from Gas Streams
July 1, 2020 - ASTM International

5.1 Activated carbons used in containment systems for nuclear reactors must be capable of functioning under both normal operating conditions and those conditions which may exist following a design basis accident (DBA). Adsorbent beds that are part of recirculatory systems inside...

ASTM D4441-20 - Standard Specification for Aqueous Dispersions of Polytetrafluoroethylene
July 1, 2020 - ASTM International

1.1 This specification covers aqueous dispersions of polytetrafluoroethylene (PTFE) resins. These resins are homopolymers of tetrafluoroethylene, or in some cases modified homopolymers containing not more than 1 % by weight of other fluoromonomers. 1.1.1 The dispersion is usually...

ASTM D4662-20 - Standard Test Methods for Polyurethane Raw Materials: Determination of Acid and Alkalinity Numbers of Polyols
July 1, 2020 - ASTM International

1.1 These test methods measure the acidic and basic constituents in polyols and other materials of high acidity or alkalinity that are soluble in mixtures of toluene and ethyl alcohol. These test methods do not apply to polyethers. (See Note 1.) 1.2 This standard does not...

ASTM D5186-20 - Standard Test Method for Determination of the Aromatic Content and Polynuclear Aromatic Content of Diesel Fuels By Supercritical Fluid Chromatography
July 1, 2020 - ASTM International

1.1 This test method covers the determination of the total amounts of monoaromatic and polynuclear aromatic hydrocarbon compounds in motor diesel fuels and blend stocks by supercritical fluid chromatography (SFC). The range of aromatics concentration to which this test method is applicable...

ASTM D5303-20 - Standard Test Method for Trace Carbonyl Sulfide in Propylene by Gas Chromatography
July 1, 2020 - ASTM International

1.1 This test method covers the determination of traces of carbonyl sulfide (COS) in propylene. It is applicable to COS concentrations from 0.5 mg/kg to 4.0 mg/kg (parts per million by mass). See Note 1. Note 1: The lower limit of this test method is believed to be below 0.1...

ASTM D5465-16(2020) - Standard Practices for Determining Microbial Colony Counts from Waters Analyzed by Plating Methods
July 1, 2020 - ASTM International

1.1 These practices cover recommended procedures for counting colonies and reporting colony-forming units (CFU) on membrane filters (MF) and standard pour and spread plates. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in...

ASTM D6297-20 - Standard Specification for Asphaltic Plug Joints for Bridges
July 1, 2020 - ASTM International

This specification covers the standards the material, testing and application requirements for a field molded asphaltic plug joint (APJ) used in expansion joint sealing on asphalt concrete overlay and portland cement concrete decks. This specification is limited only to field molded...

ASTM D6550-20 - Standard Test Method for Determination of Olefin Content of Gasolines by Supercritical-Fluid Chromatography
July 1, 2020 - ASTM International

5.1 Gasoline-range olefinic hydrocarbons have been demonstrated to contribute to photochemical reactions in the atmosphere, which result in the formation of photochemical smog in susceptible urban areas. 5.2 The California Air Resources Board (CARB) has specified a...

ASTM D7038-20 - Standard Test Method for Evaluation of Moisture Corrosion Resistance of Automotive Gear Lubricants
July 1, 2020 - ASTM International

5.1 This test simulates a type of severe field service in which corrosion-promoting moisture in the form of condensed water vapor accumulates in the axle assembly. This may happen as a result of volume expansion and contraction of the axle lubricant and the...

ASTM D7216-20 - Standard Test Method for Determining Automotive Engine Oil Compatibility with Typical Seal Elastomers
July 1, 2020 - ASTM International

1.1 This test method covers quantitative procedures for the evaluation of the compatibility of automotive engine oils with several reference elastomers typical of those used in the sealing materials in contact with these oils. Compatibility is evaluated by determining the changes...

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