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TOLUENE INSOLUBLES IN TAR AND PITCH: ASTM D4072 and ASTM D4312
TOLUENE INSOLUBLES IN TAR AND PITCH: ASTM D4072 and ASTM D4312EXPLANATIONThese test methods are used for evaluating and characterizing tars and pitches and as one element in establishing the uniformity of shipments or sources of supply. Since these test methods are empirical, strict adherence to all ...
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THERMAL STABILITY OF WAY LUBRICANTS: ASTM D6203
THERMAL STABILITY OF WAY LUBRICANTS: ASTM D6203EXPLANATIONThermal stability characterizes physical and chemical property changes, which may adversely affect an oil's lubricating performance. This test method evaluates the thermal stability of hydrocarbon based way lubricant in the presence of copper ...
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THERMAL STABILITY OF SOLID FILM LUBRICANTS: ASTM D2511
THERMAL STABILITY OF SOLID FILM LUBRICANTS: ASTM D2511EXPLANATIONSolid lubricant coatings are applied to surfaces that are exposed to heat and cold to such a degree that in many cases liquid lubricants are not practical. Adherence under these conditions is mandatory to preserve the bearing surfaces during ...
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INSTABILITY OF MIDDLE DISTILLATE FUELS BY PORTABLE SPECTROPHOTOMETER: ASTM D6748
INSTABILITY OF MIDDLE DISTILLATE FUELS BY PORTABLE SPECTROPHOTOMETER: ASTM D6748EXPLANATIONStorage stability depends on complex interactions. It varies with feedstock type and source, and the processing used. The rate of degradation may not change uniformly with temperature. Chemical reactions may lead ...
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THERMAL STABILITY OF HYDRAULIC OILS: ASTM D2070
THERMAL STABILITY OF HYDRAULIC OILS: ASTM D2070EXPLANATIONThermal stability characterizes physical and chemical property changes that may adversely affect an oil's lubricating performance. This test method evaluates the thermal stability of a hydraulic oil in the presence of copper and steel at 135° ...
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THERMAL STABILITY OF ORGANIC HEAT TRANSFER FLUIDS: ASTM D6743
THERMAL STABILITY OF ORGANIC HEAT TRANSFER FLUIDS: ASTM D6743EXPLANATIONHeat transfer fluids degrade when exposed to sufficient high temperatures. The amount of degradation increases as the temperature increases or the length of exposure increases, or both. Due to reaction and rearrangement, degradation ...
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THERMAL STABILITY OF AVIATION TURBINE FUELS BY HIRETS METHOD: ASTM D6811
THERMAL STABILITY OF AVIATION TURBINE FUELS BY HIRETS METHOD: ASTM D6811EXPLANATIONThe thermal stress experienced by aviation fuel in modern jet engines may lead to the formation of undesirable and possibly harmful insoluble materials, such as lacquers, on heat exchangers and control surfaces, that reduce ...
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THERMAL STABILITY OF AVIATION TURBINE FUELS BY JFTOT PROCEDURE: ASTM D3241
THERMAL STABILITY OF AVIATION TURBINE FUELS BY JFTOT PROCEDURE: ASTM D3241(Equivalent Test Methods: IP 323, ISO 6249, JIS K 2276B, and AFNOR M07-051)EXPLANATIONThis test method covers the procedure for rating the tendencies of gas turbine fuels to deposit decomposition products within the fuel system. ...
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THERMAL CONDUCTIVITY OF LIQUIDS: ASTM D2717
THERMAL CONDUCTIVITY OF LIQUIDS: ASTM D2717EXPLANATIONThe thermal conductivity of a substance is a measure of the ability of that substance to transfer energy as heat in the absence of mass transport phenomena. It is used in engineering calculations that relate to the manner in which a given system can ...
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SURFACE WAX ON WAXED PAPER OR PAPERBOARD: ASTM D2423
SURFACE WAX ON WAXED PAPER OR PAPERBOARD: ASTM D2423EXPLANATIONMany of the fundamental properties of waxed paper and paperboard are related to the amount of wax present as a surface film. Test methods which determine wax load by solvent extraction do not differentiate between the wax present as the surface ...
