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SAE ARP6157 - (R) Pressure-Viscosity Coefficient Measurement
June 1, 2020 - SAE

The lubricant performance capability for aero propulsion drive systems is derived from the physical properties of the oil and performance attributes associated with the chemical properties of the oil. Physical properties, such as viscosity, pressure-viscosity coefficient and full-film...

ISO DIS 20965 - Plastics — Determination of the transient extensional viscosity of polymer melts
April 23, 2020 - ISO

This document specifies the general principles of a method for determining the transient extensional viscosity of polymer melts. The procedure details the measurement of polymer melt specimens stretched uniaxially under conditions of constant strain rate and constant temperature. The method...

ISO 1628-2 - Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 2: Poly(vinyl chloride) resins
June 1, 2020 - ISO

This document specifies conditions for the determination of the reduced viscosity (also known as viscosity number) and K-value of PVC resins. It is applicable to resins in powder form which consist of homopolymers of the monomer vinyl chloride and copolymers, terpolymers, etc., of...

ASTM D7945 - Standard Test Method for Determination of Dynamic Viscosity and Derived Kinematic Viscosity of Liquids by Constant Pressure Viscometer
June 1, 2020 - ASTM

This test method covers the measurement of dynamic viscosity and density for the purpose of derivation of kinematic viscosity of petroleum liquids, both transparent and opaque. The kinematic viscosity, ν, in this test method is derived by dividing the dynamic viscosity,...

GMW17395 - DEXRON Low Viscosity Gear Oil 75W - 85
May 1, 2020 - GMW

Note: Nothing in this standard supercedes applicable laws and regulations. Note: In the event of conflict between the English and domestic language, the English language shall take precedence. Purpose/Material Description. This specification covers DEXRON® Low Viscosity Gear Oil primarily...

ASTM D5133 - Standard Test Method for Low Temperature, Low Shear Rate, Viscosity/Temperature Dependence of Lubricating Oils Using a Temperature-Scanning Technique
June 1, 2020 - ASTM

This test method covers the measurement of the apparent viscosity of engine oil at low temperatures. A shear rate of approximately 0.2 s-1 is produced at shear stresses below 100 Pa. Apparent viscosity is measured continuously as the sample is cooled at a rate of 1 °C ⁄h over the...

ASTM D4684 - Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Engine Oils at Low Temperature
June 1, 2020 - ASTM

This test method covers the measurement of the yield stress and viscosity of engine oils after cooling at controlled rates over a period exceeding 45 h to a final test temperature between -10 °C and -40 °C. The precision is stated for test temperatures from -40 °C to -15 °C. The...

ASTM D7110 - Standard Test Method for Determining the Viscosity-Temperature Relationship of Used and Soot-Containing Engine Oils at Low Temperatures
June 1, 2020 - ASTM

This test method covers how to measure the apparent viscosity of used and soot-containing engine oils at low temperatures. A shear rate of approximately 0.2 s-1 is produced at shear stresses below 200 Pa. Apparent viscosity is measured continuously as the sample is cooled at a rate of...

ASTM D7483 - Standard Test Method for Determination of Dynamic Viscosity and Derived Kinematic Viscosity of Liquids by Oscillating Piston Viscometer
June 1, 2020 - ASTM

This test method covers the measurement of dynamic viscosity and derivation of kinematic viscosity of liquids, such as new and in-service lubricating oils, by means of an oscillating piston viscometer. This test method is applicable to Newtonian and non- Newtonian liquids; however the...

ASTM D6896 - Standard Test Method for Determination of Yield Stress and Apparent Viscosity of Used Engine Oils at Low Temperature
June 1, 2020 - ASTM

This test method covers the measurement of the yield stress and viscosity of engine oils after cooling at controlled rates over a period of 43 h or 45 h to a final test temperature of -20 °C or -25 °C. The precision is stated for test temperatures -20 °C and -25 °C. The viscosity...

ASTM D6616 - Standard Test Method for Measuring Viscosity at High Shear Rate by Tapered Bearing Simulator Viscometer at 100 °C
June 1, 2020 - ASTM

This test method covers the laboratory determination of the viscosity of engine oils at 100 °C and 1·106s-1 using the Tapered Bearing Simulator (TBS) viscometer.2 NOTE 1-This test method is similar to Test Method D4683 which uses the same TBS viscometer to measure high shear viscosity...

ASTM D4741 - Standard Test Method for Measuring Viscosity at High Temperature and High Shear Rate by Tapered-Plug Viscometer
June 1, 2020 - ASTM

This test method2 covers the laboratory determination of the viscosity of oils at 150 °C and 1 × 106 s-1 and at 100 °C and 1 × 106 s-1, using high shear rate tapered-plug viscometer models BE/C or BS/C. Newtonian calibration oils are used to adjust the working gap and for calibration of the...

ASTM D5481 - Standard Test Method for Measuring Apparent Viscosity at High-Temperature and High-Shear Rate by Multicell Capillary Viscometer
June 1, 2020 - ASTM

This test method covers the laboratory determination of high-temperature high-shear (HTHS) viscosity of engine oils at a temperature of 150 °C using a multicell capillary viscometer containing pressure, temperature, and timing instrumentation. The shear rate for this test method corresponds...

ASTM D341 - Standard Practice for Viscosity-Temperature Equations and Charts for Liquid Petroleum or Hydrocarbon Products
May 1, 2020 - ASTM

This practice covers kinematic viscosity-temperature equations and charts (see Figs. 1-3), which are a convenient means to ascertain the kinematic viscosity of a petroleum oil or liquid hydrocarbon at any temperature within a limited range, provided that the kinematic...

ISO DIS 20765-5 - Natural gas — Calculation of thermodynamic properties — Part 5: Calculation of viscosity, Joule-Thomson coefficient, and isentropic exponent
May 14, 2020 - ISO

This part of ISO 20765 specifies a method to calculate viscosity and other properties, excluding density, for use in the metering of natural gas flow.

ISO FDIS 3104 - Petroleum products — Transparent and opaque liquids — Determination of kinematic viscosity and calculation of dynamic viscosity
April 20, 2020 - ISO

This document specifies Procedure A, using manual glass viscometers, and Procedure B, using glass capillary viscometers in an automated assembly, for the determination of the kinematic viscosity, ν, of liquid petroleum products, both transparent and opaque, by measuring the time for a volume...

ISO DIS 1628-1 - Plastics — Determination of the viscosity of polymers in dilute solution using capillary viscometers — Part 1: General principles
April 9, 2020 - ISO

This document defines the general conditions for the determination of the reduced viscosity, intrinsic viscosity and K‑value of organic polymers in dilute solution. It defines the standard parameters that are applied to viscosity measurement, and can be used to develop...

ISO FDIS 23581 - Petroleum products and related products — Determination of kinematic viscosity — Method by Stabinger type viscosimeter
April 8, 2020 - ISO

This document specifies a procedure for the determination of kinematic viscosity (ν) at 40 °C in the range from 2 mm2/s to 6 mm2/s by calculation from dynamic viscosity (η) and density (ρ) of middle distillate fuels, fatty acid methyl ester fuels (FAME) and mixtures of these using the...

ASTM D5293 - Standard Test Method for Apparent Viscosity of Engine Oils and Base Stocks Between –10 °C and –35 °C Using Cold-Cranking Simulator
June 1, 2020 - ASTM

This test method covers the laboratory determination of apparent viscosity of engine oils and base stocks by cold cranking simulator (CCS) at temperatures between -10 °C and -35 °C at shear stresses of approximately 50 000 Pa to 100 000 Pa and shear rates of approximately 105 to 104 s-1 for...

ASTM D6821 - Standard Test Method for Low Temperature Viscosity of Drive Line Lubricants in a Constant Shear Stress Viscometer
June 1, 2020 - ASTM

This test method covers the measurement of the viscosity of drive line lubricants (gear oils, automatic transmission fluids, and so forth) with a constant shear stress viscometer at temperatures from -40 °C to 10 °C after a prescribed preheat and controlled cooling to the final test...

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