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  • ASTM D 1646 : 2019

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    Standard Test Methods for Rubber—Viscosity, Stress Relaxation, and Pre-Vulcanization Characteristics (Mooney Viscometer)

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-04-2020

    Language(s):  English

    Published date:  01-07-2019

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    These test methods cover procedures for measuring a property called Mooney viscosity.

    Scope - (Show below) - (Hide below)

    1.1These test methods cover procedures for measuring a property called Mooney viscosity. Mooney viscosity is defined as the shearing torque resisting rotation of a cylindrical metal disk (or rotor) embedded in rubber within a cylindrical cavity. The dimensions of the shearing disk viscometer, test temperatures, and procedures for determining Mooney viscosity are defined in these test methods.

    1.2When disk rotation is abruptly stopped, the torque or stress on the rotor decreases at some rate depending on the rubber being tested and the temperature of the test. This is called “stress relaxation” and these test methods describe a test method for measuring this relaxation.

    Note 1:Viscosity as used in these test methods is not a true viscosity and should be interpreted to mean Mooney viscosity, a measure of shearing torque averaged over a range of shearing rates. Stress relaxation is also a function of the test configuration and for these test methods the results are unique to the Mooney viscometer.

    1.3When compounded rubber is placed in the Mooney viscometer at a temperature at which vulcanization may occur, the vulcanization reaction produces an increase in torque. These test methods include procedures for measuring the initial rate of rubber vulcanization.

    1.4ISO 289 Parts 1 and 2 also describes the determination of Mooney viscosity and pre-vulcanization characteristics. In addition to a few insignificant differences there are major technical differences between ISO 289 and this test method in that ISO 289 does not provide for sample preparation on a mill, while this test method allows milling sample preparation in some cases prior to running a Mooney viscosity test. This can result in different viscosity values for some rubbers.

    1.5The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

    1.6This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

    General Product Information - (Show below) - (Hide below)

    Committee D 11
    Document Type Test Method
    Publisher American Society for Testing and Materials
    Status Superseded
    Superseded By
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM D 3568 : 2003 : R2018 Standard Test Methods for Rubber—Evaluation of EPDM (Ethylene Propylene Diene Terpolymers) Including Mixtures With Oil
    ASTM D 6048 : 2007 : R2018 Standard Practice for Stress Relaxation Testing of Raw Rubber, Unvulcanized Rubber Compounds, and Thermoplastic Elastomers
    ASTM D 3186 : 2007 : R2016 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 5900 : 2017 : EDT 1 Standard Specification for Physical and Chemical Properties of Industry Reference Materials (IRM)
    ASTM D 2227 : 1996 : R2015 Standard Specification for Natural Rubber (NR) Technical Grades
    ASTM D 3187 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of NBR (Acrylonitrile-Butadiene Rubber)
    ASTM D 5605 : 1994 : R2016 Standard Practice for Styrene-Butadiene Rubber (SBR)—Establishing Raw Mooney Viscosity Target Values
    ASTM D 1566 : 2019 Standard Terminology Relating to Rubber
    ASTM D 3182 : 2016 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3188 : 2006 : R2017 Standard Test Methods for Rubber—Evaluation of IIR (Isobutene-Isoprene Rubber)
    ASTM D 4483 : 2018 Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 1417 : 2016 Standard Test Methods for Rubber Latices—Synthetic
    ASTM D 3346 : 2017 Standard Test Methods for Rubber Property—Processability of Emulsion SBR (Styrene-Butadiene Rubber) With the Mooney Viscometer (Delta Mooney)
    ASTM D 3484 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of Oil-Extended Solution BR (Polybutadiene Rubber)
    ASTM D 6204 : 2019 Standard Test Method for Rubber—Measurement of Unvulcanized Rheological Properties Using Rotorless Shear Rheometers
    ASTM D 3185 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 3189 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of Solution BR (Polybutadiene Rubber)
    ASTM D 4620 : 2002 : R2017 Standard Test Method for Evaluating the Effective Surface Area of Zinc Oxide in Rubber
    ASTM D 3190 : 2006 : R2016 Standard Test Method for Rubber—Evaluation of Chloroprene Rubber (CR)
    ASTM D 3403 : 2007 : R2016 Standard Test Methods for Rubber—Evaluation of IR (Isoprene Rubber)
    ASTM D 3191 : 2010 : R2014 Standard Test Methods for Carbon Black in SBR (Styrene-Butadiene Rubber)—Recipe and Evaluation Procedures
    ASTM D 3958 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of BIIR and CIIR (Halogenated Isobutene—Isoprene Rubber)
    ASTM D 297 : 2015 Standard Test Methods for Rubber Products—Chemical Analysis
    ASTM D 3848 : 2003 : R2018 Standard Test Methods for Rubber—Evaluation of NBR (Acrylonitrile-Butadiene Copolymers) Mixed With Carbon Black

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 3186 : 2007 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 3182 : 2015 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3186 : 1997 : R2002 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 1485 : 2007 : R2015 Standard Practice for Rubber from Natural Sources—Sampling and Sample Preparation
    ASTM D 1485 : 1986 : R2002 Standard Test Methods for Rubber from Natural Sources-Sampling and Sample Preparation
    ASTM D 1418 : 2010 : REV A : R2016 Standard Practice for Rubber and Rubber Latices—Nomenclature
    ASTM D 1485 : 2007 : R2011 Standard Practice for Rubber from Natural Sources—Sampling and Sample Preparation
    ASTM D 3182 : 2007 : R2012 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 4483 : 1999 Standard Practice for Determining Precision for Test Method Standards in the Rubber and Carbon Black Industries
    ASTM D 4483 : 2005 : REV A Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 1485 : 2007 Standard Practice for Rubber from Natural Sources—Sampling and Sample Preparation
    ASTM D 1418 : 1999 Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 3182 : 1989 : R2006 Standard Practice for Rubber-Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3186 : 2006 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 3185 : 1999 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 3182 : 1989 : R2001 : EDT 1 Standard Practice for Rubber-Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 1418 : 2006 Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 3896 : 2007 : R2011 Standard Practice for Rubber From Synthetic Sources—Sampling
    ASTM D 1418 : 2010 : REV A Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 3896 : 1985 : R2001 Standard Practice for Rubber From Synthetic Sources-Sampling
    ASTM D 1418 : 2017 Standard Practice for Rubber and Rubber Latices—Nomenclature
    ASTM D 3186 : 2007 : R2011 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 3896 : 2007 : R2016 Standard Practice for Rubber From Synthetic Sources—Sampling
    ASTM D 1349 : 1999 Standard Practice for Rubber-Standard Temperatures For Testing
    ASTM D 3182 : 2007 Standard Practice for Rubber-Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3185 : 2006 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 1349 : 2009 Standard Practice for Rubber-Standard Temperatures for Testing
    ASTM D 1349 : 2014 Standard Practice for Rubber—Standard Conditions for Testing
    ASTM D 3186 : 1997 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 3896 : 2007 Standard Practice for Rubber From Synthetic Sources—Sampling
    ASTM D 1418 : 2001 Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 4483 : 2005 Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 1418 : 2010 Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 3185 : 2005 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 1418 : 2001 : REV A Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 1418 : 2005 Standard Practice for Rubber and Rubber Latices-Nomenclature
    ASTM D 3182 : 1989 : R2001 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 4483 : 2014 : REV A Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 1349 : 2007 Standard Practice for Rubber-Standard Temperatures for Testing
    ASTM D 4483 : 2014 Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 4483 : 2018 Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 4483 : 2005 : REV A : R2011 Standard Practice for Evaluating Precision for Test Method Standards in the Rubber and Carbon Black Manufacturing Industries
    ASTM D 3185 : 2006 : R2016 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 3182 : 1989 : R1994 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3182 : 2016 Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
    ASTM D 3896 : 1985 : R1995 : EDT 1 Standard Practice for Rubber From Synthetic Sources-Sampling
    ASTM D 1485 : 1986 : R1997 : EDT 1 Standard Test Methods for Rubber from Natural Sources-Sampling and Sample Preparation
    ASTM D 3186 : 2007 : R2016 Standard Test Methods for Rubber—Evaluation of SBR (Styrene-Butadiene Rubber) Mixed With Carbon Black or Carbon Black and Oil
    ASTM D 3185 : 2006 : R2010 Standard Test Methods for Rubber-Evaluation of SBR (Styrene-Butadiene Rubber) Including Mixtures With Oil
    ASTM D 3182 : 2015 : REV A Standard Practice for Rubber—Materials, Equipment, and Procedures for Mixing Standard Compounds and Preparing Standard Vulcanized Sheets
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