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  • ASTM D 2765 : 2016 : REDLINE

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    Standard Test Methods for Determination of Gel Content and Swell Ratio of Crosslinked Ethylene Plastics

    Available format(s):  PDF

    Language(s):  English

    Published date:  01-09-2016

    Publisher:  American Society for Testing and Materials

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    Abstract - (Show below) - (Hide below)

    CONTAINED IN VOL. 08.01, 2016 Pertains to crosslinked ethylene plastics of all densities, including those containing fillers, and all provide corrections for the inert fillers present in some of those compounds.

    Scope - (Show below) - (Hide below)

    1.1The gel content (insoluble fraction) produced in ethylene plastics by crosslinking is determined by extracting with solvents such as decahydronaphthalene or xylenes. The methods described herein are applicable to crosslinked ethylene plastics of all densities, including those containing fillers, and all provide corrections for the inert fillers present in some of those compounds.

    1.2Test Method A, which permits most complete extraction in least time, is to be used for referee tests, but two alternative nonreferee Test Methods B and C are also described. Test Method B differs from the referee test method only in sample preparation; that is, it requires use of shavings taken at selected points in cable insulation, for example, rather than the ground sample required by the referee test method. Because the shaved particles are larger, less total surface per sample is exposed to the extractant, so this test method ordinarily yields extraction values about 1 to 2 % lower than the referee method. Test Method C requires that a specimen in one piece be extracted in xylenes at a constant temperature of 110°C. At this temperature and with a one-piece specimen, even less extraction occurs (from 3 to 9 % less than the referee test method), this method permits swell ratio (a measure of the degree of crosslinking in the gel phase) be determined.

    1.3Extraction tests are made on articles of any shape. They have been particularly useful for electrical insulations since specimens can be selected from those portions of the insulation most susceptible to insufficient crosslinking.

    1.4The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

    Note 1:This test method is equivalent to ISO 10147, Method B. It is not equivalent to ISO 10147 in any other measurement or section.

    1.5This 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 and health practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Sections 6, 9, and 24.

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

    Committee D 20
    Document Type Redline
    Publisher American Society for Testing and Materials
    Status Current

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

    ASTM F 876 : 2017 : REDLINE SPECIFICATION FOR CROSSLINKED POLYETHYLENE (PEX) TUBING
    ASTM F 1986 : 2001 : R2011 Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems (Withdrawn 2020)
    ASTM F 2759 : 2011 : REDLINE Standard Guide for Assessment of the Ultra High Molecular Weight Polyethylene (UHMWPE) Used in Orthopedic and Spinal Devices
    ASTM D 3555 : 2007 : R2018 Standard Specification for Track-Resistant Black Crosslinked Polyethylene Insulation for Wire and Cable, 90 °C Operation
    CSA C68.10 : 2014 SHIELDED POWER CABLE FOR COMMERCIAL AND INDUSTRIAL APPLICATIONS, 5-46 KV
    ASTM F 2214 : 2016 : REDLINE Standard Test Method for In Situ Determination of Network Parameters of Crosslinked Ultra High Molecular Weight Polyethylene (UHMWPE)
    API 15LE : 2008(R2018) SPECIFICATION FOR POLYETHYLENE LINE PIPE (PE)
    CSA C448 SERIES : 2016 DESIGN AND INSTALLATION OF GROUND SOURCE HEAT PUMP SYSTEMS FOR COMMERCIAL AND RESIDENTIAL BUILDINGS
    ASTM F 2805 : 2016 : REDLINE Standard Specification for Multilayer Thermoplastic And Flexible Steel Pipe And Connections
    ASTM F 2818:2010 Standard Specification for Specification for Crosslinked Polyethylene (PEX) Material Gas Pressure Pipe and Tubing
    BS EN 62788-1-6 : 2017 MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-6: ENCAPSULANTS - TEST METHODS FOR DETERMINING THE DEGREE OF CURE IN ETHYLENE-VINYL ACETATE
    ASTM D 3555 : 2007 : R2013 Standard Specification for Track-Resistant Black Crosslinked Polyethylene Insulation for Wire and Cable, 90 °C Operation
    NBR 15723-2 : 2012 IMPLANTS FOR SURGERY - POLYMERIC MATERIALS - PART 2: GUIDELINES FOR EXTENSIVELY IRRADIATION-CROSSLINKED ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE FABRICATED FORMS
    ASTM D 7567 : 2009 Standard Test Method for Determining Gel Content in Crosslinked Ethylene Plastics Using Pressurized Liquid Extraction (Withdrawn 2015)
    ASTM D 2656 : 2013 : REDLINE Standard Specification for Crosslinked Polyethylene Insulation for Wire and Cable Rated 2001 to 35 000 V
    15/30309530 DC : 0 BS EN 62788-1-6 ED 1.0 - MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-6: ENCAPSULANTS - TEST METHODS FOR DETERMINING THE DEGREE OF CURE IN ETHYLENE-VINYL ACETATE ENCAPSULATION FOR PHOTOVOLTAIC MODULES
    ASTM F 3203 : 2016 Standard Test Method for Determination of Gel Content of Crosslinked Polyethylene (PEX) Pipes and Tubing
    ASTM F 2968/F2968M : 2014 Standard Specification for Black Crosslinked Polyethylene (PEX) Pipe, Fittings and Joints For Gas Distribution Applications
    CEI EN 62788-1-6 : 1ED 2017 MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-6: ENCAPSULANTS - TEST METHODS FOR DETERMINING THE DEGREE OF CURE IN ETHYLENE-VINYL ACETATE
    ASTM F 2854 : 2010 Standard Specification for Push-Fit Crosslinked Polyethylene (PEX) Mechanical Fittings for Crosslinked Polyethylene (PEX) Tubing
    API 15LE : 2008 : R2013 SPECIFICATION FOR POLYETHYLENE LINE PIPE (PE)
    ASTM F 2929 : 2017 : REDLINE Standard Specification for Crosslinked Polyethylene (PEX) Tubing of 0.070 in. Wall and Fittings for Radiant Heating Systems up to 75 psig
    CSA C68.5 : 2013 SHIELDED AND CONCENTRIC NEUTRAL POWER CABLE FOR DISTRIBUTION UTILITIES
    API 15LE CHINESE : 2008 SPECIFICATION FOR POLYETHYLENE LINE PIPE (PE)
    CSA B137 COMPENDIUM : 2017 THERMOPLASTIC PRESSURE PIPING COMPENDIUM
    I.S. EN 62788-1-6:2017 MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-6: ENCAPSULANTS - TEST METHODS FOR DETERMINING THE DEGREE OF CURE IN ETHYLENE-VINYL ACETATE
    AWWA C904 : 2016 CROSSLINKED POLYETHYLENE (PEX) PRESSURE TUBING, 1/2 IN. (13 MM) THROUGH 3 IN. (76 MM), FOR WATER SERVICE
    ASTM F 3253 : 2017 Standard Specification for Crosslinked Polyethylene (PEX) Tubing with Oxygen Barrier for Hot- and Cold-Water Hydronic Distribution Systems
    ASTM F 2565 : 2013 : REDLINE Standard Guide for Extensively Irradiation-Crosslinked Ultra-High Molecular Weight Polyethylene Fabricated Forms for Surgical Implant Applications
    ASTM F 1986 : 2001 Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems
    ASTM F 1986 : 2001 : R2006 Standard Specification for Multilayer Pipe Type 2, Compression Fittings, and Compression Joints for Hot and Cold Drinking-Water Systems
    ASTM F 2818 : 2010 : R2014 : EDT 1 Standard Specification for Specification for Crosslinked Polyethylene (PEX) Material Gas Pressure Pipe and Tubing
    NEMA WC 55 : 1992(R1999) INSTRUMENTATION CABLES AND THERMOCOUPLE WIRE
    ASTM F 2854 : 2010 : R2016 Standard Specification for Push-Fit Crosslinked Polyethylene (PEX) Mechanical Fittings for Crosslinked Polyethylene (PEX) Tubing
    ASTM F 1335 : 2004 Standard Specification for Pressure-Rated Composite Pipe and Fittings for Elevated Temperature Service (Withdrawn 2011)
    ASTM D 3555 : 2007 Standard Specification for Track-Resistant Black Crosslinked Polyethylene Insulation for Wire and Cable, 90°C Operation
    ASTM F 1281 : 2017 : REDLINE Standard Specification for Crosslinked Polyethylene/Aluminum/Crosslinked Polyethylene (PEX-AL-PEX) Pressure Pipe
    ASTM F 2905/F2905M : 2013 Standard Specification for Black Crosslinked Polyethylene (PEX) Line Pipe, Fittings and Joints For Oil and Gas Producing Applications
    EN 62788-1-6:2017 MEASUREMENT PROCEDURES FOR MATERIALS USED IN PHOTOVOLTAIC MODULES - PART 1-6: ENCAPSULANTS - TEST METHODS FOR DETERMINING THE DEGREE OF CURE IN ETHYLENE-VINYL ACETATE (IEC 62788-1-6:2017)
    ASTM F 2818 : 2010 : R2014 Standard Specification for Specification for Crosslinked Polyethylene (PEX) Material Gas Pressure Pipe and Tubing
    ASTM D 345 : 2002 Side bearings of the freight wagon bogies. General specifications

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

    ASTM D 297 : 2015 : REDLINE Standard Test Methods for Rubber Products—Chemical Analysis
    ASTM D 1998 : 2015 : REDLINE Standard Specification for Polyethylene Upright Storage Tanks
    ASTM D 618 : 2013 : REDLINE Standard Practice for Conditioning Plastics for Testing
    ASTM D 1603 : 2014 : REDLINE Standard Test Method for Carbon Black Content in Olefin Plastics
    ISO 10147:2011 Pipes and fittings made of crosslinked polyethylene (PE-X) Estimation of the degree of crosslinking by determination of the gel content
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