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  • IEC 61099:2010

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    Insulating liquids - Specifications for unused synthetic organic esters for electrical purposes

    Available format(s):  Hardcopy, PDF, PDF 3 Users, PDF 5 Users, PDF 9 Users

    Language(s):  English, English - French, Spanish, Castilian

    Published date:  31-08-2010

    Publisher:  International Electrotechnical Committee

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    Table of Contents - (Show below) - (Hide below)

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 General remarks
    5 Health, safety and environment (HSE) properties
      (liquid properties related to safe handling and
      environment protection)
    6 Classification, identification, general delivery
      requirements, sampling, packaging and disposal
    7 Properties of synthetic organic esters
    8 Electrical properties
    9 Specifications for synthetic organic esters used in
      transformers
    Annex A (informative) - Determination of crystallization
    Annex B (informative) - Specifications for synthetic
            organic esters used in capacitors
    Bibliography

    Abstract - (Show below) - (Hide below)

    IEC 61099:2010 covers the specification and test methods for unused synthetic organic esters. It applies to synthetic organic esters, delivered to the agreed point and time of delivery intended, for use in transformers, switchgear and similar related equipment in which synthetic organic esters are required as an insulant and for heat transfer. The main changes of this new edition with respect to the previous one relate to the aim of giving a more updated specification of synthetic organic esters when used as insulating liquids.

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    Committee TC 10
    Development Note Stability Date: 2018. (10/2012)
    Document Type Standard
    Publisher International Electrotechnical Committee
    Status Current
    Supersedes

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

    NF EN 60464-2 : 2002 AMD 1 2006 VARNISHES USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    DD CLC/TS 50537-2 : 2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    BS EN 60076-13:2006 Power transformers Self-protected liquid-filled transformers
    BS EN 60695-1-40:2014 Fire hazard testing Guidance for assessing the fire hazard of electrotechnical products. Insulating liquids
    09/30187488 DC : DRAFT AUG 2009 BS EN 60076-16 - POWER TRANSFORMERS - PART 16: TRANSFORMERS FOR WIND TURBINES APPLICATION
    CEI EN 60076-14 : 2014 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    12/30257150 DC : 0 BS EN 62770 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS LIQUIDS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
    I.S. EN 61203:1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    S.R. CLC/TR 50503:2010 GUIDELINES FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    12/30263868 DC : 0 BS EN 60076-14 - POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    CEI EN 50336 : 2003 BUSHINGS FOR TRANSFORMERS AND REACTOR CABLE BOXES NOT EXCEEDING 36 KV
    IEEE C57.147 : 2008 ACCEPTANCE AND MAINTENANCE OF NATURAL ESTER FLUIDS IN TRANSFORMERS
    CEI CLC/TS 50537-2 : 2011 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    S.R. CLC/TS 50537-2:2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    I.S. EN 60076-14:2013 POWER TRANSFORMERS - PART 14: LIQUIDIMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS (IEC 60076-14:2013 (EQV))
    IEC 60137 REDLINE : 7ED 2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    EN 60137:2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V (IEC 60137:2017)
    NF EN 60076-13 : 2007 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    VDE 0375-2 : 1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    I.S. EN 60079-6:2015 EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY LIQUID IMMERSION 'O'
    IEC TS 60076-14:2009 Power transformers - Part 14: Design and application of liquid-immersed power transformers using high-temperature insulation materials
    IEC 60695-1-40:2013 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    EN 60243-1:2013 ELECTRIC STRENGTH OF INSULATING MATERIALS - TEST METHODS - PART 1: TESTS AT POWER FREQUENCIES (IEC 60243-1:2013)
    EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    BS EN 60076-2:2011 Power transformers Temperature rise for liquid-immersed transformers
    IEC TS 60695-1-40:2002 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    BS EN 60076-14:2013 Power transformers Liquid-immersed power transformers using high-temperature insulation materials
    I.S. EN 60076-13:2006 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    BS EN 60464-2 : 2001 VARNISHES USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    CLC/TS 50537-2 : 2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 2: PUMP FOR INSULATING LIQUID FOR TRACTION TRANSFORMERS AND REACTORS
    UNE-EN 60076-14:2014 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    I.S. EN 50628:2016 ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
    CEI EN 50299-2 : 2016 OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT UM FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    I.S. EN 60310:2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    BS EN 60137 : 2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    I.S. EN 60137:2017 INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    I.S. EN IEC 61125:2018 INSULATING LIQUIDS - TEST METHODS FOR OXIDATION STABILITY - TEST METHOD FOR EVALUATING THE OXIDATION STABILITY OF INSULATING LIQUIDS IN THE DELIVERED STATE
    I.S. EN 61039:2008 CLASSIFICATION OF INSULATING LIQUIDS
    UNE-EN 50299-2:2015 Oil-immersed cable connection assemblies for transformers and reactors having highest voltage for equipment Um from 72,5 kV to 550 kV - Part 2: Dry-type cable terminations
    IEC 60695-8-1:2016 Fire hazard testing - Part 8-1: Heat release - General guidance
    IEC 60137:2017 RLV Insulated bushings for alternating voltages above 1000 V
    CEI EN 60076-2 : 2015 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    CEI EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
    05/30133366 DC : DRAFT MAY 2005 EN 5XXXX BTTF 116-1 - STANDARD FOR THE INVENTORY, CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    17/30347375 DC : 0 BS EN 62368-1 ED 3.0 - AUDIO/VIDEO; INFORMATION AND COMMUNICATION TECHNOLOGY EQUIPMENT - PART 1: SAFETY REQUIREMENTS
    06/30159746 DC : 0 BS EN 50503 - FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - STANDARD FOR THE INVENTORY CONTROL, MANAGEMENT, DECONTAMINATION AND/OR DISPOSAL OF ELECTRICAL EQUIPMENT AND INSULATING LIQUIDS CONTAINING PCBS
    BS EN 50299-2 : 2014 OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT UM FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    BS EN 60455-2:2015 Resin based reactive compounds used for electrical insulation Methods of test
    14/30271248 DC : 0 BS EN 60310 ED 4.0 - RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK
    CEI EN 60695-8-1 : 2009 FIRE HAZARD TESTING - PART 8-1: HEAT RELEASE - GENERAL GUIDANCE
    CEI CLC/TS 50537-4 : 2011 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 4: GAS AND LIQUID ACTUATED (BUCHHOLZ) RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR FOR RAIL VEHICLES
    12/30269145 DC : 0 BS EN 60695-1-40 ED 1.0 - FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    UNE-EN 60695-8-1:2017 Fire hazard testing - Part 8-1: Heat release - General guidance
    I.S. EN 60243-1:2013 ELECTRIC STRENGTH OF INSULATING MATERIALS - TEST METHODS - PART 1: TESTS AT POWER FREQUENCIES (IEC 60243-1:2013 (EQV))
    NF EN 61039 : 2008 CLASSIFICATION OF INSULATING LIQUIDS
    I.S. EN 60455-2:2015 RESIN BASED REACTIVE COMPOUNDS USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    I.S. EN 60695-1-40:2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    CLC/TS 50537-4 : 2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 4: GAS AND LIQUID ACTUATED (BUCHHOLZ) RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR FOR RAIL VEHICLES
    I.S. EN 60464-2:2002 VARNISHES USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    IEC 61125:2018 Insulating liquids - Test methods for oxidation stability - Test method for evaluating the oxidation stability of insulating liquids in the delivered state
    IEC 60076-13:2006 Power transformers - Part 13: Self-protected liquid-filled transformers
    IEC 62770:2013 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
    BIS IS 16099 : 2013 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    DD IEC TS 60076-14 : DRAFT 2009 POWER TRANSFORMERS - PART 14: DESIGN AND APPLICATION OF LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    EN IEC 61125 : 2018 INSULATING LIQUIDS - TEST METHODS FOR OXIDATION STABILITY - TEST METHOD FOR EVALUATING THE OXIDATION STABILITY OF INSULATING LIQUIDS IN THE DELIVERED STATE (IEC 61125:2018)
    UNE-EN 60695-1-40:2014 Fire hazard testing - Part 1-40: Guidance for assessing the fire hazard of electrotechnical products - Insulating liquids
    DD CLC/TS 50537-4 : 2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 4: GAS AND LIQUID ACTUATED (BUCHHOLZ) RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR FOR RAIL VEHICLES
    EN 50336:2002 BUSHINGS FOR TRANSFORMERS AND REACTOR CABLE BOXES NOT EXCEEDING 36 KV
    BS EN 62770:2014 Fluids for electrotechnical applications. Unused natural esters for transformers and similar electrical equipment
    BS EN 60243-1 : 2013 ELECTRIC STRENGTH OF INSULATING MATERIALS - TEST METHODS - PART 1: TESTS AT POWER FREQUENCIES
    BS EN 61620 : 1999 INSULATING LIQUIDS - DETERMINATION OF THE DIELECTRIC DISSIPATION FACTOR BY MEASUREMENT OF THE CONDUCTANCE AND CAPACITANCE - TEST METHOD
    BS EN 50336:2002 BUSHINGS FOR TRANSFORMERS AND REACTOR CABLE BOXES NOT EXCEEDING 36 KV
    06/30157625 DC : 0 BS EN 61039 - GENERAL CLASSIFICATION OF INSULATING LIQUIDS
    16/30318517 DC : 0 BS EN 60137 ED. 7.0 - INSULATED BUSHINGS FOR ALTERNATING VOLTAGES ABOVE 1000 V
    03/314578 DC : DRAFT OCT 2003 EN 14833 - PETROLEUM AND RELATED PRODUCTS - DETERMINATION OF THE HYDROLYTIC STABILITY OF PHOSPHATE ESTER FLUIDS
    DIN EN 61203 : 1995 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    I.S. EN 60076-2:2011 POWER TRANSFORMERS - PART 2: TEMPERATURE RISE FOR LIQUID-IMMERSED TRANSFORMERS
    BS EN 60310 : 2016 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016)
    I.S. EN 50299-2:2014 OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT UM FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    I.S. EN 62770:2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT
    I.S. EN 60695-8-1:2017 FIRE HAZARD TESTING - PART 8-1: HEAT RELEASE - GENERAL GUIDANCE
    CEI EN 60243-1 : 2014 ELECTRIC STRENGTH OF INSULATING MATERIALS - TEST METHODS - PART 1: TESTS AT POWER FREQUENCIES
    IEC 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
    BS EN 50628 : 2016 ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
    IEC 61203:1992 Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
    UNE-EN 60079-6:2016 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
    IEC 60464-2:2001+AMD1:2006 CSV Varnishes used for electrical insulation - Part 2: Methods of test
    IEC 60455-2:2015 Resin based reactive compounds used for electrical insulation - Part 2: Methods of test
    IEC 60076-2:2011 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 60243-1:2013 Electric strength of insulating materials - Test methods - Part 1: Tests at power frequencies
    IEC 60310:2016 Railway applications - Traction transformers and inductors on board rolling stock
    UNE-EN 60076-2:2013 Power transformers - Part 2: Temperature rise for liquid-immersed transformers
    IEC 60076-14:2013 Power transformers - Part 14: Liquid-immersed power transformers using high-temperature insulation materials
    CEI EN 60076-13 : 2007 POWER TRANSFORMERS - PART 13: SELF PROTECTED LIQUID FILLED TRANSFORMERS
    BS EN 60695-8-1:2017 Fire hazard testing Heat release. General guidance
    UNE-EN 62770:2014 Fluids for electrotechnical applications - Unused natural esters for transformers and similar electrical equipment
    BS EN 61039 : 2008 CLASSIFICATION OF INSULATING LIQUIDS
    BS EN IEC 61125:2018 Insulating liquids. Test methods for oxidation stability. Test method for evaluating the oxidation stability of insulating liquids in the delivered state
    S.R. CLC/TS 50537-4:2010 RAILWAY APPLICATIONS - MOUNTED PARTS OF THE TRACTION TRANSFORMER AND COOLING SYSTEM - PART 4: GAS AND LIQUID ACTUATED (BUCHHOLZ) RELAY FOR LIQUID IMMERSED TRANSFORMERS AND REACTORS WITH CONSERVATOR FOR RAIL VEHICLES
    BIS IS 13503 : 2013 CLASSIFICATION OF INSULATING LIQUIDS
    13/30281716 DC : 0 BS EN 50299-2 - OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT U[M] FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    IEEE 1653.1:2016 TRACTION POWER RECTIFIER TRANSFORMERS FOR SUBSTATION APPLICATIONS UP TO 1500 V DC NOMINAL OUTPUT
    13/30267448 DC : 0 BS EN 60079-6 ED 4.0 - EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY LIQUID IMMERSION 'O'
    CEI EN 61039 : 2009 CLASSIFICATION OF INSULATING LIQUIDS
    CEI EN 60079-6 : 2016 EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY LIQUID IMMERSION 'O'
    IEC 60137:2017 Insulated bushings for alternating voltages above 1000 V
    BS EN 60079-6:2007 EXPLOSIVE ATMOSPHERES - PART 6: EQUIPMENT PROTECTION BY BY LIQUID IMMERSION 'O'
    04/30117440 DC : DRAFT JUL 2004 IEC 60076-13. ED.1 - POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID FILLED TRANSFORMERS
    CLC/TR 50503 : 2010 Guidelines for the inventory control, management, decontamination and/or disposal of electrical equipment and insulating liquids containing PCBs
    CEI EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS
    IEEE C57.155 : 2014 GUIDE FOR INTERPRETATION OF GASES GENERATED IN NATURAL ESTER AND SYNTHETIC ESTER-IMMERSED TRANSFORMERS
    IEC 61039:2008 Classification of insulating liquids
    EN 61203 : 1994 SYNTHETIC ORGANIC ESTERS FOR ELECTRICAL PURPOSES - GUIDE FOR MAINTENANCE OF TRANSFORMER ESTERS IN EQUIPMENT
    EN 62770 : 2014 FLUIDS FOR ELECTROTECHNICAL APPLICATIONS - UNUSED NATURAL ESTERS FOR TRANSFORMERS AND SIMILAR ELECTRICAL EQUIPMENT (IEC 62770:2013)
    EN 60076-13 : 2006 POWER TRANSFORMERS - PART 13: SELF-PROTECTED LIQUID-FILLED TRANSFORMERS
    EN 50299-2 : 2014 OIL-IMMERSED CABLE CONNECTION ASSEMBLIES FOR TRANSFORMERS AND REACTORS HAVING HIGHEST VOLTAGE FOR EQUIPMENT UM FROM 72,5 KV TO 550 KV - PART 2: DRY-TYPE CABLE TERMINATIONS
    EN 61039 : 2008 CLASSIFICATION OF INSULATING LIQUIDS
    EN 60464-2:2001/A1:2006 VARNISHES USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    EN 60695-1-40 : 2014 FIRE HAZARD TESTING - PART 1-40: GUIDANCE FOR ASSESSING THE FIRE HAZARD OF ELECTROTECHNICAL PRODUCTS - INSULATING LIQUIDS (IEC 60695-1-40:2013)
    EN 50628:2016 ERECTION OF ELECTRICAL INSTALLATIONS IN UNDERGROUND MINES
    EN 60079-6:2015 Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o"
    EN 60310:2016/AC:2018-03 RAILWAY APPLICATIONS - TRACTION TRANSFORMERS AND INDUCTORS ON BOARD ROLLING STOCK (IEC 60310:2016/COR1:2018)
    EN 60455-2:2015 RESIN BASED REACTIVE COMPOUNDS USED FOR ELECTRICAL INSULATION - PART 2: METHODS OF TEST
    EN 60076-14 : 2013 POWER TRANSFORMERS - PART 14: LIQUID-IMMERSED POWER TRANSFORMERS USING HIGH-TEMPERATURE INSULATION MATERIALS
    EN 60695-8-1:2017 FIRE HAZARD TESTING - PART 8-1: HEAT RELEASE - GENERAL GUIDANCE (IEC 60695-8-1:2016)

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

    ISO 3016:1994 Petroleum products Determination of pour point
    ISO 2719:2016 Determination of flash point Pensky-Martens closed cup method
    IEC 62021-1:2003 Insulating liquids - Determination of acidity - Part 1: Automatic potentiometric titration
    IEC 62021-2:2007 Insulating liquids - Determination of acidity - Part 2: Colourimetric titration
    IEC 61125:1992 Unused hydrocarbon based insulating liquids - Test methods for evaluating the oxidation stability
    ISO 3675:1998 Crude petroleum and liquid petroleum products Laboratory determination of density Hydrometer method
    ISO 5661:1983 Petroleum products Hydrocarbon liquids Determination of refractive index
    IEC 61039:2008 Classification of insulating liquids
    IEC 60156:1995 Insulating liquids - Determination of the breakdown voltage at power frequency - Test method
    IEC 60475:2011 Method of sampling insulating liquids
    ISO 12185:1996 Crude petroleum and petroleum products Determination of density Oscillating U-tube method
    IEC 61620:1998 Insulating liquids - Determination of the dielectric dissipation factor by measurement of the conductance and capacitance - Test method
    IEC 60814:1997 Insulating liquids - Oil-impregnated paper and pressboard - Determination of water by automatic coulometric Karl Fischer titration
    IEC 61203:1992 Synthetic organic esters for electrical purposes - Guide for maintenance of transformer esters in equipment
    IEC 60247:2004 Insulating liquids - Measurement of relative permittivity, dielectric dissipation factor (tan d) and d.c. resistivity
    ISO 2211:1973 Liquid chemical products Measurement of colour in Hazen units (platinum-cobalt scale)
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