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Database: 365,228(8 Aug 2026)

g4 porosity

g4 porosity, Total:196 items.

The international standard classification for "g4 porosity" includes: Textile fabrics , Surface treatment , Metallic coatings , Other organic chemicals , Extraction and processing of petroleum and natural gas , Surface treatment and coating in general .

The Chinese standard classification for "g4 porosity" includes: Solid fuel ore in general , Basic standards and general methods , Material Protection , Organic chemicals in general , Petroleum development , Electronic element in general .


Group Standards of the People's Republic of China

Professional Standard - Coal

未注明发布机构

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 17720-1999 Metallic coatings - Review of porosity tests
  • GB/T 34533-2023 Determination of porosity,permeability and saturation of shale
  • GB/Z 45463-2025 Method for porosity measurement of thermally sprayed coatings
  • GB/T 33052-2016 Mieroporous functional membrane-Measurement for Porosity- Absorption method by cexane
  • GB/T 42697-2023 Nonwovens—Test method for porosity
  • GB/T 43102-2023 Metallic coatings—Porosity tests—Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • GB/T 17721-1999 Metallic coatings--Porosity tests --Ferroxyl test

Professional Standard - Electron

  • SJ 1280-1977 Test methods for porosity of metallic coatings

Professional Standard - Building Materials

Professional Standard - Aerospace

  • QJ 480-1979 test method for porosity of metallic coatings
  • QJ 480-1990 Test Method for Metal Clad Sheet Porosity

Taiwan Provincial Standard of the People's Republic of China

  • CNS 9206-1982 Method for Determining Intercommunicating Porosity of Sintered Metal, Oil Impregnated

Professional Standard - Petroleum

  • SY/T 6385-2016 Porosity and permeability measurement under overburden pressure

SE-SIS

Swedish Institute for Standards

  • SS 27117:1989 Geotechnical tests - Void ratio and porosity
  • SS-EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001)

British Standards Institution (BSI)

  • BS ISO 15901-1:2005 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption-Mercury porosimetry
  • BS EN ISO 10309:2016 Metallic coatings. Porosity tests. Ferroxyl test
  • BS ISO 15901-1:2016 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption. Mercury porosimetry
  • BS ISO 15901-1:2006 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Mercury porosimetry
  • BS 7591-1:1992(1999) Porosity and pore size distribution of materials — Part 1 : Method of evaluation by mercury porosimetry
  • 12/30234135 DC BS ISO 5017. Dense shaped refractory products. Determination of bulk density, apparent porosity and true porosity
  • BS ISO 15901-2:2006 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption-Analysis of mesopores and macropores by gas adsorption
  • 24/30488724 DC BS ISO 5017 Dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity
  • BS ISO 15901-3:2007 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption. Analysis of micropores by gas adsorption
  • BS EN ISO 10308:1997 Metallic coatings. Review of porosity tests
  • BS EN ISO 10308:2006 Metallic coatings. Review of porosity tests
  • BS EN 993-1:2018 Methods of test for dense shaped refractory products. Determination of bulk density, apparent porosity and true porosity
  • BS EN 1936:1999 Natural stone test methods. Determination of real density and apparent density and of total and open porosity
  • BS EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • BS EN ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • BS ISO 15901-2:2022 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Analysis of nanopores by gas adsorption
  • BS 7591-4:1993(1997) Porosity and pore size distribution of materials - Part 4: Method of evaluation by liquid expulsion
  • 20/30410823 DC BS ISO 15901-2. Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption. Part 2. Analysis of nanopores by gas adsorption
  • BS ISO 10049:2019 Aluminium alloy castings. Visual method for assessing porosity
  • 05/30132409 DC ISO 15901-3. Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption. Part 3. Analysis of micro-pores by gas adsorption

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 15901-1:2015 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 1: Mercury porosimetry
  • OS GSO ISO 10309:2013 Metallic coatings -- Porosity tests -- Ferroxyl test
  • OS GSO ISO 15721:2013 Metallic coatings -- Porosity tests -- Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • OS GSO ISO 15720:2013 Metallic coatings -- Porosity tests -- Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • OS GSO ISO/TR 26946:2014 Standard method for porosity measurement of thermally sprayed coatings
  • OS GSO ISO 12687:2013 Metallic coatings -- Porosity tests -- Humid sulfur (flowers of sulfur) test

Korean Agency for Technology and Standards (KATS)

  • KS A ISO 15901-1-2024 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 1: Mercury porosimetry
  • KS L ISO 5017-2023 Dense shaped refractory products ? Determination of bulk density, apparent porosity and true porosity
  • KS A ISO 9278:2012 Nuclear energy-Uranium dioxide pellets-Determination of density and volume fraction of open and closed porosity
  • KS A ISO 9278:2014 Nuclear energy — Uranium dioxide pellets — Determination of density and volume fraction of open and closed porosity
  • KS L ISO 5017-2013(2023) Dense shaped refractory products?Determination of bulk density, apparent porosity and true porosity
  • KS A ISO 15901-2-2024 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 2: Analysis of nanopores by gas adsorption
  • KS D 8542-2015 Standard method for porosity measurement of thermal spray coatings
  • KS D 8542-2015(2020) Standard method for porosity measurement of thermal spray coatings
  • KS D 8542-2020 Standard method for porosity measurement of thermal spray coatings

Kingdom of Bahrain Testing and Metrology Directorate

  • BH GSO ISO 15901-1:2016 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 1: Mercury porosimetry
  • BH GSO ISO 10308:2016 Metallic coatings -- Review of porosity tests
  • BH GSO ISO 15901-2:2016 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 2: Analysis of mesopores and macropores by gas adsorption
  • BH GSO ISO 15901-3:2016 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 3: Analysis of micropores by gas adsorption
  • BH GSO ISO 15720:2016 Metallic coatings -- Porosity tests -- Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • BH GSO ISO/TR 26946:2016 Standard method for porosity measurement of thermally sprayed coatings

GCC Standardization Organization

  • GSO ISO 15901-1:2015 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption -- Part 1: Mercury porosimetry
  • GSO ISO 15721:2013 Metallic coatings -- Porosity tests -- Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • GSO ISO 10308:2013 Metallic coatings -- Review of porosity tests
  • GSO ISO 10309:2013 Metallic coatings -- Porosity tests -- Ferroxyl test
  • GSO ISO 12687:2013 Metallic coatings -- Porosity tests -- Humid sulfur (flowers of sulfur) test
  • GSO ISO/TR 26946:2014 Standard method for porosity measurement of thermally sprayed coatings

Danish Standards Foundation

  • DANSK DS/ISO 15901-1:2016 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry
  • DS/EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • DANSK DS/EN ISO 10308:2006 Metallic coatings - Review of porosity tests
  • DANSK DS/EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • DS/EN ISO 10308:2006 Metallic coatings - Review of porosity tests
  • DS/EN ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • DS/EN 993-1:1995 Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity
  • DANSK DS/ISO 15901-2:2022 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption – Part 2: Analysis of nanopores by gas adsorption
  • DANSK DS/EN ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • DANSK DS/CEN/TR 14539:2021 Straight ammonium nitrate fertilizers – Comparative study on the determination of porosity (oil retention)
  • DANSK DS/EN ISO 12687:1998 Metallic coatings - Porosity tests - Humid sulfur (flowers of sulfur) test

German Institute for Standardization

  • DIN ISO 15901-1 E:2018-08 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry
  • DIN ISO 15901-1:2019 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry (ISO 15901-1:2016)
  • DIN ISO 15901-1 E:2018 Draft Document - Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry (ISO 15901-1:2016); Text in German and English
  • DIN ISO 15901-1:2018-08 Draft Document - Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry (ISO 15901-1:2016); Text in German and English
  • DIN EN ISO 10308:2006 Metallic coatings - Review of porosity tests (ISO 10308:2006); English version of DIN EN ISO 10308:2006-04
  • DIN EN ISO 10308:2006-04 Metallic coatings - Review of porosity tests (ISO 10308:2006); German version EN ISO 10308:2006
  • DIN EN ISO 15721:2001-08 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001); German version EN ISO 15721:2001
  • DIN EN 993-1:1995-04 Methods of test for dense shaped refractory products - Determination of bulk density, apparent porosity and true porosity
  • DIN EN ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001); German version EN ISO 15721:2001
  • DIN EN ISO 10309:2016-08 Metallic coatings - Porosity tests - Ferroxyl test (ISO 10309:1994); German version EN ISO 10309:2016
  • DIN EN ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography (ISO 15720:2001); German version EN ISO 15720:2001
  • DIN 25494:1991 Determination of density and open and closed porosity of uranium dioxide pellets; boiling water and immersion method
  • DIN EN 993-1:2019 Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity
  • DIN EN ISO 15720:2001-08 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography (ISO 15720:2001); German version EN ISO 15720:2001
  • DIN EN ISO 10309 E:2015-11 Metal Coating Porosity Test Ferroxyl Test (Draft)
  • DIN 66140:2022 Capillary flow porometry - Measurement of through pores in solids
  • DIN 66140:2022-02 Capillary Flow Porosimetry Measurement of Through-Pore Diameters in Solids
  • DIN EN ISO 10309:2016 Metallic coatings - Porosity tests - Ferroxyl test (ISO 10309:1994)
  • DIN 66140:2021-06 Draft Document - Capillary Flow Porometry - Measurement of through pores in solids
  • DIN EN ISO 12687:1998-09 Metallic coatings - Porosity tests - Humid sulfur (flowers of sulfur) test (ISO 12687:1996); German version EN ISO 12687:1998

SCC

  • AFS CH0500 Characteristics of Porosity in Cast Iron Wall Chart

Indonesia Standards

  • SNI ISO 5017:2010 Dense shaped refractory products - determination of bulk density, apparent porosity, and true porosity

International Organization for Standardization (ISO)

  • ISO 9278:2008 Nuclear energy - Uranium dioxide pellets - Determination of density and volume fraction of open and closed porosity
  • ISO 5017:1988 Dense shaped refractory products; determination of bulk density, apparent porosity and true porosity
  • ISO 15901-1:2005/Cor 1:2007 Evaluation of pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry; Technical corrigendum 1
  • ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • ISO 15721 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • ISO 10308:1995 Metallic coatings - Review of porosty tests
  • ISO 10308:2006 Metallic coatings - Review of porosity tests
  • ISO 15720 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • ISO 15721:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour
  • ISO 15901-2:2022 Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption — Part 2: Analysis of nanopores by gas adsorption
  • ISO 18332:2007 Metallic and other inorganic coatings - Definitions and conventions concerning porosity
  • ISO 10309 Metallic coatings - Porosity tests - Ferroxyl test
  • ISO 10309:1994 Metallic coatings - Porosity tests - Ferroxyl test
  • ISO 10049:2019 Aluminium alloy castings — Visual method for assessing porosity

Standards Norway

  • NS 8014:1982 Geotechnical testing - Laboratory methods - Void ratio, porosity and degree of saturation
  • NS 8014-1982 Geotechnical testing - Laboratory methods - Void ratio, porosity and degree of saturation
  • NS-EN 1936:1999 Natural stone test methods — Determination of real density and apparent density, and of total and open porosity
  • NS-EN ISO 15721:2001 Metallic coatings — Porosity tests — Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001)
  • NS-EN ISO 10308:1997 Metallic coatings — Review of porosity tests (ISO 10308:1995)
  • NS-EN ISO 10308:2006 Metallic coatings — Review of porosity tests (ISO 10308:2006)
  • NS-EN ISO 10309:2016 Metallic coatings — Porosity tests — Ferroxyl test (ISO 10309:1994)
  • SN-CEN/TR 14539:2021 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention)
  • NS-EN ISO 15720:2001 Metallic coatings — Porosity tests — Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography (ISO 15720:2001)

NL-NEN

  • NEN 2620-1982 Dense shaped refractory products — Determination of bulk density, apparent porosity and true porosity

Association Francaise de Normalisation

  • NF B10-615*NF EN 1936:2007 Natural stone test method - Determination of real density and apparent density, and of total and open porosity.
  • NF B10-615:1999 Natural stone test methods. Determination of real density and apparent density, and of total and open porosity.
  • NF EN ISO 10308:2006 Metallic Coatings – Review of Porosity Testing
  • NF A91-146:1997 Metallic coatings. Review of porosity tests.
  • NF EN ISO 15720:2001 Metallic coatings - Porosity testing - Porosity of gold or palladium coatings on metals by gel electrography
  • NF A91-146*NF EN ISO 10308:2006 Metallic coatings - Review of porosity tests.
  • NF A91-152*NF EN ISO 10309:2016 Metallic coatings - Porosity tests - Ferroxyl test
  • NF EN ISO 15721:2001 Metallic coatings - Porosity testing - Porosity of gold or palladium coatings by sulfurous acid/sulfur dioxide vapor test
  • NF EN ISO 10309:2016 Metallic coatings - Porosity tests - Ferroxyl test
  • NF ISO 5017:2013 Dense shaped refractory products - Determination of bulk density, open porosity and total porosity
  • NF B40-321*NF EN 993-1:2018 Methods of test for dense shaped refractory products - Part 1 : determination of bulk density, apparent porosity and true porosity
  • NF EN ISO 12687:1998 Metallic coatings - Porosity tests - Wet flower of sulfur test
  • NF EN ISO 18754:2022 Technical ceramics - Determination of density and apparent porosity
  • NF B40-321:1995 Methods of test for dense shaped refractory products. Part 1 : determination of bulk density, apparent porosity and true porosity.

Spanish Association for Standardization (UNE)

  • UNE 7311:1973 POROSITY TEST OF COVERING SLATES
  • UNE-EN ISO 15721:2002 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour. (ISO 15721:2001)
  • UNE-EN ISO 10309:2017 Metallic coatings - Porosity tests - Ferroxyl test (ISO 10309:1994)
  • UNE-EN 993-1:2018 Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity (Endorsed by Asociación Española de Normalización in January of 2019.)
  • UNE-EN 993-1:1996 METHODS OF TEST FOR DENSE SHAPED REFRACTORY PRODUCTS. PART 1: DETERMINATION OF BULK DENSITY, APPARENT POROSITY AND TRUE POSORITY.
  • AENOR UNE-EN ISO 10308:2007 Metallic coatings - Review of porosity tests (ISO 10308:2006)
  • UNE-EN ISO 15720:2002 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography. (ISO 15720:2001)
  • AENOR UNE-CR 14539:2003 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention).
  • UNE-CEN/TR 14539:2021 Straight ammonium nitrate fertilizers - Comparative study on the determination of porosity (oil retention) (Endorsed by Asociación Española de Normalización in July of 2021.)
  • UNE-EN ISO 10308:2007 Metallic coatings - Review of porosity tests (ISO 10308:2006)
  • AENOR UNE-EN ISO 10309:2017 Metallic coatings - Porosity tests - Ferroxyl test (ISO 10309:1994)

IN-BIS

Ente Nazionale Italiano di Unificazione

  • UNI EN ISO 10308:1999 Metallic coatings - Review of porosity tests
  • UNI EN ISO 10308:2006 Metallic coatings - Review of porosity tests
  • EC 1-2002 UNI EN 1936:2001 Natural stone test method - Determination of real density and apparent density, and of total and open porosity
  • UNI EN 1936:2001 Natural stone test method - Determination of real density and apparent density, and of total and open porosity
  • UNI EN 1936:2007 Natural stone test methods - Determination of real density and apparent density, and of total and open porosity
  • UNI EN 993-1:2019 Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity
  • EC 1-2021 UNI EN ISO 10309:2016 Metallic coatings - Porosity tests - Ferroxyl test
  • UNI EN ISO 15720:2001 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography
  • UNI 5825:1966 Powder metallurgy. Evaluation of apparent porosity of hard metals.
  • UNI EN 24505:1993 Hardmetals. Metallographic determination of porosity and uncombined carbon.

Gosstandart of Russia

  • GOST 33832-2016 Ammonium nitrate fertilizers. Determination of porosity
  • GOST 2409-1995 Refractories. Method for determination of bulk density apparent and true porosity, water absorbtion
  • GOST 2409-1967 Fireproof materials and products. Method for determining water absorption, apparent density, open and total porosity

American Society for Testing and Materials (ASTM)

  • ASTM D3258-00 Standard Test Method for Porosity of Paint Films
  • ASTM D4404-25 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
  • ASTM D4404-18 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
  • ASTM D4404-10 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
  • ASTM D7063/D7063M-18 Standard Test Method for Effective Porosity and Effective Air Voids of Compacted Asphalt Mixture Samples
  • ASTM D4404-84(1998)e1 Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
  • ASTM D7063/D7063M-17 Standard Test Method for Effective Porosity and Effective Air Voids of Compacted Asphalt Mixture Samples
  • ASTM D4404-84(2004) Standard Test Method for Determination of Pore Volume and Pore Volume Distribution of Soil and Rock by Mercury Intrusion Porosimetry
  • ASTM E2109-01 Test Methods for Determining Area Percentage Porosity in Thermal Sprayed Coatings

CZ-CSN

  • CSN 03 8154-1962 Determination of the porosity of protective coatings on steel.

GM Holden Ltd

European Committee for Standardization (CEN)

  • EN ISO 10308:2006 Metallic Coatings - Review of Porosity Tests
  • EN ISO 10308:1997 Metallic Coatings - Review of Porosity Tests ISO 10308: 1995
  • EN ISO 15721:2001 Metallic Coatings - Porosity Tests - Porosity in Gold or Palladium Coatings by Sulfurous Acid/Sulfur Dioxide Vapour ISO 15721:2001

IT-UNI

RO-ASRO

American Welding Society (AWS)

  • WRC 290:1983 Factors Affecting Porosity in Aluminum Welds - A Review

PL-PKN

  • PN C89651-1986 Catalysts Method of testing Detcrmination of porosity

WRC - Welding Research Council

Lithuanian Standards Office

  • LST EN 993-1-2001 Methods of test for dense shaped refractory products - Part 1: Determination of bulk density, apparent porosity and true porosity
  • LST EN ISO 15721:2002 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings by sulfurous acid/sulfur dioxide vapour (ISO 15721:2001)
  • LST EN ISO 15720:2002 Metallic coatings - Porosity tests - Porosity in gold or palladium coatings on metal substrates by gel-bulk electrography (ISO 15720:2001)
  • LST EN ISO 10308:2006 Metallic coatings - Review of porosity tests (ISO 10308:2006)

American National Standards Institute (ANSI)

  • ANSI/ASTM D2873:1994 Test Method for Interior Porosity of Poly (Vinyl Chloride) (PVC) Resins by Mercury Intrusion Porosimetry (08.02)

Japanese Industrial Standards Committee (JISC)

  • JIS D 4418:1996 Test procedure of porosity for brake linings and pads of automobiles
  • JIS R 2205:1992 Testing method for apparent porosity, water absorption specific gravity of refractory bricks

GM Europe

  • GME 17009-2013 Porosities and Surface-Discontinuities Forks Shift / Transmission M1x

Universal Oil Products Company (UOP)

  • UOP 578-2011 Automated Pore Volume and Pore Size Distribution of Porous Substances by Mercury Porosimetry