China porosity GB Standards List

China "porosity" GB Standards List:

Standard Code	Standard Title	Standard Class	Order
GB/T 43102-2023	Metal coatings porosity test Determination of porosity of gold or palladium coatings using sulfurous acid/sulfur dioxide vapor {译} 金属覆盖层孔隙率试验用亚硫酸/二氧化硫蒸汽测定金或钯镀层孔隙率	China National Standards porosity	English PDF
GB/T 43101-2023	Metallic and other inorganic coatings Definition and general rules regarding porosity {译} 金属及其他无机覆盖层关于孔隙率的定义和一般规则	China National Standards porosity	English PDF
GB/T 34533-2023	Shale porosity, Permeability and Saturation Determination {译} 页岩孔隙度、渗透率和饱和度测定	China National Standards porosity	English PDF
GB/T 42697-2023	Nonwovens - Test method for porosity {译} 非织造布孔隙率测试方法	China National Standards porosity	English PDF
GB/T 3488.4-2022	Cemented carbide - Metallographic determination of microstructure - Part 4: Metallographic determination of porosity, non-combined carbon defects and decarburized phases {译} 硬质合金显微组织的金相测定第4部分：孔隙度、非化合碳缺陷和脱碳相的金相测定	China National Standards porosity	English PDF
GB/T 9966.3-2020	Test methods for natural stone--Part 3: Determination of water absorption, bulk density, true density and true porosity 天然石材试验方法第3部分：吸水率、体积密度、真密度、真气孔率试验	China National Standards porosity	English PDF
GB/T 37787-2019	Metallic materials—Determination of microporosity—Fluorescence method 金属材料显微疏松的测定荧光法	China National Standards porosity	English PDF
GB/T 34533-2017	Measurement of helium porosity and pulse decay permeability of shale 页岩氦气法孔隙度和脉冲衰减法渗透率的测定	China National Standards porosity	English PDF
GB/T 5019.12-2017	Specification for insulating materials based on mica— Part 12：Glass fabric backup epoxy dry mica tape with high porosity 以云母为基的绝缘材料第12部分：高透气性玻璃布补强环氧少胶云母带	China National Standards porosity	English PDF
GB/T 33052-2016	Microporous functional membrane—Measurement for porosity—Absorption method by cetane 微孔功能薄膜孔隙率测定方法十六烷吸收法	China National Standards porosity	English PDF
GB/T 3810.3-2016	Test methods of ceramic tiles—Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density 陶瓷砖试验方法第3部分：吸水率、显气孔率、表观相对密度和容重的测定	China National Standards porosity	English PDF
GB/T 2998-2015	Test method for bulk density and true porosity of shaped insulating refractory products 定形隔热耐火制品体积密度和真气孔率试验方法	China National Standards porosity	English PDF
GB/T 2997-2015	Test method for bulk density, apparent porosity and true porosity of dense shaped refractory products 致密定形耐火制品体积密度、显气孔率和真气孔率试验方法	China National Standards porosity	English PDF
GB/T 3489-2015	Hardmetals—Metallographic determination of porosity and uncombined carbon 硬质合金孔隙度和非化合碳的金相测定	China National Standards porosity	English PDF
GB/T 21650.3-2011	Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part3: Analysis of micropores by gas adsorption 压汞法和气体吸附法测定固体材料孔径分布和孔隙度第3部分：气体吸附法分析微孔	China National Standards porosity	English PDF
GB/T 24529-2009	Carbon materials-determination of open porosity 炭素材料显气孔率的测定方法	China National Standards porosity	English PDF
GB/T 24586-2009	Iron ores - Determination of apparent density，true density and porosity 铁矿石表观密度、真密度和孔隙率的测定	China National Standards porosity	English PDF
GB/T 23561.4-2009	Methods for determining the physical and mechanical properties of coal and rock - Part 4: Methods for calculating the porosity of coal and rock 煤和岩石物理力学性质测定方法第4部分：煤和岩石孔隙率计算方法	China National Standards porosity	English PDF
GB/T 22638.2-2008	Test methods for aluminium and aluminium alloy foils - Part 2: Determination of porosity 铝箔试验方法第2部分：针孔的检测	China National Standards porosity	English PDF
GB/T 6155-2008	Carbon materials-determination of the true density or porosity 炭素材料真密度和真气孔率测定方法	China National Standards porosity	English PDF
GB/T 4511.1-2008	Coke - Determination of true relative density apparent relative density and porosity 焦炭真相对密度、假相对密度和气孔率的测定方法	China National Standards porosity	English PDF
GB/T 21650.2-2008	Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 2: Analysis of mesopores and macropores by gas adsorption 压汞法和气体吸附法测定固体材料孔径分布和孔隙度第2部分：气体吸附法分析介孔和大孔	China National Standards porosity	English PDF
GB/T 21650.1-2008	Pore size distribution and porosity of solid materials by mercury porosimetry and gas adsorption - Part 1: Mercury porosimetry 压汞法和气体吸附法测定固体材料孔径分布和孔隙度第1部分：压汞法	China National Standards porosity	English PDF
GB/T 5163-2006	Sintered metal materials，excluding hardmetals - Permeable sintered metal materials - Determination of density，oil content，and open porosity 烧结金属材料（不包括硬质合金）可渗性烧结金属材料密度、含油率和开孔率的测定	China National Standards porosity	English PDF
GB/T 3810.3-2006	Test method of ceramic tiles Part 3: Determination of water absorption, apparent porosity, apparent relative density and bulk density 陶瓷砖试验方法第3部分:吸水率、显气孔率、表观相对密度和容重的测定	China National Standards porosity	English PDF
GB/T 19351-2003	Metallic coatings--Determination of porosity in gold coatings on metal substrates--Nitric acid vapour test 金属覆盖层金属基体上金覆盖层孔隙率的测定硝酸蒸汽试验	China National Standards porosity	English PDF
GB/T 9966.3-2001	Test methods for natural facing stones--Part 3:Test methods for bulk density，true density，true porosity and water absorption 天然饰面石材试验方法第3部分:体积密度、真密度、真气孔率、吸水率试验方法	China National Standards porosity	English PDF
GB/T 2998-2001	Shaped insulating refractory products--Determination of bulk density and true porosity 定形隔热耐火制品体积密度和真气孔率试验方法	China National Standards porosity	English PDF
GB/T 2997-2000	Test method for bulk density，apparent porosity and true porosity of dense shaped refractory products 致密定形耐火制品体积密度、显气孔率和真气孔率试验方法	China National Standards porosity	English PDF
GB/T 18179-2000	Metallic coatings--porosity tests--Humid sulfur(flowers of sulfur) test 金属覆盖层孔隙率试验潮湿硫(硫华)试验	China National Standards porosity	English PDF
GB/T 17721-1999	Metallic coatings--porosity tests--Ferroxyl test 金属覆盖层孔隙率试验铁试剂试验	China National Standards porosity	English PDF
GB/T 17720-1999	Metallic coatings--Review of porosity tests 金属覆盖层孔隙率试验评述	China National Standards porosity	English PDF
GB/T 1966-1996	Test method for apparent porosity and bulk density of porous ceramic 多孔陶瓷显气孔率、容重试验方法	China National Standards porosity	English PDF
GB/T 11927-1989	Uranium dioxide pellets--Determination of density and amount of open porosity--Penetration immersion method 二氧化铀芯块密度和开口孔隙度的测定液体浸渍法	China National Standards porosity	English PDF
GB/T 11415-1989	Laboratory sintered (fritted)filters--porosity grading， classification and designation 实验室烧结(多孔)过滤器孔径、分级和牌号	China National Standards porosity	English PDF
GB/T 11346-1989	Radiographs for inspection grading of gas porosity (round) in aluminium alloy casting 铝合金铸件X 射线照相检验针孔(圆形)分级	China National Standards porosity	English PDF
GB/T 3489-1983	Hardmetals--Metallographic determination of porosity and uncombined carbon 硬质合金孔隙度和非化合碳的金相测定	China National Standards porosity	English PDF

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