中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

Hotline:400-880-1556

English




basic introduction

ZRLK testing has created a professional graphite testing and analysis solution, providing professional accurate and reliable testing services for the composition, physical properties, chemical properties, and chemical properties of graphite materials and products.

Graphite detection range

Natural graphite, dense crystalline graphite, flake graphite, flake graphite, cryptocrystalline graphite, graphite powder, graphite paper, expanded graphite, graphite emulsion, expandable graphite, earthy graphite, conductive graphite powder, graphene, etc.

Graphite testing project

Content analysis: fixed carbon, moisture, impurity content, etc.

Physical properties: hardness, ash, viscosity, fineness, particle size, volatile matter, specific gravity, specific surface area, melting point, etc.

Mechanical properties: tensile strength, brittleness, bending test, tensile test, etc.

Chemical properties: water resistance, durability, acid and alkali resistance, corrosion resistance, weather resistance, heat resistance, etc.

Other parameters: electrical conductivity, thermal conductivity, lubricity, chemical stability, thermal shock resistance, etc.

Graphite testing standards

AS 2134.2-1999 Chemical analysis-Atomic absorption spectrometry operating procedures Part 2: Graphite furnace spectrometry

AS 4090-1993 Determination of lead content in whole blood Graphite furnace atomic absorption spectrometry

AS 4195.1-1994 Trace-level analysis of serum and plasma. Part 1: Determination of aluminum content Graphite furnace atomic absorption spectrometry

ASTM A247-2010 Test method for evaluating graphite microstructure in iron castings

ASTM A842-2011a Standard Specification for High-Density Graphite Cast Iron

ASTM C559-1990 (2010) Test method for determining bulk density of carbon processed products and graphite products by physical measurement method

ASTM C560-1988 (2010) e1 graphite chemical analysis test method

ASTM C561-1991 (2010) Test method for ash in graphite samples

ASTM C562-1991 (2010) Test method for moisture in e1 graphite samples

ASTM C565-1993 (2010) e1 mechanism carbon and graphite material tensile test method

Our advantage

1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.


Online consultation

Online consultation

Recommend
  • BSCI certification

    BSCI certification

    BSCI certification is an abbreviation of BusinessSocialComplianceInitiative, and Chinese is called business social standard certification. BSCI is an organization that advocates the business community to abide by social responsibility. At the same time, it is a non-profit organization.

  • Enterprise CMA certification

    Enterprise CMA certification

    CMA, the name is \"China Metrology Accreditation\", the abbreviation of \"China Metrology Accreditation\" in English. According to the provisions of Article 22 of the Metrology Law of the People’s Republic of China: “The product quality inspection agency that provides notarized data to the society must be evaluated by the metrological administrative department of the people’s government at or above the provincial level for the capability and reliability of metrological verification and testing. Qualified.\"

  • CNAS certification

    CNAS certification

    Laboratory accreditation is a third-party certification that CNAS has the ability to perform specific testing and calibration work for testing and calibration laboratories.

Graphite testing

ZRLK testing has created a professional graphite testing and analysis solution, providing professional accurate and reliable testing services for the composition, physical properties, chemical properties, and chemical properties of graphite materials and products.

Get a quote
日本大骚b视频在线| 亚洲无码视频一区| 女人高潮流白浆视频| av无码久久久久不卡蜜桃| 欧美黄片| 嫩b人妻精品一区二区三区| 少妇bbbbb撒尿视频| 国产精品一久久香蕉国产线看观看| 又大又粗又爽又黄的少妇毛片| 久久久无码精品亚洲国产| 国产成人综合在线视频| 亚洲中文字幕无码av| 国产suv精品一区二区五| 免费观看一区二区三区| 波多野结衣办公室33分钟| 久久久国产一区二区三区| 久久亚洲AV午夜福利精品一区二区三区 | 爽到高潮无码视频在线观看| 亚洲AV永久无码天堂网毛片| 亚洲av无码一区二区三区四区 | 黑鬼大战白妞高潮喷白浆| 国产精品18久久久久久无码| 成人欧美日韩视频一区| 中文字幕在线免费视频| 国产99久久九九精品无码| 欧美日韩综合一区二区三区| 鲁鲁鲁爽爽爽在线视频观看| 377p欧洲日本亚洲大胆| 中国杭州少妇xxxx做受| 无码gogo大胆啪啪艺术| 99久久国产宗和精品1上映| 在线a毛片免费视频观看| 欧美最大胆的西西人体44| 亚洲成av人片不卡无码| 大地资源网更新免费播放视频| 国产理论剧情大片在线播放| JAPAN高清日本乱XXXXX| 精品国产亚洲AV麻豆狂野| 久久一本精品久久精品66| 精品国产一区二区av片| 国产啪亚洲国产精品69堂|