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
强行交换配乱婬bd| 色费女人18毛片A级毛片视频| 少妇高潮毛片免费看| 久久精品免费看18网站| 亚洲日本视频在线| 99久久久无码国产精品性ww| 福利在线一区二区| 国产精品1区| 日本不卡中文字幕| av一本中文字幕在线观看| 97精品国产91久久久久久| 99热这里只有精品7| 日韩不卡AV| 久久天天躁狠狠躁夜夜不卡| 九九精品九九| 欧美成人经典三级在线观看| 文中字幕一区二区三区视频播放 | 亚洲av永久无码精品秋霞电影影院| 欧美日本国产va高清cabal| 少妇av射精精品蜜桃专区 | 亚洲AV精品动漫一区二区三区| 可播放的免费男同GAY| 巨胸喷奶水WWW视频网站 | 日韩人妻一区二区三区蜜桃视频| 国产成人精品久久综合| 亚洲va中文字幕| 99久久无色码中文字幕| 国产91精品对白露脸全集观看| 成人av在线一区二区三区| 尤物视频最新网址| 国产日本三级| 91视频九色视频| 免费高清AV一区二区三区| 特殊重囗味SM在线观看无码| 极品少妇XXXX精品少妇| 亚洲 一区二区 在线| 亚洲爆乳少妇无码激情| 亚洲熟妇无码av在线播放| 欧美 日韩 国产 成人 在线观看| 久久99国产综合精品| 亚洲成av人片乱码色午夜|