日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    basic introduction

    In order to promote energy conservation and environmental protection, with the approval of the State Council, from February 1, 2015, the consumption tax on coatings with a volatile organic compound (VOC) content greater than 420g/L under construction will be levied.

    Paint refers to the general term for a class of liquid or solid materials that can be applied to the surface of an object to form a solid coating with protection, decoration or special properties.

    The Chinese coatings industry defines VOC as "any organic compound with an initial boiling point less than or equal to 250 °C at a standard pressure of 101.3 kPa.

    standard test

    GB 18581-2009 "Interior Decoration Materials, Limits of Harmful Substances in Solvent-Based Wood Coatings"

    GB 18582-2008 "Limit of harmful substances in interior wall coating materials for interior decoration"

    GB 24613-2009 "Limits for Harmful Substances in Paints for Toys"

    GB 24410-2009 "Limit of harmful substances in water-based wood coatings for interior decoration materials"

    GB 24408-2009 "Limit of harmful substances in exterior wall coatings for construction"

    GB/T 1725-2007 "Determination of Non-Volatile Content in Paints, Varnishes and Plastics"

    GB/T 23985-2009 "Determination of Volatile Organic Compound (VOC) Content of Paints and Varnishes" Difference Method"

    GB/T 23986-2009 "Determination of Volatile Organic Compounds in Paints and Varnishes Part 2 Gas Chromatography"

    HJ 2537-2014 "Technical Requirements for Environmental Labeling Products Waterborne Coatings"

    Test product range

    The coating consists of primary film-forming substances, secondary film-forming substances, etc.

    According to the main film-forming substance coatings: oils, natural resins, phenolic resins, asphalts, alkyd resins, amino resins, nitros, filter vinyl resins, vinyl resins, acrylic resins, Polyester resins (aqueous coatings), epoxy resins, polyurethane resins, elemental organics, rubbers, celluloses, other film-forming materials, etc. (Including solvent-based and water-based paint.)

    Separate resins, curing agents, thinners and auxiliary film-forming substances in coatings do not need to be tested.

    In order to promote energy conservation and environmental protection, with the approval of the State Council, from February 1, 2015, the consumption tax on coatings with a volatile organic compound (VOC) content greater than 420g/L under construction will be levied.

    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.

    Paint VOC testing

    In order to promote energy conservation and environmental protection, with the approval of the State Council, from February 1, 2015, the consumption tax on coatings with a volatile organic compound (VOC) content greater than 420g/L under construction will be levied.

    Get a quote
    99久久国产综合精品网成人影院| 欧美mv日韩mv国产网站 | 成人在色线视频在线观看免费大全 | 久久精品国产成人| 免费播放很黄很色毛片| 无码专区国产精品视频| 亚洲乱亚洲乱少妇无码99P| 欧美老人与小伙子性生交| 拍国产乱人伦偷精品视频| 国产精品久久精品国产| 成人H无码动漫超W网站| 亚洲精品成人片在线观看| 少妇白浆高潮无码免费区| 国产裸体美女永久免费无遮挡| 亚洲国产精品无码成人片久久| 一色屋精品视频在线观看免费 | 日韩高清亚洲日韩精品一区二区三区| 中文字幕人妻熟人妻熟丝袜美| 中文字幕在线永久视频| 国产精品揄拍100视频| 18禁裸体女免费观看| 色妞AV永久一区二区国产AV开| 五月天激情婷婷婷久久| 久久精品国产亚洲AV无码麻豆| 亚洲国产天堂久久综合226114| 中国老太婆xxxhd| 在线精品视频一区二区三区| 色噜噜狠狠色综合成人网| 妓院一钑片免看黄大片| 日韩无码专区| 18成禁人视频免费| 国产色视频一区二区三区| 国产丝袜足交视频| 日本免费一区二区视频| 久久无码av三级| 久久精品无码一区二区三区不卡| 在线亚洲欧美日韩精品专区| 人妻精品久久无码区| 性一交一乱一伦一| 波多野吉衣av无码| 久久久不卡国产精品一区二区|