• <cite id="4k6vu"><listing id="4k6vu"></listing></cite>
  • 
    
      <dd id="4k6vu"></dd>
        <ul id="4k6vu"><th id="4k6vu"></th></ul>
        <cite id="4k6vu"></cite>

        Hello,Welcome to Normal Website!

        Service Items

        Contact US

        Tell:+86-571-85691658
        Fax:+86-571-28867000
        E-mail:[email protected]
        Address:North block, 9 block,, Jiangling, Binjiang District, Hangzhou, Zhejiang

        Material & Automotive Part

        HOME>>Material & Automotive Part

        Acoustic test

        NormalTCI can provide comprehensive services such as research and development testing, export testing, and environmental certification for your products.

         

        We have been committed to providing integrated and comprehensive services for all aspects of building acoustic testing. We focus on products and engineering, and have developed a series of comprehensive performance tests related to building acoustics.

        Test product

        Acoustic performance parameters

        Test Standard

        Conventional building doors and windows


        GB/T8485

        Special doors and windows (fire doors,   passenger compartment doors, escape doors)

        Air sound insulation

        GB/T19889.3

        High strength boards for partitions

        Lateral airborne sound transmission

        ISO 10140-2

        Strip walls, various types of aerated block   walls


        ASTM E90

        ISO 10848

        Flooring, carpets, and other flooring   materials

        Improvement in Impact Sound

        GB/T19889.8

        ISO 10140-3

        ASTM E2179

        Acoustic ceiling

        Sound absorption coefficient

        GB/T 20247

        ISO 354

        ASTM C423

        Water pipe

        Noise

        ISO 3822

        We can also conduct various on-site testing and certification for buildings. We can provide a series of related services, such as professional diagnostic testing and data-driven solutions, to address various issues in construction and potential hazards in the design phase of new buildings.

        Engineering site issues

        Acoustic performance parameters

        Test Standard

        ●Rest and office spaces are disturbed   by outdoor noise

        ● Sound transmission and leakage between   residential/hotel rooms

        Air sound insulation

        Impact sound pressure level

        GB/T19889.4/ISO140-4

        GB/T19889.5/ISO140-5

        GB/T19889.7/ISO140-7

        ASTM E336,ASTM E966

        ● Noise issues from air conditioning,   elevators, and other equipment within the building itself

        ●Noise emissions from construction   sites, factories, and social life in outdoor environments

        ●The impact of workplace noise on   employees

        Noise

        GB50118

        GB/T18204.22

        GB3096, GB22337

        GB12523, GB12348

        GBZ/T189.8

        ●Low language clarity in places such   as performance buildings, sports halls, business halls, auditoriums, and   lecture halls

        ●Poor playback effect of the sound   reinforcement system

        reverberation time

        Quality of Language Communication

        Characteristics of sound reinforcement   system

        GBJ76-84

        GB 4959

         

        Please consult NormalTCI for specific questions

        National Unified Service Hotline: 400-6177-880

        Email [email protected]

        Copyright @ 2015 NORMAL (HANGZHOU) TESTING & CERTIFICATION CO., LTD.  

        Tell:+86-571-28906690  E-mail:[email protected]  Service Hotline:400-6177-880  Fax:+86-571-28867000

        If you have any comments on the website, please email to:[email protected]

      1. <cite id="4k6vu"><listing id="4k6vu"></listing></cite>
      2. 
        
          <dd id="4k6vu"></dd>
            <ul id="4k6vu"><th id="4k6vu"></th></ul>
            <cite id="4k6vu"></cite>

            国产成人精品 视频 | 青青草成人免费在线视频 | 一本久久综合亚洲鲁鲁五月天 | 成人性生活免费视频 | 99re免费视频精品全部 |