<rp id="54vfu"><object id="54vfu"><input id="54vfu"></input></object></rp>

    
    
  • <button id="54vfu"><acronym id="54vfu"></acronym></button>
    <rp id="54vfu"></rp>

    <tbody id="54vfu"></tbody>
  • <th id="54vfu"><track id="54vfu"></track></th>

    欢迎来到艾思荔高低温试验箱厂家网站!

    全国服务热线

    136-0232-8526

    热门产品: 高低温试验箱 步入式高低温湿热试验室 高低温交变试验箱 高低温冲击试验箱 高低温湿热试验箱

    新闻动态

    • 行业动态
    • 技术文章
    • 点击这里给我发消息 点击这里给我发消息 咨询热线:136-0232-8526
      客服邮箱:asLi898@163.com saLes@asLi163.com
      联系电话:艾先生 136-0232-8526
      公司地址:广东东莞东城立新金汇工业园

    高低温试验箱ASTM D4799标准

    来源:本站 发布时间:2018-11-03 15:18:00 阅读:488

    本页面标准信息均来源于网络收集,或由参与标准制定的供应商提供,只作为参考使用,为确保测试结果的准确性、节省您的时间,如需ASTM D4799标准详细信息或ASTM D4799具体测试方法,欢迎与我们技术人员联系或给我们留言,我们将为您相关的技术支持。

    ?

    ASTM D4799标准介绍

    ASTM D4799-00简介

    沥青材料(荧光紫外线、喷淋及冷凝法)加速老化测试条件和测试程序的标准测试方法:

    本测试方法描述了根据G151和G154沥青屋面和防水材料(最低软化点约95°) 的做法进行荧光紫外线和冷凝曝露测试的测试条件和程序。

    ?

    ASTM D4799-00英文简介
    1. Scope

    1.1 This test method covers the test conditions and procedures that are applicable when Practice G53 is employed for the exposure of bituminous roofing and waterproofing materials having a minimum softening point of approximately 200°F (95°C) as determined by Test Method D36.

    1.2 The values stated in inch-pound units are to be regarded as the standard.

    1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

    2. Referenced Documents

    ASTM Standards

    D36 Test Method for Softening Point of Bitumen (Ring-and-Ball Apparatus)

    D1669 Practice for Preparation of Test Panels for Accelerated and Outdoor Weathering of Bituminous Coatings

    D1670 Test Method for Failure End Point in Accelerated and Outdoor Weathering of Bituminous Materials

    G113 Terminology Relating to Natural and Artificial Weathering Tests of Nonmetallic Materials

    G141 Guide for Addressing Variability in Exposure Testing of Nonmetallic Materials

    G147 Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests

    G151 Practice for Exposing Nonmetallic Materials in Accelerated Test Devices that Use Laboratory Light Sources

    G154 Practice for Operating Fluorescent Light Apparatus for UV Exposure of Nonmetallic Materials

    ?

    ▼ASTM D4799第三方检测机构

    以上标准信息来自互联网搜索整理,如需了解完整的ASTM D4799的信息或ASTM D4799标准解读,欢迎详询。

    ?

    无遮挡H肉动漫网站免费观看,高H无码大尺度肉免费视频,无码纯肉高H视频在线观看