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怎么样合理地选择ca88手机版登录材料
怎么样合理地选择ca88手机版登录材料
文章来源:本站原创  作者:网站管理员  浏览:6 更新时间:2019-08-04 18:02:32

 怎么样合理地选择ca88手机版登录材料?

 
  1)不同的结构形式选择不同性能的材料。
 
  2)根据使用温度范围选择ca88手机版登录隔热材料。
 
  3)为确保节能效果,务必选用高效优质的ca88手机版登录隔热材料。
 
  4)ca88手机版登录隔热材料的密度要满足建筑绝热工程的要求。
 
  5)ca88手机版登录隔热材料要有良好的化学稳定性。
 
  6)ca88手机版登录隔热材料的使用年限要与被ca88手机版登录隔热主体的正常维修期基本适应。
 
  7)ca88手机版登录隔热材料应首选不燃的或难燃的ca88手机版登录隔热材料。
 
  8)ca88手机版登录隔热材料应选用吸水率小的材料。
 
  9)ca88手机版登录隔热材料在施工安装时应方便易行,既操作简单,又易于保证绝热工程的质量。
 
  10)绝热材料在建筑中常见的应用类型及设计选用应符合GB/T17369-1998《建筑绝热材料的应用类型和基本要求》的规定。
 
  11)ca88手机版登录性能的优劣主要通过导热系数(λ)反映,导热系数表征材料在稳定传热状况下的导热能力,导热系数值越小越好。
 
  12)λ=0.20W/(m·K)作为ca88手机版登录材料和非ca88手机版登录材料的分界值,λ>0.20W/(m·K)的材料一般不应作为ca88手机版登录材料使用。
 
  13)选用时除应考虑材料的导热系数(导热系数不大于0.175W/(m·K))外,还应考虑材料的吸水率、燃烧性能、强度等指标。不同绝热材料的性能特点见相应的分类指南。
How to choose the insulation material reasonably?

1) Different structural forms select materials with different properties.
2) Thermal insulation materials are selected according to the temperature range of use.
3) In order to ensure energy-saving effects, it is necessary to select high efficiency and high quality thermal insulation materials.
4) The density of thermal insulation materials should meet the requirements of building thermal insulation engineering.
5) Thermal insulation materials must have good chemical stability.
6) The service life of thermal insulation materials should be basically adapted to the normal maintenance period of the heat insulation subject.
7) Thermal insulation materials should be the first choice of non-flammable or non-flammable thermal insulation materials.
8) Thermal insulation materials should use materials with low absorption of water.
9) Thermal insulation materials should be readily and easily installed during construction and installation. It is not only simple to operate, but also easy to ensure the quality of thermal insulation projects.
10) The type of application and design selection of insulation materials common in buildings should meet the requirements of GB/T17369 -1998 "Application Types and Basic Requirements for Building Insulation Materials."
11) The advantages and disadvantages of thermal insulation performance are mainly reflected by the thermal conductivity coefficient(λ). The thermal conductivity coefficient represents the thermal conductivity of the material under stable heat transfer conditions. The smaller the thermal conductivity value, the better.
12) λ = 0.20 W /(M · K) as the boundary between thermal insulation material and non-thermal insulation material, λ & GT; 0.20 W /(M · K) materials should not generally be used as insulation materials.

 
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