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判断保温材料的质量的标准

来源:http://www.sdyingxu.com/news/23.html 发布时间:2017-03-20

市面上越来越多的保温材料让人们选择起来也是头疼,其实每种保温材料的性能都不一样,各有个的利与弊。那么我们在选择保温材料时,该如何判断保温材料的质量问题呢?
More and more insulation materials on the market to allow people to pick up is also a headache, in fact, the performance of each kind of insulation materials are not the same, each has its advantages and disadvantages. So when we choose insulation materials, how to judge the quality of insulation materials?
吸水率是一项衡量保温材料保温性能稳定性的一项重要指标,但是不是完全不吸水的保温材料就是好的材料呢?我们先说明一下透气性这项技术指标,因为它和吸水率是相关联的,透气性它是指水汽扩散阻力。

GPES保温板
Water absorption rate is an important index to measure the stability of heat preservation material, but it is not a good material We first explain the technical index of permeability, because it is associated with water absorption, permeability, which refers to the water vapor diffusion resistance.
如果外墙外保温系统透气性不好,水气扩散受阻,一是阻碍墙体向外排湿,影响饰面涂料的颜色;二是产生应力,使涂膜鼓泡,脱落;三是导致墙身含湿量逐步增加,产生冷凝水富集,从而给墙体热工、结构等性能带来不利影响,四是即使外墙外保温系统节能达标了,但却造成室内空气浑浊,不适合人居。
If the permeability is not good exterior insulation system, water vapor diffusion is blocked, a blocking wall outward moisture, effect of decorative coating color; two is to produce stress, make the film bubbling off; three is the result of the wall moisture content gradually increased, condensed water enrichment, adverse impact to the wall the structure, thermal performance, four is the standard system of energy-saving exterior insulation even, but caused by indoor air pollution, not suitable for living.
理想的外墙系统应既没有吸水性,又没有水汽扩散阻力,二者要兼顾和统一。也就是说,对于外墙外保温体系,吸水性和透气性是要同时满足的。
The ideal external wall system should have no water absorption, and no water vapor diffusion resistance, the two should be taken into account and unity. In other words, for the external wall insulation system, water absorption and permeability are to be met at the same time.
本文由GPES保温板为您提供,我们的网站是:http://www.sdyingxu.com我们将以全心全意的热情为您提供更优质的服务,欢迎您的访问!
This article by the GPES insulation board to provide you, our website is: http://www.sdyingxu.com we will be dedicated to provide you with the best quality service, welcome your visit!

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