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  • 保温材料如何辨别好坏?
  • 本站编辑:cc彩球网国际平台登录发布日期:2019-08-15 10:24 浏览次数:

随着国家对建筑节能的推进,一系列政策规范相应出台实施,保温材料一度被推到风口浪尖,加之也有很多人都在为选择保温材料而拿不定主意。越来越多的人开始注重保温材料的导热系数及吸水率。然而,如何选择一种保温材料,导热系数高吸水率好就真的是好的保温材料吗?究竟保温材料如何辨别好坏?

With the development of building energy saving, a series of policies and regulations have been introduced and implemented. Thermal insulation materials have been pushed to the top of the wind. In addition, many people are uncertain about choosing thermal insulation materials. More and more people begin to pay attention to thermal conductivity and water absorption of thermal insulation materials. However, how to choose a thermal insulation material, thermal conductivity and high water absorption is really a good thermal insulation material? How to distinguish between good and bad insulation materials?

保温材料如何辨别好坏?

How to distinguish between good and bad insulation materials?

很多人在选择保温材料作为外保温主材时仅凭导热系数或吸水率的高低作为评价依据,而实际上导热系数是衡量保温材料的保温性能的一项指标,并且也是选择保温材料的重要参考项,但衡量保温材料好坏的指标并非只是导热系数这一项就能够决定的,一定要参考以下几项指标综合判断:

Many people only rely on the thermal conductivity or water absorption as the evaluation basis when choosing thermal insulation material as the main material of external insulation. In fact, thermal conductivity is an index to measure the thermal insulation performance of thermal insulation material, and it is also an important reference for choosing thermal insulation material. But the index to measure the quality of thermal insulation material is not only thermal conductivity. The coefficient can be determined by referring to the following indicators.

1、吸水率:建筑保温是为建筑穿上一件棉袄,这件棉袄除了要保温外,还不能吸水。

1. Water absorption: Building insulation is to put on a cotton jacket for the building. This cotton jacket can not absorb water besides keeping warm.

2、透气性:透气性这项技术指标是指水汽扩散阻力。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。

2. Permeability: Permeability is the technical index of water vapor diffusion resistance. If the permeability of the external wall insulation system is not good and the diffusion of water and air is blocked, one is to prevent the wall from draining moisture outward, which affects the color of the decorative coating; the other is to produce stress, which makes the film bubbling and falling off; and the third is to cause the moisture content of the wall to increase gradually, resulting in condensation water enrichment, which has adverse effects on the thermal and structural properties of the wall. Fourth, even if the external wall insulation system energy-saving standards, but it causes indoor air turbidity, not suitable for human settlements.

3、粘结强度:反映判断墙体保温材料的粘结牢固程度,为减少和避免墙体保温系统的空鼓.开裂和脱落现象,确保安全耐久性的使用功能。

3. Bond strength: It reflects the judgment of the bond strength of wall insulation materials, in order to reduce and avoid the phenomenon of hollowing, cracking and falling off of wall insulation system, and ensure the safe and durable use function.

4、抗拉强度:保温板要满足一定的抗拉强度或撕裂强度。

4. Tensile strength: The insulation board should satisfy certain tensile strength or tear strength.

5、抗压强度

5. Compressive strength

6、防火性能:防火性能会有相应的材料的防火性能级别,

6. Fire-proof performance: Fire-proof performance will have the corresponding level of fire-proof performance of materials.

7、环保性

7. Environmental Protection

8、使用寿命

8. Service life

保温材料的选择可说是一项辛苦活儿,望朋友们能够仔细考量筛选,一定不要盲目的选择。随着国家对建筑节能的推进至今,保温材料的发展也更得到了进一步的发展和完善品类也更多样化,认真挑选到适合自己的想必才是比较好的。

The choice of insulation materials can be said to be a hard work, I hope that friends can carefully consider screening, must not blindly choose. With the promotion of building energy conservation, the development of thermal insulation materials has been further developed and improved, and the categories are more diversified. It must be the best to carefully select suitable ones.