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XPS挤塑板优点究竟有多少?
作者:admin 来源:本站 发布时间:2017-10-05 22:45:31 浏览次数:449
挤塑板是以聚苯乙烯树脂为原料加上其他的原辅料与聚含物,通过加热混合同时注入催化剂,然后挤塑压出成型而制造的硬质泡沫塑料板。下面为大家介绍XPS保温材料的优缺点。 XPS材料的优点:

The Extrusion board is a rigid foam board made of polystyrene resin and other raw materials and polymers. It is heated by mixing and injected into the catalyst at the same time, then extruded and extruded. Here we introduce the advantages and disadvantages of XPS insulation materials. Advantages of XPS materials:

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1、XPS挤塑板具有致密的表层及闭孔结构内层。其导热系数大大低于同厚度的EPS,因此具有较EPS更好的保温隔热性能。对同样的建筑物外墙,其使用厚度可小于其它类型的保温材料。
1 and XPS extruded plates have a dense surface layer and a closed cell inner layer. Its thermal conductivity is much lower than that of EPS of the same thickness, so it has better insulation and thermal performance than EPS. The thickness of the outer walls of the same building may be smaller than other types of insulation.
2、由于内层的闭孔结构。因此它具有良好的抗湿性,在潮湿的环境中,仍可保持良好的保温隔热性能;适用于冷库等对保温有特殊要求的建筑,也可用于外墙饰面材料为面砖或石材的建筑。
2 because of the inner obturator structure. So it has good moisture resistance, in damp environment, can still maintain good insulation performance; suitable for the cold storage of the special requirements of building insulation, can also be used for exterior wall decorative materials for brick or stone building.
XPS材料的缺点:
Disadvantages of XPS materials:
1、XPS挤塑板本身的强度较高,从而造成板材较脆,不易弯折,板上存在的应力时应力集中,容易使板材损坏、开裂。
1, XPS Extrusion board itself higher strength, resulting in more brittle plate, not easy to bend, the stress on the plate stress concentration, easy to damage the plate, cracking.
2、近3~4年才尝试性使用,国内尚无国家标准;欧美、韩国等保温技术先进国家尚无推广使用。
2, nearly 3~4 years before the trial use, there is no national standards; Europe and the United States, Korea and other advanced countries of thermal insulation technology has not yet been promoted.
3、透气性差,几乎不透气,如果板两侧的温差较大,湿度高很容易结露。
3, poor ventilation, almost no ventilation, if the temperature difference between the two sides of the board is large, high humidity, it is easy to dew.
4、价格与EPS系统相比较高。
4, the price is higher than the EPS system.
5、其结构的伸缩性差,受温度及湿度的变化影响而变形、起鼓导致保温层脱落。
5, its structure of poor elasticity, by the temperature and humidity changes, deformation, drum, lead to insulation layer fall off.
6、吸胶性差,粘结后破坏面为XPS板表面,粘结强度不够。
6, suction colloidal difference, after bonding failure surface as the surface of the XPS board, the bond strength is not enough.
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