The global market potential of XPS extruded board is hugeThe global market potential of XPS extruded board is huge
Extruded polystyrene foamed rigid insulation uses polystyrene as raw materials plus other raw materials and fireproofing agents. It is mixed with heat and injected with foaming agent at the same time, and then extruded into a rigid board foamed plastic board. The chemical name is extruded polystyrene board (XPS for short). XPS board has a perfect closed-cell honeycomb structure, which makes XPS extruded board lower than other types of plate-shaped thermal insulation materials in terms of water absorption rate, thermal conductivity and vapor permeability coefficient, so it has high compression resistance, light weight and no Breathable, corrosion-resistant and non-degradable.
XPS extruded board is a very common thermal insulation material in European and American countries, especially suitable for roof insulation and fireproof rock wool board. The roof insulation system, cold storage, and thermal insulation inside and outside the wall using the inverted roof insulation technology Heat, home decoration, etc. This product is suitable for the roof insulation layer regardless of the insulation effect, ease of construction, total cost, and service life. It has more advantages than traditional perlite. It is a new type of environmentally friendly energy-saving material and is currently the first choice for the building decoration industry. The thermal conductivity of XPS extruded board is less than or equal to 0.028w/mk, which is far lower than other thermal insulation materials, so it has the characteristics of high thermal resistance and low linear expansion rate. It is generally suitable for the thermal insulation of roof insulation system, freezer, and inside and outside the wall, the effect is unparalleled.
As a perfect thermal insulation material, the water absorption rate is an extremely important technical indicator. High water absorption will lead to poor insulation performance. XPS extruded board has a complete closed-cell structure. There is no gap between the front and back sides of the board and the rock wool board flammability re-sampling sampling, so that the moisture generated by water leakage, condensation and water freezing, thawing cycle, etc. cannot penetrate. Therefore, it can effectively prevent the entry of water molecules, so it is impossible to age the board, almost the same life as the building.
The development of XPS extruded board in the insulation industry In recent years, extruded polystyrene board has been widely used worldwide. This new material has a closed-cell structure inside, which has excellent and long-lasting insulation performance. The extremely strong water-repellent ability to prevent water vapor penetration, relatively high compressive strength, easy processing, and easy installation are the world's recognized ideal insulation materials for inverted roofs.
The water absorption rate of extruded polystyrene is about 10 times smaller than that of expanded polystyrene and lower than that of foam glass. The test also shows that the material can only absorb a small amount of water in the initial stage after being immersed in water, and then no longer absorbs water. This property makes it have excellent insulation performance and last forever. This feature is important for inverted insulation roofs. . In addition, the water vapor permeability of extruded polystyrene is 2 to 4 times lower than that of expanded polystyrene. Therefore, this insulation material can not only prevent the penetration of rainwater but also prevent the penetration of moisture, thereby avoiding the inside of the material The accumulation of water due to condensation is beyond the reach of most insulation materials.
The status quo of XPS extruded board in the field of building energy efficiency The energy policy of our government is to "emphasize both development and conservation", putting conservation first. Saving energy is still a strategic point of China's energy industry. In 1986, the Ministry of Construction promulgated the "Civil Building Energy-Saving Design Standards", and then further improved the standard indicators. Before the implementation of building energy efficiency standards, the cumulative area of residential construction in my country over the past year was nearly 8 billion square meters. Since 2000, the energy-saving renovation work of the original buildings with poor thermal environment or large energy consumption in the heating area has begun. In 2005, key cities and towns began to carry out building thermal environment and energy-saving renovation. XPS extruded board is very attractive in energy-saving residences due to its excellent properties such as low thermal conductivity, light weight, high strength, waterproof, impermeability, and ease of construction.
During the Tenth Five-Year Plan period, there will be a huge development in our residential construction. At present, the amount of urban buildings is about 7 billion square meters, of which more than 4 billion square meters are residential. In the next ten years, 5.7 billion square meters of houses will be built in urban and rural areas, including 2.7 billion square meters in cities and 3 billion square meters in rural areas. In this case, the development of thermal insulation materials should be industrialized. In the past, we only built 180 million square meters of energy-saving houses, which was far from meeting the energy-saving requirements. New housing will adopt energy-saving measures from planning, design, application of related materials and equipment, improve the quality of housing, and promote the use of new materials, new technologies, new processes, and the upgrading of the industry of building extruded board burning grade materials. Therefore, to have a higher level of thermal insulation materials and thermal insulation technology, XPS extruded board caters to this development trend, facing a huge potential market.