They are both foamed PS, what is the difference between EPS and XPS insulation?
1. What is XPS insulation?
Thermal insulation boards are made of several materials, such as asbestos boards, polyurethane foam boards, and XPS boards. XPS boards refer to rigid polystyrene foam boards produced by direct extrusion. Click to view factory direct sales of high-quality XPS insulation boards
Application of xps insulation board
XPS and several other panels are used in housing and other construction and engineering applications for thermal insulation and can be used as insulation for underfloor heating. In addition, XPS can also be used in the packaging of goods.
Characteristics of xps insulation board
As an energy-saving material for the insulation of houses, XPS panels can significantly reduce the consumption of fuel (i.e. oil, gas, etc.) or electricity for heating. The production process allows these panels to have a small, tightly closed molecular structure, which insulates by keeping the gases capable of conducting heat in a very limited space. This feature also gives the panels impermeable properties.
Where to buy xps insulation board
You can buy XPS in the building materials market, you can also buy from the manufacturer of XPS boards, different manufacturers, the boards have different colors, such as pink, blue, or green individual companies can also be based on the different requirements of customers to produce special XPS insulation boards.
2. What is EPS insulation?
Although EPS also refers to expanded polystyrene, its molding method is significantly different from XPS.
EPS is made by pre-mixing the blowing agent into PS and then granulating it. The PS granules made contain the blowing agent, and when the appropriate amount of PS granules containing the blowing agent are placed into a predetermined mold to be heated, the blowing agent inside these granules will be heated and foamed, and finally molded.
EPS is also used for thermal insulation of floors, walls and ceilings. In addition, like XPS, it is used in civil engineering, earth embankments, and highways under structures with low load-bearing capacity.The extrusion process of EPS is different from that of XPS.As a result, EPS does not have the same appearance and physical properties as XPS, and its thermal insulation is less effective than that of XPS.The weight capacity of EPS panels is usually in the range of 10-35 kg/m3 (0.62 – 2.18 lb/ft3). EPS panels usually have a capacity of 10-35 kg/m3 (0.62 – 2.18 lb/ft3).
3. The difference between XPS and EPS insulation
The difference between XPS and EPS insulation | |
EPS | XPS |
Closed and foamed spherical molecular structure | Closed and foamed honeycomb molecular structure |
High water absorption | Very low water absorption |
Low capital investment | Higher capital investment |
Relatively light weight | Relatively heavy weight |
Higher production costs (including material costs) | Lower production cost |
Better dimensional stability | Very good dimensional stability |
Less resistance to compression | Strong compression resistance |
Higher thermal conductivity | Low thermal conductivity |
Lower output | Higher output |
Non-toxic | Non-toxic |
Application characteristics of XPS insulation board
1. High compressive strength, extruded thermoplastic board has 150KPa-600KPa various models, can meet a variety of different load requirements. Such as: plaza floor, roof parking lot, roof tennis court, roof garden, platform, and subject to long-term loading of the ground, highways and railroad beds, etc.
2. Superior thermal insulation performance, as a heat preservation and insulation materials, extrusion of the coefficient of conductivity of less than 0.03w/m.k, in 70% relative humidity under the extrusion of the board in this aspect of the degree of obviousness, extrusion of the board in this aspect of the obvious superiority of other thermal insulation materials, and its thermal insulation performance with the time of the change is very small, in the use of the decades of its thermal insulation performance is still able to be in the 80% or more.
3. good sound insulation and noise reduction performance, the unique sound insulation and noise reduction performance of the extruded plastic board, so that whether you are in the hotel or in the KTV room, or home, do not have to worry about the outside world interference and impact on others, this feature makes it particularly advantageous in the family decoration, project decoration.
4. excellent moisture barrier performance, extruded plastic board has a close closed cell structure, the polystyrene molecules do not absorb water itself so that it has excellent resistance to water vapor permeability, water absorption rate than ordinary foamed polystyrene board to be about 10 times smaller than the initial stage of sucking up a small amount of water, and then no longer absorb water; water vapor permeability performance than the foamed polystyrene is smaller than 2-4 times. Therefore, in addition to effectively preventing the intrusion of rain and moisture penetration of extruded plastic boards, but also effectively avoid the material inside the condensation and water, due to thawing and cracking.
5. excellent environmental performance, extruded plastic board board chemical properties are stable, not easy to volatile decomposition, mold; has good corrosion resistance Its high efficiency thermal insulation function, can reduce the consumption of natural resources; its solid waste can be recycled for use, in full compliance with the requirements of the world’s sustainable development strategy, is a new type of environmentally friendly products.
