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What is extruded polystyrene foam?

Views: 126     Author: Site Editor     Publish Time: 2024-04-11      Origin: Site


The definition of extruded polystyrene foam



Extruded polystyrene foam (XPS) is a type of rigid insulation commonly used in construction and packaging, like Feininger's extruded polystyrene foam board. It is made from polystyrene resin, which is heated and mixed with other ingredients such as blowing agents to form a molten material. This material is then extruded through a die, which gives it its final shape and allows it to expand into a foam.


what is xps foam


The structure of extruded polystyrene foam



The structure of extruded polystyrene foam consists of closed-cell foam. This means that the individual cells within the foam are completely enclosed, creating a continuous network of bubbles throughout the material. This closed-cell structure gives XPS foam its excellent insulation properties, as it prevents the passage of air and moisture through the material. Additionally, the uniformity and density of the closed-cell structure contribute to the strength, durability, and dimensional stability of the foam.




The application of extruded polystyrene foam



Extruded polystyrene foam (XPS) has a wide range of applications across various industries:


Construction Insulation: XPS foam is commonly used as insulation in buildings for walls, roofs, floors, and foundations. Its high thermal resistance and moisture resistance properties make it effective in improving energy efficiency and preventing moisture damage.


Underfloor Heating Systems: XPS foam panels are often used as insulation under radiant floor heating systems. They help to improve the efficiency of the heating system by reducing heat loss into the subfloor.


Civil Engineering: XPS foam is used in civil engineering applications such as road construction, bridge abutments, and soil stabilization. Its lightweight nature and high compressive strength make it suitable for reducing soil settlement and providing stability in various construction projects.


Geotechnical Applications: XPS foam is used in geotechnical applications such as slope stabilization, retaining walls, and underground structures. Its resistance to moisture and chemical degradation makes it ideal for use in these demanding environments.


Crafts and Hobby Projects: XPS foam sheets are popular materials for crafting and hobby projects due to their ease of cutting, shaping, and painting. They are often used to create architectural models, dioramas, and scale terrain for tabletop gaming.

Overall, the versatility, durability, and insulation properties of extruded polystyrene foam make it a valuable material in numerous applications across various industries.



The advantage of extruded polystyrene foam



Extruded polystyrene foam (XPS) offers several advantages, including:


High Insulation Value: XPS foam has excellent thermal insulation properties, helping to reduce heat transfer and improve energy efficiency in buildings and other structures.


Moisture Resistance: The closed-cell structure of XPS foam makes it highly resistant to moisture absorption, making it suitable for applications where exposure to water or high humidity is a concern.


Strength and Durability: XPS foam is lightweight yet strong and durable, with high compressive strength. It can withstand heavy loads without deforming, making it suitable for use in construction and civil engineering projects.


Dimensional Stability: XPS foam maintains its shape and size over time, even when exposed to temperature fluctuations and moisture. This dimensional stability ensures long-term performance and reduces the risk of shrinkage or warping.


Chemical Resistance: XPS foam is resistant to many chemicals and solvents, making it suitable for use in environments where exposure to harsh substances is possible.

Easy Installation: XPS foam panels are lightweight and easy to handle, cut, and install. This ease of installation saves time and labor costs during construction or renovation projects.


Versatility: XPS foam can be used in a wide range of applications, including insulation, packaging, underfloor heating systems, civil engineering, and crafts. Its versatility makes it a popular choice for various industries and projects.

Overall, the advantages of extruded polystyrene foam make it a preferred material for insulation, packaging, and other applications where thermal performance, moisture resistance, strength, and durability are essential.


China extruded polystyrene foam board manufacturer -Feininger



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Environmentally Friendly:

Feininger XPS foam board utilizes cutting-edge CO2 foaming technology and a production process that is 100% Freon (CFC and HCFC) free, ensuring no harm to the ozone layer. As a result, our XPS foam board boasts higher density and is more eco-friendly. Moreover, it contains no radioactive or volatile substances, is free of formaldehyde, and is safe and environmentally friendly for indoor use.


Customizable Capacity:

Feininger offers customized services, allowing us to manufacture XPS insulation boards in various specifications to meet market and customer demands.


Exceptional After-sales Support:

We have a team of domestic and international experts in XPS extruded boards providing 24-hour online service to assist our customers.


International Certifications and Patents:

We hold numerous international certifications and technology patents, including ISO9001:2008, ISO14001:2004, and CE.


Recognized Environmental Leadership:

We are recognized as a demonstration unit by world environmental protection organizations and serve as a president unit of the China Polystyrene Association.


Pioneering Innovation:

Feininger developed and manufactured China's first extruded polystyrene foam production line, showcasing our commitment to innovation and advancement in the industry.



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Hello, I am Tina, the proud founder of a China leading company specializing in XPS Foam Board Production Lines. With a visionary approach, I established this venture to address the evolving needs of the insulation and construction industries.
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