Polystyrene Foam

Polystyrene foam, often referred to as expanded polystyrene (EPS), is a lightweight, closed-cell foam highly valued across multiple industries for its exceptional insulating properties, water resistance, and structural stability. As a material with unique physical and chemical properties, EPS foam is widely used in construction, insulation, and various specialty applications.

Unique Structural Properties of EPS Foam

Polystyrene foam is engineered with a closed-cell structure, allowing it to resist moisture and water vapor penetration. This closed-cell configuration is not only critical for its water resistance but also enables EPS to maintain its shape and structural integrity even in high-humidity environments. Unlike other materials that degrade when exposed to moisture, EPS does not absorb water, ensuring durability and consistent performance over time. Its composition makes it immune to rot, mold, and fungal growth, making it a prime choice for projects where long-term stability is a priority.

Basic Parameters

The key technical specifications of polystyrene foam are as follows:

Note: We can custom-cut the foam to size for any of your projects!

Exceptional Insulation Performance

One of the defining characteristics of EPS foam is its high thermal resistance or "R-value." The R-value measures a material's capacity to resist heat flow, with higher values indicating greater insulation efficiency. EPS foam possesses a high R-value, making it highly effective in regulating temperature within both residential and commercial settings. When used in building insulation, EPS contributes to energy savings by reducing heating and cooling demands, which can translate to lower utility costs and a reduced environmental footprint.

Versatile Density Grades for Tailored Applications

EPS foam is available in multiple density grades, each tailored to specific applications, ranging from light-duty crafts to heavy-duty structural components. Below is a detailed breakdown of the primary EPS density grades and their recommended applications.

• 1 LB Density: The 1-pound density EPS is ideal for projects requiring minimal structural support. Its lightweight, easily shapeable nature makes it popular in crafting, decorative elements, and as a base for cake interiors. In insulation, it serves as an effective thermal barrier in applications where extreme durability is less critical.
• 2 LB Density: Offering a balance between weight and structural strength, the 2-pound density EPS is suited for both insulation and structural uses. In the building sector, it is widely used for wall and roofing insulation. Additionally, it is a preferred material for spa covers due to its moisture-resistant properties and moderate strength.
• 3 LB Density: The densest form of EPS foam, the 3-pound variant, is optimized for demanding applications. It is commonly used in heavy-duty building insulation, structural elements, and high-load applications. This grade offers enhanced durability, ideal for supporting substantial loads without compromising its insulating properties.

Alfa Chemistry is a leading manufacturer of polystyrene foams. The other sizes can be manufactured in accordance with the clients' request. To place an order or request a quote, please don't hesitate to contact us.