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Plastics & Elastomers
Expanded Polystyrene (EPS): Ultimate Guide on Foam Insulation Material

Popular Applications of Expanded polystyrene (EPS)

The features of EPS allow it to be used for a large number of applications - from building to food packaging. Among them, the most common ones are those related to thermal insulation. Other benefits include lightweight, mechanical resistance, and moisture resistance.

Overview

Key Applications

  1. Building and Construction – EPS is widely used in the building and construction industry due to its insulation properties. It provides chemical inertness, bacterial & pest resistance. Its closed-cell structure allows little water absorption. It is a durable and strong material. It can be used:

    • As insulated panel systems for facades, walls, roofs and floors in buildings.
    • As flotation material in the construction of marinas and pontoons.
    • As a lightweight fill in road and railway construction.

    Expanded polystyrene insulation offers numerous environmental advantages. These benefits include reduced energy consumption, recycled content, localized distribution, and improved indoor air quality.

  2. Food Packaging – EPS can be extruded using conventional equipment to form a continuous sheet. This sheet may later be formed using vacuum forming and pressure forming to produce articles such as fruit trays. EPS does not have any nutritional value. Hence it does not support fungal, bacteriological, or any other microorganism growth. The thermal insulating properties of EPS keeps the food fresh. It also prevents condensation throughout the distribution chain.

    • Used in the packaging of foodstuffs such as seafood, fruit, and vegetables.
    • Used to produce food service containers like drink cups, food trays, and clamshell containers.

    When packed in EPS, fruits and vegetables retain their vitamin C content longer than food packaging in other materials. View food contact approved EPS grades »

  3. Industrial Packaging – EPS provides industrial products complete protection and safety from risk in transport and handling. Thanks to its shock absorption property. This rigid lightweight foam can be molded into any shape for protecting and insulating sensitive products. These include delicate medical equipment, electronic components, electrical consumer goods, toys as well as horticulture products during transport and storage.

    EPS is also used to make disposable foam coolers and packing peanuts for shipping. In packaging applications, packaging density must be considered when choosing the correct level of cushioning needed for the job.

  4. Other Applications – EPS can be molded into any shape. For example, sports helmets, infant car seats, chairs, seating in sports cars, and load bearing structurally insulated panels.

EPS is widely used in building and construction industry thanks to its insulation properties
EPS is widely used material to produce food service containers like drink cups, food trays and clamshell containers
EPS can be molded into any shape e.g., widely used in sports helmets liners

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