Products / Polymers / Styrenics
Expandable polystyrene

EPS

A lightweight, rigid foam with excellent thermal insulation
and shock-absorbing properties.

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Illustrative fine white and gray EPS resin bead samples
Material overview

Lightweight protection and insulation.

EPS is a lightweight and rigid foam produced from polystyrene, with excellent thermal insulation and shock-absorbing properties.

Typical applications

  • Insulation boards (construction)
  • Packaging for appliances, electronics, and food
  • Disposable cups and trays
  • Protective packaging (helmets, car seats, etc.)
  • Lightweight concrete (construction use)

Grade selection depends on the intended application and required properties.

Processing methods

01 / Pre-expansion

Expanding beads before the molding stage.

02 / Block molding

Producing foam blocks for cutting into boards and other shapes.

03 / Shape molding

Producing molded foam parts for the selected application.

Application examples

From beads to finished products.

Illustrative molded EPS protective packaging inserts
Protective packaging
Illustrative EPS insulation boards
Insulation boards
Illustrative molded EPS packaging box
Molded packaging boxes

Illustrative material and application images. Suitability depends on the selected grade; food contact and fire performance require grade-specific confirmation.

Technical information

Compare EPS grades.

Browse grades, bead sizes and foam densities, then download the available manufacturer documents.

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Product inquiries

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Polystyrene portfolio