Expandable Polystyrene ( EPS )



Scope of application

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Expandable Polystyrene ( EPS ) - EPS 0305R


Product Description

Spherical Expandable Polystyrene beads with pentane as blowing agent.

Product Applications

This product is recommended for moulding applications of industrial packaging, decoration materials, boards and construction products in which flame retardancy is not necessary.


ASCHEM EPS 0305R can be expanded to densities between 20 kg/m3 and 35 kg/m3 with single pre-expansion. After pre-expansion, the EPS products should be aged in silos between 10-28 hours depending on the blowing agent type, amount, environment and process conditions. Please contact our Technical Department for optimum process conditions (e.g. steam pressure, residence time etc.) for energy saving, process efficiency and product quality.


EPS products should be stored in a dry, cool place where temperature kept under 25o C and protected from rain, snow and sunlight. In order to get better performance from EPS products, it is recommended to use them within 30 days after delivery.

Health Effects, Safety, Environment and Waste Management

Both during production and storage, strictly contact with open flame or electrical sparks and static discharges must be avoided. Smoking should be prohibited around EPS materials. EPS is accepted as an environment friendly material for energy efficiency purposes. EPS materials can be recyclable.


The information contained herein may include typical properties of our products or their typical performances when used in certain typical applications. Actual properties of our products, in particular when used in conjunction with any third party material(s) or for any non-typical applications, may differ from typical properties. It is the customer s responsibility to inspect and test our product(s) in order to satisfy itself as to the suitability of the product(s) for its and its customers particular purposes. The customer is responsible for the appropriate, safe and legal use, processing and handling of all product(s) purchased from us. Nothing herein is intended to be nor shall it constitute a warranty whatsoever, in particular, warranty of merchantability or fitness for a particular purpose.