EPSOLE has been specialized in EPS industry for over 15 years, we aim to provide our esteemed customers from all over the world with full series of EPS products, including EPS raw  materials, EPS machinery, EPS molds as well as EPS plant design, manufacturing, installation, training and overseas after-sale technical support, etc. Hopefully, we could henceforth start a good cooperation in the future.

Continuous EPS Pre-expander

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Pre-expander is an essential machine for producing EPS products. The machine is for

pre-expanding polystyrene beads with expansion agent. Expanded beads through aging

under normal pressure can be used to produce all kinds of package products and blocks.

EPS package products are suitable for packing household appliance, instruments, gauges,

chinaware, glassware and all valuable and crisp products. EPS blocks are used for

construction, heat insulation of car, ship and cooling house. EPS is good material for heat

insulation, sound insulation and vibration proof.


Function and Features


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--All process works automatically including filling, expanding, sieving, grinding and 

conveying, etc.

--With twice pre-expansion function, foam density could be 8-30 g/l.

--Frequency conversion feeding equipment

--Power-off protection device

--Japanese relief valve




eps pre-expander