1.effective, 2.energy saving, 3.even density distribution, 4.full automatic. 5.reasonable price

-Precision PLC control

-Accurate weighting system can guarantee exact raw material dosing

-With high quality constant pressure regualation & closed vessel design, it can save above 60% steam consumption as compared to continuous type pre-expander

-With precise imported valve control units which can regulate the set temperature by ±1 centigrade. Pre-expanded EPS materials contain low water content and even density distribution 

-High tech optical level sensor can control exact pre-expanding volume per batch

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Automatic Batch Pre-expander