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Expanded polystyrene (EPS) geofoam, is a form of lightweight thermal plastic produced in sheets or large blocks. Since it first hit the market more than 60 years ago, it has been used primarily for filling voids in soil created during construction projects like highways, bridge embankments, and parking lots.
The geofoam has the scientific name of expanded polystyrene (EPS). A block of EPS is made from particles of polystyrene through an expanding and melting process in an automatic mold machine by adding steam. The geofoam construction method employs large EPS blocks with unit weights between 16 and 40 kg/m3.
The frame is welded by square tube, with compact structure;Electric hot wire cutting, cutting marks smooth and smooth;Frequency converter is used to control the speed of motor, which is convenient to adjust, stable to operate, less noise and accurate to product size
When EPS raw material beads are smashed into production, foaming agent has been mixed in, generally 4-7% pentane. In the mold, high-temperature steam is used for foaming and molding, and up to 98% of the finished product can be air. Beads can be divided into flame-retardant and non-flame-retardant, and can also be divided into large, medium and small according to their radius.
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