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Fiberglass-reinforced pipe extrusion line / for composite pipe - PP-R

Fiberglass Composite PP-R Pipe Extrusion Line"is an extension of the traditional PP-R pipe, which is reinforced by short fiberglass in medium layer of the pipe.To overcome the rigidity disadvantage of the PP-R pipe, Goldstone has innovated a new sandwich structrue.


The inner and outer layer is normal PP-R, short fiberglass is combined in the middle to be the strengthening layer.The pipe is made by a co-extrusion system composed of four extruders, three of them for pipe, one for marking line. The uniquely designed spiral co-extrusion die could allocate the fiberglass regularly in the reinforced layer and bond the three layers into an integer.

The production line consists of four high efficient extruder and co-extrusion die. The pipe is three layers sanwich structure plus a standard marking strip with a special granulating extrusion line.

We innovated a patented spiral mould co-extrusion. The fiber is allocated according to the optimum angle, so the strength can be raised differently and proportionately in longitudinal direction and latitucinal direction.

It could be used as PE pipe production line after adjust.

Each of the three layers could be adjusted separately according to the designing of the structure to acquire a high quality and more economical product.

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