PVC co-extrusion foamed board machine
This machine adopt two conical extruder for co-extrusion , one extruder extruding the inner foaming layer, the other one extruder the surface crust layer .
screw and barrel under excellent design , material is 38CrMoAiA.
has the features of uniform plastizing , stable extrusioin ,long service time,etc.
the main barrel under alumium heating circle, fan blower , precision controlling system and excellent sizing plate .
cutter with length fixed cutting device to make sure the final board with precison size .