What is a blow parison extrusion forming mould

General forming process of hollow blow molding products, first by the extruder extrusion type tubular billet, and then quickly put type tubular billet in hollow blow molding mold, pressing into the compressed air blowing for insulating products.
tubular parison extrusion mould phyletic and various, sums up roughly divided into two kinds, one kind is continuous extrusion billet type, another kind is the loading type billet. Actual use morer is now store the material extrusion billet mould, but the mould is unfavorable extrusion polyethylene material.