Home / May / PE air ventilation pipe extrusion line in iraq

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Jul 10, 2017 · most of the addition polymers (pe, pp, ps, pvc) don’t absorb moisture, but their additives, like fillers and pigments, might. in such cases, anything over around 0.1% h2o by weight will boil off as it leaves the die and create dotted lines or bubbles on the extruded surface.
In the year 2011 already, tien phong purchased a turn-key pe pipe extrusion line with a die using internal cooling system. due to the good experience, the customer chose the same die concept again. the recently ordered line for the production of pipes with dimensions ranging from 630 to 2,000 mm consists of a solex single screw extruder and a helix vsi-t+ pipe die.
Process of extrusion serves two functions: it heats the plastic material above its melting point and puts the melt under pressure. the molten plastic material can then be forced through an orifice, commonly known as the die. this process is common to all types of extrusion. the extrusion process can produce pipe and tubing, a variety of profiles, flat
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