buckets manufacturers generally used in a melt index of 6 l ~ polyethylene resin. (2) common network selection polypropylene melt index of 2-4 polypropylene resin. (3) Common use general-purpose polystyrene or impact polystyrene resin injection type. (4) Hard transparent PVC bottle formulation shown in Table 1. plastic bucket production of major equipment and characteristics (1) extruders and extrusion head and ordinary - Equipment blowing Fundamental same. (2) the disposal of the parison extruder installed by tubular parison, to go through the installation stops cutting, bottom and neck fusion process to produce test-tube-shaped bottomed parison. (3) The preform is heated preform heating installation equipped with multiple, heating oven, heating sleeve, heating channel, etc. can be electrically heated or infrared
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