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Barrel screw plastification quality requirements

1. meet the requirements of the various properties. Meet the required physical, chemical, mechanical and electrical properties;

2. have the required surface quality. If can reach users on the bubbles, crystals, dye dispersion uniformity of requirements.

3. have the right screw plastification quality:

1) screw barrel out of the melt temperature is uniform, fluctuation of axial and radial temperature difference in a big way.

2) forming the lowest melting temperature.

3) screw tube extruder melts with pressure fluctuations. Coloring and other additives evenly dispersed, and so.