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March 27, 2019


Water pattern is a kind of silver grain, silver pattern of injection molding products, including surface bubbles and internal pores. The main cause of defects is the interference of gases (mainly water vapor, water ripple, decomposition gas, solvent gas, air). The spe...

March 18, 2019

The role of the three functional zones of the PVC extruder

The melting temperature and degradation temperature of PVC compound are relatively close, and good plasticization is required to prevent degradation of the melt. Therefore, generally according to the work functi...

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The role of the three functional zones of the PVC extruder

March 18, 2019

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