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मराठी In the production process, since PVC is a kind of heat sensitive material, even if heat stabilizer is added, it can only increase the decomposition temperature and prolong the stable time without decomposition, which requires strict control of PVC molding temperature. Especially for RPVC, since its ......
Read MoreFeeding area of plastic extruder: the groove depth of the screw groove of the fixed screw. Its function is to be responsible for preheating, plastic solid transportation and extrusion. It must be ensured that the plastic begins to melt at the end of the feed section - that is, preheat to the melting......
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