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The key to the extrusion molding process of PVC cabinet board is to correctly control the crystallization rate of molten PP. Since the PVC sheet is extruded from the die, the first contact is the middle roll of the three-roll calender,
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The key to the extrusion molding process of PVC cabinet board is to correctly control the crystallization rate of molten PP. Since the PVC sheet is extruded from the die, the first contact is the middle roll of the three-roll calender,

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