Melt spinning: the polymer is heated to the appropriate temperature above the melting point to prepare melt, melt through the screw extruder, the metering pump pressure out of the spinneret hole.
Solar is a very clean way of power generation. However, in many tropical countries with the most abundant sunshine and the highest solar power generation efficiency, the cost-effectiveness of solar power plants is not satisfactory.
On the morning of June 5, nearly a hundred customers from the entire industry chain were organized by the China Plastics Processing Industry Association in the PVC Product Green Manufacturing Process Technology Training Course.
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