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Common quality defects and treatment methods in extrusion process
1, plastic scorch
Plastic scorch is a common quality defect in plastic extrusion process. Its attention is as follows: the temperature is super high; the die has a large amount of smoke, strong irritating odor, and there is a bursting sound when it is severe; the extruded plastic layer has coke particles; There are continuous bubbles at the joints; the main reasons for the injection are:
Discussion on extrusion process of low-smoke halogen-free cable
With the development of flame retardant technology for cable materials, new types of flame-retardant cables have also been produced, from ordinary flame-retardant cables to low-smoke low-halogen flame-retardant cables and low-smoke halogen-free flame-retardant cables.
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