Pre-insulated Casing Mixing Raw Material Operation
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1. Mixing:
According to the recipe for pre insulated sleeve, select the ingredients for pre insulated junction sleeve, the masterbatch, the heat-resistant agent, and the flame retardant. Mix in a mixer for 5-7 minutes to evenly combine the ingredients for insulated joint sleeve and the auxiliary materials. (Note: Do not allow any other impurities to enter.)
