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Extruder

One Step Silane Crosslink Extruder
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Generally speaking, PE has superior electrical properties for cables (insulation characteristics), but is prone to deformation when heated.? Although it is widely known that this inadequacy can be eliminated by crosslinking the PE, the capital investment cost of deploying a crosslinking line can be prohibitive.

The "one-step" system is characterized by feeding a silane cocktail (a mixture of a silane coupling agent (VTMOS), peroxide such as DCP, a catalyst such as DBTDL, and antioxidant) from the hopper together with the PE resin, and creating a grafting reaction inside the barrel.

Significant improvements are possible in terms of equipment, process, and material costs compared to the conventional two-step system.