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    Materials for EPR Ships Cables
    1.Product Names and Types
    Number Product Type Application
    1 90℃35KV high pressure EPR insulation material ZL9111-J The series of materials Can be used for insulation of rubbers sleeve flexible cables for ships
    2 90℃10-20KV medium pressure EPR insulation material ZL9112-J
    3 90℃1-6KV low pressure EPR insulation material ZL9113-J
    4 medium pressure peelable insulation and shielding material ZL9116-PB Can be used for shield of rubbers sleeve flexible cables.
    5 medium and high pressure conductor shielding material ZL9118-P
    6 90℃ Flame-retartant rubber sheath material for ship cables ZL9112-H Can be used for oil-resistant sheath of rubbers sleeve flexible cables for ships
    7 125℃Low-smoke halogen-free flame-retartant oil-resistant elastomer material ZL9114-H

    2、Product Description
    The materials are of natural color/white color and particle shape, with the basic material of rubber (e.g. EPDM). The hyperoxides are cross-linked mixture of the main vulcanizing system. They can be used in CV (continuous vulcanizing) extrusion product line. The properties are in line with the national standards such as IEC600092, MIL-C-24643A, etc.

    2.2Machining Process
    2.2.1 Drying treatment should be carried out before the production use.
    2.2.2 The CV (continuous vulcanizing) extrusion product line Can be used for production. It is recommended to use screw rods with length-to-diameter ratios between 15:1 and 24:1.
    2.2.3 Before extrusion, clean screw rods to make sure product cleanness. It is suggested to add filter screens with sieve number of 20/40 or 20/60 in front of the die to avoid impurity entering during the extrusion process, and to keep flux pressure in order to obtain good appearance and material compaction.
    2.2.4.Extruding Temp
         Zone 1   Zone 2   Zone 3   Zone 4  Head  die orifice
    ZL9111-J: 75℃    80℃    85℃    85℃   90℃    85℃
    ZL9112-J: 80℃     90℃    95℃     99℃     99℃   95℃
    ZL9113-J: 80℃    90℃    95℃    99℃     99℃    95℃
    ZL9116-PB: 75℃     80℃    85℃    85℃   90℃    85℃
    ZL9118-P: 75℃    80℃     85℃    85℃   90℃    85℃
    ZL9112-H: 75℃    80℃     85℃     85℃   90℃   85℃
    ZL9114-H: 75℃    80℃    85℃    85℃   90℃    85℃