Halogen-free low-smoke flexible mineral insulated fireproof cable
A technology of insulation and fire prevention, minerals, applied in the direction of insulated cables, power cables, insulated conductors, etc., can solve the problems of inability to withstand high temperature, fire prevention, and failure to reach, and achieve guaranteed service life, good shielding effect, and stable structure solid effect
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Embodiment 1
[0019] Example 1, the halogen-free low-smoke radiation cross-linked flame-retardant polyolefin includes the following components by mass percentage: polyurethane thermoplastic elastomer 20, POE elastomer 10, aluminum hydroxide 10, softening agent 7, polypropylene Resin 15, aluminum hypophosphite 10, zinc borate 5, ammonium molybdate 5, antioxidant 2, epoxy butyl oleate 10, carbon black 3, light calcium carbonate 3.
Embodiment 2
[0020] Example 2, the halogen-free low-smoke radiation cross-linked flame-retardant polyolefin includes the following components by mass percentage: polyurethane thermoplastic elastomer 30, POE elastomer 20, aluminum hydroxide 17, softening agent 5, polypropylene Resin 10, aluminum hypophosphite 5, zinc borate 2, ammonium molybdate 2, antioxidant 1, epoxy butyl oleate 5, carbon black 2, light calcium carbonate 1.
Embodiment 3
[0021] Example 3, the halogen-free low-smoke radiation cross-linked flame-retardant polyolefin includes the following components by mass percentage: polyurethane thermoplastic elastomer 22, POE elastomer 13, aluminum hydroxide 20, softening agent 10, polypropylene Resin 12, aluminum hypophosphite 6, zinc borate 2, ammonium molybdate 4, antioxidant 1, epoxy butyl oleate 6, carbon black 2, light calcium carbonate 2.
[0022] Compared with the prior art, the present invention has the advantages that: the conductor achieves a better effect on softness, and meets the requirements of frequency conversion; and achieves better shielding effect through the first semiconductor shielding layer provided, and The structure is stable and strong, and the durability is good. It is equipped with a halogen-free and low-smoke radiation cross-linked flame-retardant polyolefin sheath layer and an ethylene-four The vinyl fluoride copolymer resin layer makes the present invention have better charact...
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