A flame retardant polypropylene cable material
A flame-retardant polypropylene and cable material technology, which is applied in the field of cable materials, can solve the problems of large shrinkage rate and easy sagging of thick-walled products, and achieve the effects of improved fluidity, good compatibility and reasonable formula
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[0016] A flame-retardant polypropylene cable material, which is made from the following raw materials in parts by weight (kg): chlorinated polyethylene 100, isotactic polypropylene 20, magnesium stearate 2, aluminum hydroxide 15, magnesium hydroxide 4. Dibutyl maleate 2, calcium oxide 1.9, zinc oxide 1, zinc stearate 0.6, phthalic acid polyester 0.3, epoxy soybean oil 2, barium sulfate 2, modified dolomite powder 70, Methyltrimethoxysilane 1.72, antioxidant DLTP1.8;
[0017] Modified dolomite powder is made from the following raw materials in parts by weight:
[0018] Dolomite 25, heavy calcium carbonate 2, steel slag 2, antioxidant 22460.5, zinc oxide 2, chlorinated paraffin 1, zinc borate 6, toluene diphenyl phosphate 3.5, aluminum hydroxide 10;
[0019] The preparation method is to mix dolomite, heavy calcium carbonate, and steel slag, and then calcinate at 830°C for 3.5 hours, then take it out, add an appropriate amount of water to grind it together with aluminum hydroxid...
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