Composite insulating material for coal mine cable
A composite insulation and cable technology, used in rubber insulators, organic insulators, plastic/resin/wax insulators, etc., can solve the problems of thermal oxygen aging, ozone aging resistance, low volume resistivity, and poor pressure resistance. , to achieve the effect of good water vapor resistance, high dielectric strength and good heat resistance
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Embodiment 1
[0022] Embodiment 1: according to the raw materials involved in the active ingredients of the composite insulating material formula for coal mine cables and the proportioning by weight, get EPDM rubber, 50 parts, polyolefin elastomer, 50 parts, calcined kaolin, 60 parts, Zinc oxide, 6 parts, coupling agent A-172, 1.5 parts, paraffin wax, 2.5 parts, antioxidant, 4 parts, paraffin oil, 7 parts, polyethylene wax, 0.8 parts, stearic acid, 0.6 parts, vulcanizing agent, 4 parts. After mixing the obtained EPDM rubber and polyolefin elastomer, enter the internal mixer for mastication, masticate for 2-3 minutes, add zinc oxide, anti-aging agent, coupling agent, paraffin wax, stearic acid, polyethylene Wax is mixed, then calcined kaolin is added for mixing, then paraffin oil (added after the filler and reinforcing agent is fed) is added for mixing, and finally vulcanizing agent is added for mixing, and then enters the open mill to form a compound for coal mine cables. Insulation Materi...
Embodiment 2
[0023] Embodiment 2: according to the raw materials involved in the active ingredient of the composite insulation material formula for coal mine cables and the proportioning by weight, get EPDM rubber, 55 parts, polyolefin elastomer, 45 parts, calcined kaolin, 70 parts, Zinc oxide, 7 parts, coupling agent A-172, 2.2 parts, paraffin wax, 3.0 parts, antioxidant, 6 parts, paraffin oil, 8 parts, polyethylene wax, 0.6 parts, stearic acid, 0.8 parts, vulcanizing agent, 5.5 servings. After mixing the obtained EPDM rubber and polyolefin elastomer, enter the internal mixer for mastication, masticate for 2-3 minutes, add zinc oxide, anti-aging agent, coupling agent, paraffin wax, stearic acid, polyethylene Wax is mixed, then calcined kaolin is added for mixing, then paraffin oil (added after the filler and reinforcing agent is fed) is added for mixing, and finally vulcanizing agent is added for mixing, and then enters the open mill to form a compound for coal mine cables. Insulation Ma...
Embodiment 3
[0024] Embodiment 3: according to the raw materials involved in the active ingredient of the composite insulating material formula for coal mine cables and the proportioning by weight, get EPDM rubber, 45 parts, polyolefin elastomer, 55 parts, calcined kaolin, 65 parts, Zinc oxide, 8.5 parts, coupling agent A-172, 2.5 parts, paraffin wax, 3.8 parts, antioxidant, 8 parts, paraffin oil, 10 parts, polyethylene wax, 0.8 parts, stearic acid, 1 part, vulcanizing agent, 7.5 servings. After mixing the obtained EPDM rubber and polyolefin elastomer, enter the internal mixer for mastication, masticate for 2-3 minutes, add zinc oxide, anti-aging agent, coupling agent, paraffin wax, stearic acid, polyethylene Wax is mixed, then calcined kaolin is added for mixing, then paraffin oil (added after the filler and reinforcing agent is fed) is added for mixing, and finally vulcanizing agent is added for mixing, and then enters the open mill to form a compound for coal mine cables. Insulation Ma...
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