A raw material for preparing cable rubber for outdoor electric welding machines in the north
A welding machine and raw material technology, applied in the direction of rubber insulators, organic insulators, etc., can solve the problems of affecting power transmission operation, heating and softening of welding machine cables, and bending rubber, etc.
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Embodiment 1
[0016] A raw material for preparing cable rubber for outdoor electric welding machines in the north, made of the following raw materials in parts by weight: silicone rubber: 50; ethylene-propylene rubber: 30; butyl rubber: 27; zinc oxide: 7; stearic acid: 3; paraffin wax : 1.5; anti-aging system: 5; reinforcement system: 40; sulfur: 1.9; accelerator CZ: 1.9.
[0017] By adopting the above technical scheme, the rubber obtained in the present invention has more than 1.8 million flexing times at 50°C, and a crack length of 5.3 mm; at -50°C, the flexing times are more than 1.75 million times, and the crack length is 5.5 mm. mm.
[0018] In the temperature range of ±30°C, the temperature switching time is 81s, the switching times are more than 3.7 million times, and the crack length is 4.7mm.
Embodiment 2
[0020] A raw material used in the preparation of cable rubber for outdoor electric welding machines in northern China. It is made of the following raw materials in parts by weight: silicone rubber: 52; ethylene-propylene rubber: 32; butyl rubber: 30; zinc oxide: 7.5; stearic acid: 3.5; paraffin wax : 1.9; anti-aging system: 6; reinforcement system: 48; sulfur: 2.4; accelerator CZ: 2.4.
[0021] By adopting the above technical scheme, the rubber obtained in the present invention has more than 1.8 million flexing times at 50°C, and a crack length of 5.3 mm; at -50°C, the flexing times are more than 1.75 million times, and the crack length is 5.5 mm. mm.
[0022] In the temperature range of ±30°C, the temperature switching time is 81s, the switching times are more than 3.7 million times, and the crack length is 4.7mm.
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Abstract
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