Compression-resistant, abrasion-resistant and corrosion-resistant transformer seal ring as well as production method thereof
A technology for transformers and sealing rings, applied in the fields of corrosion-resistant transformer sealing rings, wear-resisting, and pressure-resisting, can solve problems such as difficulty in meeting the long-term operation needs of transformers, high temperature and corrosive effects of transformer oil, and short service life of rubber sealing tapes. The effect of good insulation, good plasticity and high hiding power
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Embodiment 1
[0017] A pressure-resistant, wear-resistant and corrosion-resistant transformer sealing ring, made from the following raw materials in proportion by weight: 80 parts of nitrile rubber, 20 parts of carbon black, 35 parts of ceramic micropowder, 10 parts of silicon powder, and 15 parts of manganese powder , 10 parts of high-strength reclaimed rubber, 10 parts of polytetrafluoroethylene, 10 parts of zinc oxide, 10 parts of coumarone resin, 7 parts of rubber oil, 5 parts of clay, 5 parts of vulcanization activator, 1 part of anti-thermal oxygen aging anti-aging agent . Its production method comprises the following steps:
[0018] 1) Blank making: Take the nitrile rubber, high-strength reclaimed rubber and coumarone resin in the stated parts by weight to synthesize rubber in an internal mixer, and then add other raw materials in the stated parts by weight to carry out kneading in the open mill Forming to obtain a ring-shaped blank suitable for the structure of the transformer to b...
Embodiment 2
[0023] A pressure-resistant, wear-resistant and corrosion-resistant transformer seal ring, made from the following raw materials in proportion by weight: 85 parts of nitrile rubber, 25 parts of carbon black, 40 parts of ceramic micropowder, 15 parts of silicon powder, and 20 parts of manganese powder 15 parts of high-strength reclaimed rubber, 12 parts of polytetrafluoroethylene, 12 parts of zinc oxide, 12 parts of coumarone resin, 9 parts of rubber oil, 7 parts of clay, 6 parts of vulcanization activator, 3 parts of anti-thermal and oxygen aging anti-aging agent .
[0024] Its production method, with embodiment one.
Embodiment 3
[0026] A pressure-resistant, wear-resistant and corrosion-resistant transformer seal ring, made from the following raw materials in proportion by weight: 88 parts of nitrile rubber, 26 parts of carbon black, 50 parts of ceramic micropowder, 22 parts of silicon powder, and 21 parts of manganese powder 18 parts of high-strength reclaimed rubber, 14 parts of polytetrafluoroethylene, 13 parts of zinc oxide, 12 parts of coumarone resin, 10 parts of rubber oil, 8 parts of clay, 7 parts of vulcanization activator, 4 parts of anti-heat and oxygen aging anti-aging agent .
[0027] Its production method, with embodiment one.
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