Sealing rubber ring for explosion-proof motor

The invention discloses a sealing rubber ring for an explosion-proof motor. The sealing rubber ring comprises the following components in parts by weight: 40-45 parts of butadiene rubber, 20-25 parts of chloroprene rubber, 2-3 parts of nano zinc oxide, 2-3 parts of triallyl isocyanurate, 3-5 parts of talcum powder, 2-3 parts of a dispersing agent and 3-5 parts of an acrylate cold-resistant agent. The sealing rubber ring for the explosion-proof motor has the advantages of being excellent in ozone resistance and low temperature resistance, and the service life of the sealing rubber ring can be prolonged. 本发明公开了一种防爆电机用密封胶圈，包括按重量份数计的如下成分：顺丁橡胶40-45份，氯丁橡胶20-25份，纳米氧化锌2-3份，三烯丙基异氰脲酸酯2-3份，滑石粉3-5份，分散剂2-3份，丙烯酸酯类耐寒剂3-5份。本发明提供的防爆电机用密封胶圈，具有抗臭氧能力和耐低温性能优的特点，可提高其使用寿命。