根据机械工业发展的需要,我厂在兄弟单位大力协作下,试制了三元尼龙共聚体改性丁腈胶密封圈。通过一阶段的试制和多次物理机械性能测定,以及有关单位使用,认为此种密封圈耐油、耐寒、耐热性能好,密封程度高, According to the needs of the development of machinery industry, I plant in the strong cooperation of the brothers unit, trial production of ternary nylon copolymer modified nitrile rubber seals. Through a trial of one stage and many physical and mechanical properties determination, as well as the use of the relevant units that such seals oil, cold, heat resistance, high degree of sealing,