柔性(xing)(xing)(xing)石(shi)墨(mo)自密封環(huan)(huan) 石(shi)墨(mo)環(huan)(huan)石(shi)墨(mo)填(tian)料環(huan)(huan)是采(cai)用(yong)純柔性(xing)(xing)(xing)膨脹石(shi)墨(mo)紙，經栽剪后在模具中(zhong)經螺旋纏繞(rao)壓制而成的(de)密封環(huan)(huan)。具有(you)良好的(de)回彈性(xing)(xing)(xing)、自潤滑性(xing)(xing)(xing)、耐腐蝕(shi)性(xing)(xing)(xing)、耐熱(re)性(xing)(xing)(xing)、摩擦系數小、使(shi)用(yong)壽(shou)命長等(deng)優異性(xing)(xing)(xing)能。