HM809是以羟基封(feng)端(duan)液(ye)体氟硅(gui)橡胶(jiao)为(wei)基体的单组份室温(wen)硫(liu)化密(mi)封(feng)剂(ji)，常温(wen)、高(gao)温(wen)、耐(nai)油性能优(you)良，具(ju)有(you)较好的 耐(nai)降(jiang)解性和(he)优(you)良的电绝缘性能，可充分满足飞(fei)机(ji)油箱(xiang)、机(ji)体以及暴露在飞(fei)机(ji)燃油和(he)润(run)滑油场合的应(ying)用。能够在-60 P到250P长期工作，也可以作为(wei)氟硅(gui)涂层或(huo)氟硅(gui)胶(jiao)粘(zhan)剂(ji)使(shi)用。

　　首先(xian)使(shi)用脱脂(zhi)棉(mian)(mian)(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)蘸取120号溶剂(ji)油清(qing)洗(xi)(xi)试(shi)(shi)片(pian)表(biao)(biao)面，至(zhi)棉(mian)(mian)(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)清(qing)洁(jie)干(gan)净为止(zhi)，然后用干(gan)燥的脱脂(zhi)棉(mian)(mian)(mian)(mian)(mian) 布(bu)或(huo)棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)擦(ca)去(qu)残留的溶剂(ji)油，经(jing)(jing)10min~15min晾(liang)(liang)干(gan)。然后使(shi)用脱脂(zhi)棉(mian)(mian)(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)蘸取丙酮清(qing)洗(xi)(xi)试(shi)(shi)片(pian)表(biao)(biao)面，至(zhi)棉(mian)(mian)(mian)(mian)(mian)布(bu)或(huo) 棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)清(qing)洁(jie)干(gan)净为止(zhi)，然后用干(gan)燥的脱脂(zhi)棉(mian)(mian)(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)(mian)(mian)纱(sha)(sha)(sha)擦(ca)去(qu)残留的丙酮，经(jing)(jing)10min~15min晾(liang)(liang)干(gan)涂(tu)覆NJD-9粘接(jie)(jie)底涂(tu)。 经(jing)(jing)1h晾(liang)(liang)干(gan)后，然后涂(tu)覆NJD-11粘接(jie)(jie)底涂(tu)，经(jing)(jing)1h晾(liang)(liang)干(gan)后，即(ji)可使(shi)用。清(qing)洗(xi)(xi)完(wan)毕的试(shi)(shi)片(pian)表(biao)(biao)面严禁用手触摸，污染后的 试(shi)(shi)片(pian)表(biao)(biao)面应重新(xin)进行(xing)清(qing)洗(xi)(xi)。