HM1122是(shi)双(shuang)组份、二氧化镐固化的口盖(gai)用(yong)聚硫(liu)代(dai)醍类(lei)密(mi)(mi)封(feng)剂(ji)。该材(cai)料(liao)的显著特点是(shi)与传统密(mi)(mi)封(feng)剂(ji)相比，具(ju)有较好的耐压缩(suo)性能(neng)，适(shi)用(yong)于飞机口盖(gai)密(mi)(mi)封(feng)。长(zhang)期(qi)使用(yong)温度为(wei)-55~120P,可在180P短期(qi)使用(yong)。在长(zhang)期(qi)暴露在喷气燃料(liao)后，材(cai)料(liao)能(neng)够保持(chi)良(liang)(liang)好的弹性和(he)低粘(zhan)接力。未固化的密(mi)(mi)封(feng)剂(ji)具(ju)有良(liang)(liang)好的触变性，适(shi)合于挤压枪施工或(huo)刮涂。

　　首先使用(yong)(yong)脱脂棉(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)蘸(zhan)取120号溶剂油清(qing)(qing)洗试(shi)片表(biao)面，至棉(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)清(qing)(qing)洁干(gan)净为止(zhi)，然(ran)后用(yong)(yong)干(gan)燥(zao)(zao)的(de)(de)(de)脱脂棉(mian)(mian)(mian) 布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)擦(ca)去残留(liu)的(de)(de)(de)溶剂油，经10min~15min晾(liang)干(gan)。然(ran)后使用(yong)(yong)脱脂棉(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)蘸(zhan)取丙酮清(qing)(qing)洗试(shi)片表(biao)面，至棉(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)清(qing)(qing)洁干(gan)净为止(zhi)，然(ran)后用(yong)(yong)干(gan)燥(zao)(zao)的(de)(de)(de)脱脂棉(mian)(mian)(mian)布(bu)或(huo)棉(mian)(mian)(mian)纱(sha)(sha)(sha)(sha)擦(ca)去残留(liu)的(de)(de)(de)丙酮，经10min~15min晾(liang)干(gan)后，涂(tu)覆(fu)NJD-5粘接底涂(tu)。涂(tu)敷结束30min后，可进行(xing)密封剂的(de)(de)(de)涂(tu)敷施工。清(qing)(qing)洗完毕的(de)(de)(de)试(shi)片表(biao)面严禁(jin)用(yong)(yong)手触摸，污染后的(de)(de)(de)试(shi)片表(biao)面应(ying)重新进行(xing)清(qing)(qing)洗。