一、聚氨酯密封性能件原材料的選
所用(yong)再(zai)生膠(jiao)(jiao)(jiao)硫(liu)化橡(xiang)(xiang)膠(jiao)(jiao)(jiao)建材(cai)制品(pin)(pin)抽(chou)真空(kong)性(xing)(xing)能件(jian)的功能特征 與(yu)它(ta)用(yong)的再(zai)生膠(jiao)(jiao)(jiao)資(zi)料增進涉(she)及，因而，在選(xuan)定再(zai)生膠(jiao)(jiao)(jiao)硫(liu)化橡(xiang)(xiang)膠(jiao)(jiao)(jiao)建材(cai)制品(pin)(pin)抽(chou)真空(kong)性(xing)(xing)能件(jian)時，都(dou)要按照硫(liu)化橡(xiang)(xiang)膠(jiao)(jiao)(jiao)建材(cai)制品(pin)(pin)抽(chou)真空(kong)性(xing)(xing)能件(jian)的用(yong)需要合適(shi)所用(yong)再(zai)生膠(jiao)(jiao)(jiao)資(zi)料。
氟橡塑
氟(fu)橡塑包括耐(nai)(nai)高(gao)熱、耐(nai)(nai)候、耐(nai)(nai)酸(suan)堿、耐(nai)(nai)生物學品等性狀，適于(yu)于(yu)高(gao)熱、直流電、強硫化、耐(nai)(nai)酸(suan)堿、耐(nai)(nai)液體等嚴苛具體條件(jian)下的密封(feng)圈。其瑕疵是(shi)可變(bian)性變(bian)形差(cha)，加工制作難點(dian)，種活均較低。
丁腈聚氨酯材料
丁(ding)腈(jing)天(tian)(tian)然(ran)天(tian)(tian)然(ran)硫(liu)(liu)化(hua)產品(pin)兼(jian)(jian)有(you)達標(biao)率(lv)的耐(nai)老(lao)化(hua)性(xing)，另外其(qi)耐(nai)老(lao)化(hua)性(xing)位置聚硫(liu)(liu)天(tian)(tian)然(ran)天(tian)(tian)然(ran)硫(liu)(liu)化(hua)產品(pin)和(he)(he)氟(fu)天(tian)(tian)然(ran)天(tian)(tian)然(ran)硫(liu)(liu)化(hua)產品(pin)。前者(zhe)，丁(ding)腈(jing)天(tian)(tian)然(ran)天(tian)(tian)然(ran)硫(liu)(liu)化(hua)產品(pin)還(huan)兼(jian)(jian)有(you)順暢的抗刮(gua)性(xing)和(he)(he)耐(nai)老(lao)化(hua)性(xing)，但其(qi)耐(nai)持(chi)續高溫性(xing)和(he)(he)耐(nai)環境性(xing)差有(you)。
丁基橡塑
丁(ding)基塑料(liao)還(huan)享有樣板工(gong)程的水密性性、耐熱性性和耐老化(hua)測試(shi)性，采于自制高溫環境下動用的塑料(liao)膠封加工(gong)零件。與此(ci)同時，它(ta)還(huan)還(huan)享有積極的吸(xi)震性和抗藥性品行。
硅橡膠制品
硅(gui)硅(gui)膠還具有著良好的(de)耐高(gao)溫(wen)、耐低溫(wen)環境、耐衰老性能參數，可在(zai)-60~+250℃范圍內內長(chang)期(qi)的(de)實用。另外，硅(gui)硅(gui)膠還還具有著良好的(de)絕緣電阻性和物理(li)穩(wen)相關(guan)性性。
二、塑料橡膠密封組成部分的考慮
聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)的(de)(de)(de)(de)施用常見遵(zun)循原則為(wei)：封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)的(de)(de)(de)(de)規范、本職事(shi)業(ye)(ye)經(jing)濟壓(ya)力值、本職事(shi)業(ye)(ye)媒介(jie)、生態情(qing)況溫濕度、矛盾(dun)壯(zhuang)態、本職事(shi)業(ye)(ye)車(che)速、協調自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)寸尺(chi)(chi)和自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)寸尺(chi)(chi)等(deng)。這其中，封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)的(de)(de)(de)(de)規范是為(wei)至關重要的(de)(de)(de)(de)。在其實APP中，該(gai)(gai)(gai)按照各(ge)種(zhong)有差異的(de)(de)(de)(de)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)規范來施用各(ge)種(zhong)有差異款(kuan)式的(de)(de)(de)(de)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)。舉例(li)說(shuo)明，對待那(nei)些(xie)自動旋(xuan)轉運功健身，該(gai)(gai)(gai)施用O形(xing)圈(quan)或(huo)(huo)嘴(zui)型封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)圈(quan)；對待那(nei)些(xie)循環(huan)往(wang)復(fu)運功健身，該(gai)(gai)(gai)施用U形(xing)圈(quan)或(huo)(huo)V形(xing)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)圈(quan)。不僅，在施用聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)時，還(huan)該(gai)(gai)(gai)綜合考慮其本職事(shi)業(ye)(ye)經(jing)濟壓(ya)力值、本職事(shi)業(ye)(ye)媒介(jie)、生態情(qing)況溫濕度、矛盾(dun)壯(zhuang)態、本職事(shi)業(ye)(ye)車(che)速、協調自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)寸尺(chi)(chi)和自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)自己(ji)(ji)的(de)(de)(de)(de)外(wai)(wai)觀(guan)寸尺(chi)(chi)等(deng)環(huan)境(jing)因素。舉例(li)說(shuo)明，在高(gao)熱狀況下操(cao)作的(de)(de)(de)(de)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)該(gai)(gai)(gai)施用耐高(gao)熱的(de)(de)(de)(de)氟聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)或(huo)(huo)硅聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)；在強空氣脫(tuo)色狀況下操(cao)作的(de)(de)(de)(de)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)該(gai)(gai)(gai)施用耐空氣脫(tuo)色的(de)(de)(de)(de)丁(ding)(ding)腈聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)或(huo)(huo)氟聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)；在油類(lei)媒介(jie)中操(cao)作的(de)(de)(de)(de)封(feng)(feng)(feng)密(mi)穩(wen)定(ding)性(xing)(xing)(xing)參(can)(can)(can)數(shu)(shu)(shu)性(xing)(xing)(xing)件(jian)該(gai)(gai)(gai)施用丁(ding)(ding)晴的(de)(de)(de)(de)丁(ding)(ding)腈聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)或(huo)(huo)丁(ding)(ding)基聚(ju)(ju)氨(an)(an)酯(zhi)材(cai)(cai)(cai)料(liao)。
雖然，在挑選產品密(mi)閉件時(shi)，都(dou)應該跟(gen)據(ju)不(bu)相(xiang)同(tong)的(de)利用(yong)狀態和利用(yong)特殊要求來挑選不(bu)相(xiang)同(tong)方式(shi)的(de)密(mi)閉件，并合理有效用(yong)產品物料。必須(xu)其實(shi)，才(cai)(cai)夠做到密(mi)閉的(de)信得過性和長時(shi)間性，才(cai)(cai)能做到設施設備(bei)的(de)通常行(xing)駛(shi)。
