7、填充劑用(yong)量越(yue)大，收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)越(yue)小；膠(jiao)水(shui)含(han)量越(yue)高(gao)，收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)越(yue)大。8、注射法硫(liu)化(hua)(hua)產(chan)(chan)品的(de)(de)(de)(de)收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)小于(yu)模(mo)壓法硫(liu)化(hua)(hua)產(chan)(chan)品。9、薄產(chan)(chan)品(截面(mian)(mian)厚度(du)小于(yu)3毫(hao)米)的(de)(de)(de)(de)收(shou)(shou)(shou)縮(suo)(suo)(suo)比厚產(chan)(chan)品(截面(mian)(mian)厚度(du)大于(yu)10毫(hao)米)大0.2%~0.6%。10、同(tong)規格圓截面(mian)(mian)和方(fang)截面(mian)(mian)收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)相似。11、夾(jia)層織物越(yue)多(duo)，收(shou)(shou)(shou)縮(suo)(suo)(suo)越(yue)小。12、內襯金屬(shu)鑲嵌(qian)的(de)(de)(de)(de)硅膠(jiao)O型圈(quan)產(chan)(chan)品收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)較小。13、發(fa)泡硅膠(jiao)密(mi)封(feng)(feng)圈(quan)的(de)(de)(de)(de)膨脹收(shou)(shou)(shou)縮(suo)(suo)(suo)波動范圍(wei)很大。發(fa)泡硅膠(jiao)密(mi)封(feng)(feng)圈(quan)一(yi)(yi)般采用(yong)一(yi)(yi)次或兩次硫(liu)化(hua)(hua)，次發(fa)泡硫(liu)化(hua)(hua)(又成發(fa)孔)模(mo)腔根據產(chan)(chan)品尺寸(cun)縮(suo)(suo)(suo)小60%左右(you)，第二次根據產(chan)(chan)品尺寸(cun)放大7%~10%。硫(liu)化(hua)(hua)橡膠(jiao)的(de)(de)(de)(de)收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)是一(yi)(yi)個變化(hua)(hua)多(duo)端(duan)、極其(qi)復(fu)雜的(de)(de)(de)(de)問(wen)題(ti)，也(ye)是模(mo)具(ju)設計師需(xu)要(yao)慎重考(kao)慮的(de)(de)(de)(de)問(wen)題(ti)。目前(qian)還沒有(you)真正(zheng)完(wan)善、有(you)使用(yong)價值的(de)(de)(de)(de)計算公式。即(ji)便是用(yong)同(tong)一(yi)(yi)種膠(jiao)料，同(tong)一(yi)(yi)副模(mo)具(ju)，在同(tong)一(yi)(yi)工藝條(tiao)件下硫(liu)化(hua)(hua)，收(shou)(shou)(shou)縮(suo)(suo)(suo)也(ye)會有(you)所不(bu)同(tong)。因此，實驗測定的(de)(de)(de)(de)產(chan)(chan)品收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)也(ye)是近(jin)似值，受產(chan)(chan)品形狀(zhuang)、硬(ying)度(du)、成形技術等因素的(de)(de)(de)(de)影響，因此需(xu)要(yao)在測定的(de)(de)(de)(de)收(shou)(shou)(shou)縮(suo)(suo)(suo)率(lv)(lv)(lv)(lv)的(de)(de)(de)(de)平均值中引入修(xiu)正(zheng)值，修(xiu)正(zheng)方(fang)向為上(shang)述1-14點。以上(shang)供參(can)考(kao)，想要(yao)了(le)解更(geng)多(duo)密(mi)封(feng)(feng)圈(quan)、硅膠(jiao)管知識，請(qing)致(zhi)電致(zhi)成霖(lin)密(mi)封(feng)(feng)科技有(you)限(xian)公司(si)的(de)(de)(de)(de)相關(guan)技術顧問(wen)。霖(lin)密(mi)封(feng)(feng)教你如何辨別硅膠(jiao)制品的(de)(de)(de)(de)好壞？云(yun)南導電硅膠(jiao)密(mi)封(feng)(feng)圈(quan)

密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)保(bao)養事(shi)項為(wei)(wei)(wei)了保(bao)證(zheng)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)正(zheng)(zheng)(zheng)(zheng)常(chang)使用(yong)(yong)和壽(shou)命(ming)(ming)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)以下幾點安(an)(an)裝(zhuang)(zhuang)保(bao)養事(shi)項：1.安(an)(an)裝(zhuang)(zhuang)前檢查(cha)在(zai)(zai)安(an)(an)裝(zhuang)(zhuang)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)之(zhi)前，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)對密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)進(jin)(jin)行仔(zi)細檢查(cha)，確保(bao)其符(fu)合使用(yong)(yong)要(yao)(yao)(yao)(yao)(yao)求和標準。同(tong)時(shi)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)檢查(cha)安(an)(an)裝(zhuang)(zhuang)表面是否光滑、干凈，是否有(you)毛(mao)刺、裂紋等(deng)缺陷。2.正(zheng)(zheng)(zheng)(zheng)確安(an)(an)裝(zhuang)(zhuang)在(zai)(zai)安(an)(an)裝(zhuang)(zhuang)過(guo)程(cheng)(cheng)中(zhong)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)使用(yong)(yong)正(zheng)(zheng)(zheng)(zheng)確的(de)(de)(de)(de)工(gong)具和安(an)(an)裝(zhuang)(zhuang)方(fang)法，避免(mian)(mian)對密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)造成(cheng)損傷。同(tong)時(shi)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)確保(bao)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)位置正(zheng)(zheng)(zheng)(zheng)確，避免(mian)(mian)出現偏(pian)斜或扭曲等(deng)情況。3.保(bao)持清潔在(zai)(zai)使用(yong)(yong)過(guo)程(cheng)(cheng)中(zhong)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)保(bao)持密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)清潔，避免(mian)(mian)灰塵、污垢等(deng)雜質的(de)(de)(de)(de)侵入。同(tong)時(shi)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)及時(shi)清理泄(xie)漏的(de)(de)(de)(de)液(ye)體或氣體，避免(mian)(mian)對密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)造成(cheng)腐(fu)蝕或損傷。4.定期更(geng)(geng)換為(wei)(wei)(wei)了保(bao)證(zheng)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)使用(yong)(yong)壽(shou)命(ming)(ming)和性能，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)定期更(geng)(geng)換密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)。一般來(lai)說，橡(xiang)膠密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)壽(shou)命(ming)(ming)為(wei)(wei)(wei)1-2年，聚四氟乙(yi)烯密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)壽(shou)命(ming)(ming)為(wei)(wei)(wei)3-5年。在(zai)(zai)更(geng)(geng)換過(guo)程(cheng)(cheng)中(zhong)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)選(xuan)擇符(fu)合規格(ge)和標準的(de)(de)(de)(de)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)，并(bing)按(an)照正(zheng)(zheng)(zheng)(zheng)確的(de)(de)(de)(de)安(an)(an)裝(zhuang)(zhuang)方(fang)法進(jin)(jin)行更(geng)(geng)換。5.注意(yi)(yi)使用(yong)(yong)環(huan)(huan)境在(zai)(zai)使用(yong)(yong)過(guo)程(cheng)(cheng)中(zhong)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)(de)使用(yong)(yong)環(huan)(huan)境例。如，在(zai)(zai)高溫、高壓、腐(fu)蝕性強的(de)(de)(de)(de)環(huan)(huan)境下，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)選(xuan)擇更(geng)(geng)加耐(nai)用(yong)(yong)的(de)(de)(de)(de)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)品種(zhong)和材質。同(tong)時(shi)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)避免(mian)(mian)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)受到(dao)陽光直(zhi)射(she)、潮濕(shi)環(huan)(huan)境等(deng)因素的(de)(de)(de)(de)影(ying)響。總之(zhi)，正(zheng)(zheng)(zheng)(zheng)確選(xuan)擇和使用(yong)(yong)密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)是保(bao)證(zheng)機(ji)械和設(she)備正(zheng)(zheng)(zheng)(zheng)常(chang)運轉的(de)(de)(de)(de)重要(yao)(yao)(yao)(yao)(yao)保(bao)障。在(zai)(zai)使用(yong)(yong)過(guo)程(cheng)(cheng)中(zhong)，需(xu)(xu)(xu)要(yao)(yao)(yao)(yao)(yao)注意(yi)(yi)安(an)(an)裝(zhuang)(zhuang)保(bao)養事(shi)項。江(jiang)蘇(su)水杯硅膠密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)粘接方(fang)法氣缸活塞密(mi)封(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)種(zhong)類。

二(er)、電絕緣性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)好有(you)機(ji)硅(gui)膠(jiao)具(ju)有(you)優異(yi)的(de)(de)(de)(de)電氣(qi)(qi)(qi)絕緣性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)，耐(nai)(nai)電暈性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(能(neng)夠抵抗質(zhi)(zhi)量下(xia)(xia)降的(de)(de)(de)(de)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)質(zhi)(zhi))和(he)耐(nai)(nai)電弧性(xing)(xing)(xing)(xing)(xing)(xing)(xing)(抵抗由(you)(you)高(gao)(gao)壓(ya)電弧作用(yong)引(yin)起變(bian)質(zhi)(zhi)的(de)(de)(de)(de)能(neng)力)也非常好。三、材質(zhi)(zhi)安全環(huan)保硅(gui)橡(xiang)(xiang)膠(jiao)有(you)其(qi)獨特的(de)(de)(de)(de)生理惰(duo)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，無毒，無味，無嗅，保鮮效(xiao)果(guo)好，而(er)且(qie)受外(wai)界環(huan)境干擾(rao)少，長期使(shi)(shi)用(yong)不(bu)變(bian)黃、不(bu)褪(tun)色。并(bing)且(qie)符合國家食(shi)品和(he)醫藥衛生標準(zhun)，多用(yong)于食(shi)品、醫藥、鋁銀漿和(he)各種油類過濾除雜上。四、高(gao)(gao)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)和(he)對(dui)(dui)氣(qi)(qi)(qi)體透(tou)(tou)過的(de)(de)(de)(de)選(xuan)擇性(xing)(xing)(xing)(xing)(xing)(xing)(xing)由(you)(you)于硅(gui)膠(jiao)的(de)(de)(de)(de)分子(zi)(zi)結構使(shi)(shi)硅(gui)膠(jiao)密封(feng)圈(quan)(quan)(quan)具(ju)有(you)很好的(de)(de)(de)(de)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)并(bing)對(dui)(dui)氣(qi)(qi)(qi)體具(ju)有(you)很好的(de)(de)(de)(de)選(xuan)擇性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，室溫下(xia)(xia)硅(gui)橡(xiang)(xiang)膠(jiao)對(dui)(dui)空氣(qi)(qi)(qi)、氮(dan)(dan)、氧(yang)、二(er)氧(yang)化碳等氣(qi)(qi)(qi)體的(de)(de)(de)(de)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)比(bi)天然(ran)橡(xiang)(xiang)膠(jiao)高(gao)(gao)出30-50倍(bei)。五、有(you)吸(xi)濕性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)硅(gui)膠(jiao)圈(quan)(quan)(quan)的(de)(de)(de)(de)表面能(neng)較低，對(dui)(dui)環(huan)境中(zhong)的(de)(de)(de)(de)水分具(ju)有(you)吸(xi)收功能(neng)并(bing)起到(dao)隔絕的(de)(de)(de)(de)作用(yong)。六、高(gao)(gao)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)和(he)對(dui)(dui)氣(qi)(qi)(qi)體透(tou)(tou)過的(de)(de)(de)(de)選(xuan)擇性(xing)(xing)(xing)(xing)(xing)(xing)(xing)由(you)(you)于硅(gui)膠(jiao)的(de)(de)(de)(de)分子(zi)(zi)結構使(shi)(shi)硅(gui)膠(jiao)密封(feng)圈(quan)(quan)(quan)具(ju)有(you)很好的(de)(de)(de)(de)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)并(bing)對(dui)(dui)氣(qi)(qi)(qi)體具(ju)有(you)很好的(de)(de)(de)(de)選(xuan)擇性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，室溫下(xia)(xia)硅(gui)橡(xiang)(xiang)膠(jiao)對(dui)(dui)空氣(qi)(qi)(qi)、氮(dan)(dan)、氧(yang)、二(er)氧(yang)化碳等氣(qi)(qi)(qi)體的(de)(de)(de)(de)透(tou)(tou)氣(qi)(qi)(qi)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)比(bi)天然(ran)橡(xiang)(xiang)膠(jiao)高(gao)(gao)出30-50倍(bei)。七、耐(nai)(nai)高(gao)(gao)低溫范圍多1、耐(nai)(nai)高(gao)(gao)溫性(xing)(xing)(xing)(xing)(xing)(xing)(xing)：硅(gui)膠(jiao)制作的(de)(de)(de)(de)密封(feng)圈(quan)(quan)(quan)對(dui)(dui)比(bi)與普通橡(xiang)(xiang)膠(jiao)具(ju)有(you)更好的(de)(de)(de)(de)耐(nai)(nai)熱(re)性(xing)(xing)(xing)(xing)(xing)(xing)(xing)，可置高(gao)(gao)溫下(xia)(xia)加(jia)熱(re)而(er)不(bu)變(bian)形不(bu)產生有(you)害物質(zhi)(zhi)。可在150℃下(xia)(xia)幾(ji)乎永(yong)遠使(shi)(shi)用(yong)而(er)無性(xing)(xing)(xing)(xing)(xing)(xing)(xing)能(neng)變(bian)化，可在200℃下(xia)(xia)連(lian)續(xu)使(shi)(shi)用(yong)10000小時，在350℃下(xia)(xia)亦可使(shi)(shi)用(yong)一段(duan)時間(jian)。多應用(yong)于要求耐(nai)(nai)熱(re)的(de)(de)(de)(de)場合。

液(ye)壓(ya)(ya)(ya)元(yuan)件(jian)殼體(ti)材(cai)料(liao)的(de)選(xuan)(xuan)取(qu)對于(yu)(yu)液(ye)壓(ya)(ya)(ya)元(yuan)件(jian)中(zhong)(zhong)很多的(de)殼體(ti)，如(ru)液(ye)壓(ya)(ya)(ya)泵、馬(ma)達、閥(fa)的(de)殼體(ti)和(he)端蓋等，基本為黑(hei)色金屬(shu)鑄(zhu)件(jian)，材(cai)料(liao)應(ying)具有較(jiao)高的(de)抗拉、抗壓(ya)(ya)(ya)的(de)機(ji)械性(xing)能(neng)(neng)，有一定的(de)彈(dan)(dan)性(xing)，有硬度(du)、有恢復變(bian)(bian)(bian)形的(de)能(neng)(neng)力，抗彎(wan)曲(qu)強度(du)高，變(bian)(bian)(bian)形小(xiao)。主要(yao)材(cai)料(liao)為灰(hui)口鑄(zhu)鐵(tie)(tie)、球墨鑄(zhu)鐵(tie)(tie)，選(xuan)(xuan)用(yong)灰(hui)口鑄(zhu)鐵(tie)(tie)材(cai)料(liao)時要(yao)考慮抗壓(ya)(ya)(ya)強度(du)、抗彎(wan)強度(du)、彈(dan)(dan)性(xing)，多選(xuan)(xuan)用(yong)HT250和(he)HT300。球墨鑄(zhu)鐵(tie)(tie)主要(yao)要(yao)求(qiu)抗拉強度(du)和(he)延伸率，能(neng)(neng)更(geng)好地適應(ying)液(ye)壓(ya)(ya)(ya)系統的(de)沖擊(ji)工況(kuang)，一般選(xuan)(xuan)取(qu)QT450-10或QT500-7。o型(xing)(xing)密(mi)封(feng)(feng)圈平面靜密(mi)封(feng)(feng)為例，滲漏(lou)產(chan)(chan)生(sheng)(sheng)的(de)根(gen)源是間(jian)隙(xi)(xi)(xi)造成的(de)，液(ye)壓(ya)(ya)(ya)元(yuan)件(jian)的(de)殼體(ti)在高壓(ya)(ya)(ya)情況(kuang)下(xia)(xia)會(hui)(hui)(hui)產(chan)(chan)生(sheng)(sheng)變(bian)(bian)(bian)形，這(zhe)個變(bian)(bian)(bian)形會(hui)(hui)(hui)使在密(mi)封(feng)(feng)部位產(chan)(chan)生(sheng)(sheng)間(jian)隙(xi)(xi)(xi)，o型(xing)(xing)密(mi)封(feng)(feng)圈則通過(guo)變(bian)(bian)(bian)形彌補而進行密(mi)封(feng)(feng)，而當間(jian)隙(xi)(xi)(xi)過(guo)大(da)時，就會(hui)(hui)(hui)出現(xian)o型(xing)(xing)密(mi)封(feng)(feng)圈切邊、損(sun)壞(huai)等現(xian)象，進而短期內密(mi)封(feng)(feng)失效。這(zhe)種高壓(ya)(ya)(ya)下(xia)(xia)的(de)微(wei)小(xiao)變(bian)(bian)(bian)形對密(mi)封(feng)(feng)的(de)影響不大(da)，如(ru)果變(bian)(bian)(bian)形過(guo)大(da)產(chan)(chan)生(sheng)(sheng)了可見的(de)間(jian)隙(xi)(xi)(xi)，可以用(yong)塞尺進行測量，在液(ye)壓(ya)(ya)(ya)元(yuan)件(jian)的(de)應(ying)用(yong)中(zhong)(zhong)如(ru)果間(jian)隙(xi)(xi)(xi)大(da)于(yu)(yu)0.02mm，極易產(chan)(chan)生(sheng)(sheng)泄(xie)漏(lou)(見圖(tu)1)。在長期使用(yong)的(de)情況(kuang)下(xia)(xia)，殼體(ti)材(cai)料(liao)如(ru)果抗彎(wan)曲(qu)強度(du)不夠，或者(zhe)彈(dan)(dan)性(xing)差，在交(jiao)變(bian)(bian)(bian)的(de)高壓(ya)(ya)(ya)下(xia)(xia)也會(hui)(hui)(hui)產(chan)(chan)生(sheng)(sheng)性(xing)變(bian)(bian)(bian)形，這(zhe)樣在零件(jian)結合面就慢(man)慢(man)地產(chan)(chan)生(sheng)(sheng)間(jian)隙(xi)(xi)(xi)，間(jian)隙(xi)(xi)(xi)過(guo)大(da)后(hou)，就會(hui)(hui)(hui)出現(xian)o型(xing)(xing)密(mi)封(feng)(feng)圈切邊、損(sun)壞(huai)等現(xian)象，進而密(mi)封(feng)(feng)失效。2)什么是高彈(dan)(dan)性(xing)硅膠密(mi)封(feng)(feng)圈？

硅(gui)膠(jiao)(jiao)(jiao)o型(xing)(xing)密封(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)(de)(de)(de)優(you)點(dian)(dian)有(you)(you)(you)哪(na)些？硅(gui)膠(jiao)(jiao)(jiao)o型(xing)(xing)密封(feng)(feng)(feng)圈(quan)擁(yong)有(you)(you)(you)良好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)收(shou)縮(suo)變(bian)形功能(neng)，對(dui)于中(zhong)性(xing)溶(rong)劑(ji)也比(bi)硅(gui)膠(jiao)(jiao)(jiao)鍵具有(you)(you)(you)更好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)抗抗性(xing)，耐(nai)低(di)溫(wen)(wen)機(ji)能(neng)在(zai)(zai)硅(gui)膠(jiao)(jiao)(jiao)方(fang)面(mian)體(ti)現(xian)得淋漓盡致，O型(xing)(xing)密封(feng)(feng)(feng)圈(quan)選用(yong)(yong)(yong)要(yao)盡量選用(yong)(yong)(yong)大截面(mian)的(de)(de)(de)(de)(de)(de)(de)(de)O圈(quan).在(zai)(zai)相同間(jian)隙的(de)(de)(de)(de)(de)(de)(de)(de)情況(kuang)下.O型(xing)(xing)密封(feng)(feng)(feng)圈(quan)被(bei)(bei)擠(ji)入間(jian)隙的(de)(de)(de)(de)(de)(de)(de)(de)體(ti)積應(ying)當小于其被(bei)(bei)擠(ji)入的(de)(de)(de)(de)(de)(de)(de)(de)最大允(yun)許值。硅(gui)膠(jiao)(jiao)(jiao)o型(xing)(xing)密封(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)(de)(de)(de)缺點(dian)(dian)？硅(gui)膠(jiao)(jiao)(jiao)橡(xiang)膠(jiao)(jiao)(jiao)制(zhi)品(pin)個別(bie)不(bu)倡(chang)導(dao)利用(yong)(yong)(yong)在(zai)(zai)某(mou)些環(huan)(huan)境之中(zhong)液態硅(gui)膠(jiao)(jiao)(jiao)，比(bi)方(fang)厚縮(suo)酸及經稀釋(shi)后的(de)(de)(de)(de)(de)(de)(de)(de)氫氧化(hua)納，大局(ju)部厚縮(suo)的(de)(de)(de)(de)(de)(de)(de)(de)溶(rong)劑(ji)，油品(pin)，O型(xing)(xing)圈(quan)種圓環(huan)(huan)形狀(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)機(ji)械(xie)墊片，它是(shi)環(huan)(huan)狀(zhuang)的(de)(de)(de)(de)(de)(de)(de)(de)彈性(xing)體(ti)，斷面(mian)為(wei)圓形，一(yi)般會(hui)固定在(zai)(zai)一(yi)凹(ao)槽中(zhong)，組(zu)裝(zhuang)硅(gui)膠(jiao)(jiao)(jiao)制(zhi)品(pin)工廠過(guo)程中(zhong)會(hui)被(bei)(bei)兩(liang)個或兩(liang)個以(yi)上(shang)的(de)(de)(de)(de)(de)(de)(de)(de)組(zu)件壓縮(suo)，因此產生密封(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)(de)(de)接口。有(you)(you)(you)哪(na)些方(fang)法可(ke)以(yi)辨(bian)別(bie)硅(gui)膠(jiao)(jiao)(jiao)o型(xing)(xing)密封(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)(de)(de)(de)好(hao)(hao)壞呢？1，真的(de)(de)(de)(de)(de)(de)(de)(de)硅(gui)膠(jiao)(jiao)(jiao)制(zhi)品(pin)假(jia)如表(biao)(biao)(biao)層(ceng)沒(mei)有(you)(you)(you)特(te)殊處理的(de)(de)(de)(de)(de)(de)(de)(de)話手摸起來會(hui)感(gan)硅(gui)膠(jiao)(jiao)(jiao)按鍵廠家到(dao)比(bi)較光滑，因為(wei)表(biao)(biao)(biao)面(mian)層(ceng)會(hui)存在(zai)(zai)一(yi)層(ceng)油脂狀(zhuang)物質。2，假(jia)的(de)(de)(de)(de)(de)(de)(de)(de)硅(gui)膠(jiao)(jiao)(jiao)帶容(rong)易變(bian)形，而真的(de)(de)(de)(de)(de)(de)(de)(de)硅(gui)膠(jiao)(jiao)(jiao)會(hui)感(gan)覺回彈很好(hao)(hao)，扯拉久變(bian)形比(bi)較小，你(ni)把硅(gui)膠(jiao)(jiao)(jiao)割下一(yi)點(dian)(dian)點(dian)(dian)用(yong)(yong)(yong)火燒下密封(feng)(feng)(feng)件，如果不(bu)會(hui)著(zhu)明火只冒白煙和(he)火星而且(qie)燒完的(de)(de)(de)(de)(de)(de)(de)(de)呈白色(se)的(de)(de)(de)(de)(de)(de)(de)(de)粉未就是(shi)硅(gui)膠(jiao)(jiao)(jiao).有(you)(you)(you)異味的(de)(de)(de)(de)(de)(de)(de)(de)也可(ke)能(neng)是(shi)硅(gui)膠(jiao)(jiao)(jiao)，只是(shi)他們用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)(de)硫化(hua)劑(ji)有(you)(you)(you)上(shang)問題。3，硅(gui)橡(xiang)膠(jiao)(jiao)(jiao)表(biao)(biao)(biao)面(mian)容(rong)易粘(zhan)灰塵(chen)，橡(xiang)膠(jiao)(jiao)(jiao)制(zhi)品(pin)毛發等比(bi)較輕的(de)(de)(de)(de)(de)(de)(de)(de)雜質。4，好(hao)(hao)的(de)(de)(de)(de)(de)(de)(de)(de)硅(gui)膠(jiao)(jiao)(jiao)無異味，遇熱不(bu)軟化(hua)不(bu)變(bian)色(se)。5，取一(yi)段密封(feng)(feng)(feng)圈(quan)用(yong)(yong)(yong)火燒。你(ni)知道硅(gui)膠(jiao)(jiao)(jiao)密封(feng)(feng)(feng)圈(quan)和(he)橡(xiang)膠(jiao)(jiao)(jiao)密封(feng)(feng)(feng)圈(quan)之間(jian)的(de)(de)(de)(de)(de)(de)(de)(de)區(qu)別(bie)是(shi)什(shen)么嗎？四川(chuan)高溫(wen)(wen)硅(gui)膠(jiao)(jiao)(jiao)密封(feng)(feng)(feng)圈(quan)規格(ge)

耐(nai)高(gao)溫硅膠密封圈用(yong)途。云南導電硅膠密封圈

硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)作(zuo)為一種(zhong)(zhong)常(chang)用(yong)(yong)(yong)(yong)的(de)(de)(de)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)材料(liao)，在許(xu)多工業(ye)和(he)(he)商業(ye)應(ying)(ying)用(yong)(yong)(yong)(yong)中(zhong)(zhong)發揮著重要作(zuo)用(yong)(yong)(yong)(yong)。其獨特的(de)(de)(de)優點使其在各(ge)種(zhong)(zhong)環(huan)(huan)境(jing)(jing)和(he)(he)條件(jian)下(xia)(xia)都表現出(chu)色。以(yi)下(xia)(xia)是硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)的(de)(de)(de)一些主要優點：耐(nai)高溫(wen)(wen)性(xing)(xing)： 硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)具有出(chu)色的(de)(de)(de)耐(nai)高溫(wen)(wen)性(xing)(xing)能(neng)(neng)，在高溫(wen)(wen)環(huan)(huan)境(jing)(jing)下(xia)(xia)依然能(neng)(neng)夠(gou)保持(chi)穩定的(de)(de)(de)性(xing)(xing)能(neng)(neng)。它可以(yi)承受高達200°C以(yi)上的(de)(de)(de)溫(wen)(wen)度，使其在熱(re)工業(ye)和(he)(he)高溫(wen)(wen)環(huan)(huan)境(jing)(jing)中(zhong)(zhong)得到(dao)應(ying)(ying)用(yong)(yong)(yong)(yong)。耐(nai)低溫(wen)(wen)性(xing)(xing)： 與耐(nai)高溫(wen)(wen)性(xing)(xing)相反，硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)同樣(yang)具有優異(yi)的(de)(de)(de)耐(nai)低溫(wen)(wen)性(xing)(xing)能(neng)(neng)。在極(ji)寒(han)條件(jian)下(xia)(xia)，硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)仍能(neng)(neng)保持(chi)彈(dan)性(xing)(xing)和(he)(he)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)效果，不易變(bian)硬和(he)(he)破裂，適(shi)用(yong)(yong)(yong)(yong)于冷(leng)凍設(she)備等應(ying)(ying)用(yong)(yong)(yong)(yong)。耐(nai)化學品(pin)： 硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)具有優異(yi)的(de)(de)(de)耐(nai)化學品(pin)性(xing)(xing)能(neng)(neng)，能(neng)(neng)夠(gou)抵(di)抗多種(zhong)(zhong)化學品(pin)的(de)(de)(de)侵蝕(shi)，包(bao)括酸(suan)、堿、溶劑等。這使得硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)在化學工業(ye)和(he)(he)實(shi)驗室等環(huan)(huan)境(jing)(jing)中(zhong)(zhong)得到(dao)使用(yong)(yong)(yong)(yong)。良好的(de)(de)(de)電絕緣性(xing)(xing)： 硅(gui)膠(jiao)是一種(zhong)(zhong)良好的(de)(de)(de)電絕緣材料(liao)，具有優異(yi)的(de)(de)(de)絕緣性(xing)(xing)能(neng)(neng)。硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)在電子設(she)備、電氣設(she)備和(he)(he)電力系統中(zhong)(zhong)常(chang)被(bei)用(yong)(yong)(yong)(yong)作(zuo)絕緣元件(jian)，以(yi)防止電流泄漏和(he)(he)干擾。云南導電硅(gui)膠(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)

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