硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)作(zuo)為(wei)一(yi)(yi)種(zhong)(zhong)常用(yong)(yong)(yong)的(de)(de)密(mi)(mi)封(feng)(feng)(feng)材料，在(zai)(zai)(zai)(zai)許多(duo)工(gong)業和(he)商業應(ying)用(yong)(yong)(yong)中(zhong)發揮著重要(yao)作(zuo)用(yong)(yong)(yong)。其(qi)獨特的(de)(de)優(you)點使其(qi)在(zai)(zai)(zai)(zai)各(ge)種(zhong)(zhong)環境和(he)條件(jian)下(xia)都表(biao)現出色(se)。以下(xia)是硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)的(de)(de)一(yi)(yi)些主(zhu)要(yao)優(you)點：耐高溫(wen)(wen)(wen)(wen)性： 硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)具有出色(se)的(de)(de)耐高溫(wen)(wen)(wen)(wen)性能(neng)(neng)(neng)，在(zai)(zai)(zai)(zai)高溫(wen)(wen)(wen)(wen)環境下(xia)依然能(neng)(neng)(neng)夠(gou)保(bao)持(chi)穩定的(de)(de)性能(neng)(neng)(neng)。它可以承受高達200°C以上(shang)的(de)(de)溫(wen)(wen)(wen)(wen)度，使其(qi)在(zai)(zai)(zai)(zai)熱工(gong)業和(he)高溫(wen)(wen)(wen)(wen)環境中(zhong)得(de)到(dao)應(ying)用(yong)(yong)(yong)。耐低溫(wen)(wen)(wen)(wen)性： 與耐高溫(wen)(wen)(wen)(wen)性相反，硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)同樣(yang)具有優(you)異的(de)(de)耐低溫(wen)(wen)(wen)(wen)性能(neng)(neng)(neng)。在(zai)(zai)(zai)(zai)極寒條件(jian)下(xia)，硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)仍能(neng)(neng)(neng)保(bao)持(chi)彈性和(he)密(mi)(mi)封(feng)(feng)(feng)效果，不易變(bian)硬和(he)破(po)裂，適用(yong)(yong)(yong)于(yu)冷凍設備等(deng)應(ying)用(yong)(yong)(yong)。耐化(hua)學(xue)品： 硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)具有優(you)異的(de)(de)耐化(hua)學(xue)品性能(neng)(neng)(neng)，能(neng)(neng)(neng)夠(gou)抵抗多(duo)種(zhong)(zhong)化(hua)學(xue)品的(de)(de)侵蝕，包括(kuo)酸、堿、溶劑等(deng)。這使得(de)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)在(zai)(zai)(zai)(zai)化(hua)學(xue)工(gong)業和(he)實驗室(shi)等(deng)環境中(zhong)得(de)到(dao)使用(yong)(yong)(yong)。良好的(de)(de)電(dian)(dian)絕緣(yuan)性： 硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)是一(yi)(yi)種(zhong)(zhong)良好的(de)(de)電(dian)(dian)絕緣(yuan)材料，具有優(you)異的(de)(de)絕緣(yuan)性能(neng)(neng)(neng)。硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)在(zai)(zai)(zai)(zai)電(dian)(dian)子(zi)設備、電(dian)(dian)氣設備和(he)電(dian)(dian)力系統中(zhong)常被用(yong)(yong)(yong)作(zuo)絕緣(yuan)元(yuan)件(jian)，以防止電(dian)(dian)流泄漏和(he)干擾。耐高溫(wen)(wen)(wen)(wen)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)性能(neng)(neng)(neng)。江西護線硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)批發廠家(jia)

o型密(mi)封(feng)(feng)(feng)圈選取(qu)一般(ban)包括(kuo)(kuo)規(gui)格(ge)、材(cai)料(liao)(liao)(liao)、硬(ying)度(du)(du)(du)(du)、壓(ya)(ya)縮(suo)變(bian)(bian)(bian)形(xing)(xing)率(lv)等(deng)。o型密(mi)封(feng)(feng)(feng)圈的(de)(de)(de)(de)(de)(de)規(gui)格(ge)根(gen)據(ju)溝槽的(de)(de)(de)(de)(de)(de)尺(chi)寸確定(ding)，要充(chong)分考(kao)慮壓(ya)(ya)縮(suo)率(lv)和填充(chong)量。材(cai)料(liao)(liao)(liao)選取(qu)一般(ban)根(gen)據(ju)使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)環境(jing)溫(wen)(wen)(wen)度(du)(du)(du)(du)確定(ding)，常(chang)(chang)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)材(cai)料(liao)(liao)(liao)包括(kuo)(kuo)丁腈橡(xiang)膠(jiao)、氟橡(xiang)膠(jiao)等(deng)，丁腈橡(xiang)膠(jiao)是多使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)材(cai)料(liao)(liao)(liao)，具(ju)有好的(de)(de)(de)(de)(de)(de)耐礦物油性，使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)(du)范圍(wei)為(wei)-30℃~120℃。氟橡(xiang)膠(jiao)具(ju)有的(de)(de)(de)(de)(de)(de)耐油和耐熱(re)性，使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)溫(wen)(wen)(wen)度(du)(du)(du)(du)范圍(wei)為(wei)-15℃~220℃。硬(ying)度(du)(du)(du)(du)的(de)(de)(de)(de)(de)(de)選取(qu)根(gen)據(ju)o型密(mi)封(feng)(feng)(feng)圈使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)壓(ya)(ya)力(li)確定(ding)和材(cai)料(liao)(liao)(liao)的(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)形(xing)(xing)確定(ding)，常(chang)(chang)用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)硬(ying)度(du)(du)(du)(du)有HS70、HS90，硬(ying)度(du)(du)(du)(du)為(wei)HS70的(de)(de)(de)(de)(de)(de)o型密(mi)封(feng)(feng)(feng)圈常(chang)(chang)用(yong)(yong)(yong)在壓(ya)(ya)力(li)在30MPa以內的(de)(de)(de)(de)(de)(de)場所(suo)，硬(ying)度(du)(du)(du)(du)為(wei)HS90的(de)(de)(de)(de)(de)(de)o型密(mi)封(feng)(feng)(feng)圈常(chang)(chang)用(yong)(yong)(yong)在壓(ya)(ya)力(li)大于30MPa的(de)(de)(de)(de)(de)(de)高壓(ya)(ya)場所(suo)。o型密(mi)封(feng)(feng)(feng)圈的(de)(de)(de)(de)(de)(de)低壓(ya)(ya)縮(suo)性變(bian)(bian)(bian)形(xing)(xing)率(lv)也是保(bao)證密(mi)封(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)關鍵，跟o型密(mi)封(feng)(feng)(feng)圈的(de)(de)(de)(de)(de)(de)材(cai)料(liao)(liao)(liao)、使(shi)(shi)用(yong)(yong)(yong)時(shi)(shi)間、使(shi)(shi)用(yong)(yong)(yong)溫(wen)(wen)(wen)度(du)(du)(du)(du)、線徑等(deng)相關，一般(ban)使(shi)(shi)用(yong)(yong)(yong)時(shi)(shi)間越長、使(shi)(shi)用(yong)(yong)(yong)溫(wen)(wen)(wen)度(du)(du)(du)(du)越高，線徑越細(xi)越容易出現壓(ya)(ya)縮(suo)性變(bian)(bian)(bian)形(xing)(xing)，o型密(mi)封(feng)(feng)(feng)圈的(de)(de)(de)(de)(de)(de)壓(ya)(ya)縮(suo)變(bian)(bian)(bian)形(xing)(xing)率(lv)關系到密(mi)封(feng)(feng)(feng)的(de)(de)(de)(de)(de)(de)使(shi)(shi)用(yong)(yong)(yong)壽(shou)命。安(an)徽硅(gui)膠(jiao)密(mi)封(feng)(feng)(feng)圈批量定(ding)制耐高溫(wen)(wen)(wen)硅(gui)膠(jiao)密(mi)封(feng)(feng)(feng)圈用(yong)(yong)(yong)途。

耐高(gao)(gao)溫(wen)性(xing)(xing)： 硅(gui)膠密(mi)封圈(quan)具有(you)(you)出色的(de)(de)耐高(gao)(gao)溫(wen)性(xing)(xing)能(neng)，在高(gao)(gao)溫(wen)環境(jing)下(xia)依然(ran)能(neng)夠保(bao)持穩(wen)定的(de)(de)性(xing)(xing)能(neng)。它可以承(cheng)受(shou)高(gao)(gao)達200°C以上的(de)(de)溫(wen)度，使其在熱工業(ye)和(he)高(gao)(gao)溫(wen)環境(jing)中得(de)到應(ying)用(yong)(yong)(yong)。耐低(di)溫(wen)性(xing)(xing)： 與耐高(gao)(gao)溫(wen)性(xing)(xing)相反，硅(gui)膠密(mi)封圈(quan)同樣具有(you)(you)優(you)異的(de)(de)耐低(di)溫(wen)性(xing)(xing)能(neng)。在極寒條件下(xia)，硅(gui)膠密(mi)封圈(quan)仍能(neng)保(bao)持彈性(xing)(xing)和(he)密(mi)封效果，不(bu)易變硬和(he)破(po)裂，適用(yong)(yong)(yong)于冷凍(dong)設備等應(ying)用(yong)(yong)(yong)。耐化學品： 硅(gui)膠密(mi)封圈(quan)具有(you)(you)優(you)異的(de)(de)耐化學品性(xing)(xing)能(neng)，能(neng)夠抵抗多種化學品的(de)(de)侵蝕，包括酸、堿(jian)、溶(rong)劑等。這使得(de)硅(gui)膠密(mi)封圈(quan)在化學工業(ye)和(he)實(shi)驗(yan)室等環境(jing)中得(de)到使用(yong)(yong)(yong)。良(liang)好(hao)的(de)(de)電(dian)(dian)(dian)絕(jue)緣(yuan)性(xing)(xing)： 硅(gui)膠是(shi)一(yi)種良(liang)好(hao)的(de)(de)電(dian)(dian)(dian)絕(jue)緣(yuan)材料，具有(you)(you)優(you)異的(de)(de)絕(jue)緣(yuan)性(xing)(xing)能(neng)。硅(gui)膠密(mi)封圈(quan)在電(dian)(dian)(dian)子設備、電(dian)(dian)(dian)氣設備和(he)電(dian)(dian)(dian)力系統中常被(bei)用(yong)(yong)(yong)作(zuo)絕(jue)緣(yuan)元件，以防(fang)止電(dian)(dian)(dian)流泄漏(lou)和(he)干(gan)擾。

液(ye)壓元(yuan)件(jian)殼體(ti)(ti)材料(liao)(liao)的(de)(de)(de)(de)(de)(de)(de)選(xuan)取對(dui)于(yu)液(ye)壓元(yuan)件(jian)中很多的(de)(de)(de)(de)(de)(de)(de)殼體(ti)(ti)，如(ru)液(ye)壓泵(beng)、馬(ma)達(da)、閥的(de)(de)(de)(de)(de)(de)(de)殼體(ti)(ti)和端蓋等，基本為(wei)(wei)黑色金(jin)屬鑄件(jian)，材料(liao)(liao)應(ying)具有(you)較高(gao)的(de)(de)(de)(de)(de)(de)(de)抗(kang)(kang)(kang)拉、抗(kang)(kang)(kang)壓的(de)(de)(de)(de)(de)(de)(de)機械(xie)性能，有(you)一(yi)定(ding)的(de)(de)(de)(de)(de)(de)(de)彈(dan)性，有(you)硬度(du)(du)、有(you)恢復變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)能力，抗(kang)(kang)(kang)彎曲(qu)(qu)強(qiang)度(du)(du)高(gao)，變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)小。主要(yao)材料(liao)(liao)為(wei)(wei)灰(hui)口鑄鐵(tie)(tie)、球墨鑄鐵(tie)(tie)，選(xuan)用(yong)(yong)(yong)灰(hui)口鑄鐵(tie)(tie)材料(liao)(liao)時要(yao)考慮抗(kang)(kang)(kang)壓強(qiang)度(du)(du)、抗(kang)(kang)(kang)彎強(qiang)度(du)(du)、彈(dan)性，多選(xuan)用(yong)(yong)(yong)HT250和HT300。球墨鑄鐵(tie)(tie)主要(yao)要(yao)求抗(kang)(kang)(kang)拉強(qiang)度(du)(du)和延伸率，能更好(hao)地適應(ying)液(ye)壓系統的(de)(de)(de)(de)(de)(de)(de)沖擊工(gong)況(kuang)，一(yi)般選(xuan)取QT450-10或QT500-7。o型(xing)密(mi)(mi)(mi)封(feng)圈平面(mian)靜密(mi)(mi)(mi)封(feng)為(wei)(wei)例，滲漏產生的(de)(de)(de)(de)(de)(de)(de)根(gen)源(yuan)是間(jian)隙造成的(de)(de)(de)(de)(de)(de)(de)，液(ye)壓元(yuan)件(jian)的(de)(de)(de)(de)(de)(de)(de)殼體(ti)(ti)在(zai)(zai)高(gao)壓情況(kuang)下(xia)會(hui)(hui)產生變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)，這個變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)會(hui)(hui)使在(zai)(zai)密(mi)(mi)(mi)封(feng)部位產生間(jian)隙，o型(xing)密(mi)(mi)(mi)封(feng)圈則通過變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)彌(mi)補而(er)進(jin)行密(mi)(mi)(mi)封(feng)，而(er)當間(jian)隙過大(da)時，就(jiu)(jiu)會(hui)(hui)出現(xian)o型(xing)密(mi)(mi)(mi)封(feng)圈切邊、損(sun)壞等現(xian)象，進(jin)而(er)短期內密(mi)(mi)(mi)封(feng)失(shi)效(xiao)。這種高(gao)壓下(xia)的(de)(de)(de)(de)(de)(de)(de)微小變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)對(dui)密(mi)(mi)(mi)封(feng)的(de)(de)(de)(de)(de)(de)(de)影響不(bu)大(da)，如(ru)果變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)過大(da)產生了可見的(de)(de)(de)(de)(de)(de)(de)間(jian)隙，可以用(yong)(yong)(yong)塞尺(chi)進(jin)行測量，在(zai)(zai)液(ye)壓元(yuan)件(jian)的(de)(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)(yong)中如(ru)果間(jian)隙大(da)于(yu)0.02mm，極易產生泄漏(見圖(tu)1)。在(zai)(zai)長期使用(yong)(yong)(yong)的(de)(de)(de)(de)(de)(de)(de)情況(kuang)下(xia)，殼體(ti)(ti)材料(liao)(liao)如(ru)果抗(kang)(kang)(kang)彎曲(qu)(qu)強(qiang)度(du)(du)不(bu)夠，或者彈(dan)性差，在(zai)(zai)交變(bian)(bian)(bian)的(de)(de)(de)(de)(de)(de)(de)高(gao)壓下(xia)也(ye)會(hui)(hui)產生性變(bian)(bian)(bian)形(xing)(xing)(xing)(xing)，這樣在(zai)(zai)零(ling)件(jian)結合面(mian)就(jiu)(jiu)慢慢地產生間(jian)隙，間(jian)隙過大(da)后(hou)，就(jiu)(jiu)會(hui)(hui)出現(xian)o型(xing)密(mi)(mi)(mi)封(feng)圈切邊、損(sun)壞等現(xian)象，進(jin)而(er)密(mi)(mi)(mi)封(feng)失(shi)效(xiao)。2)硅膠的(de)(de)(de)(de)(de)(de)(de)性質特殊(shu)，被廣泛(fan)應(ying)用(yong)(yong)(yong)于(yu)不(bu)同領域！

O型密(mi)(mi)封(feng)圈(quan)是(shi)一種常(chang)見的(de)(de)(de)密(mi)(mi)封(feng)元件，可(ke)用(yong)(yong)(yong)于(yu)(yu)各種不同的(de)(de)(de)應用(yong)(yong)(yong)，如液壓系(xi)(xi)統、密(mi)(mi)封(feng)腔(qiang)體等(deng)(deng)。以下是(shi)一些常(chang)見的(de)(de)(de)O型密(mi)(mi)封(feng)圈(quan)材質(zhi)：1.丁腈橡(xiang)膠（NBR）：適用(yong)(yong)(yong)于(yu)(yu)一般工(gong)業應用(yong)(yong)(yong)，耐(nai)(nai)油(you)(you)、耐(nai)(nai)溶劑(ji)、耐(nai)(nai)大(da)氣(qi)老化(hua)(hua)(hua)(hua)(hua)、耐(nai)(nai)臭氧等(deng)(deng)性(xing)(xing)(xing)(xing)能較(jiao)好(hao)。2.丁基(ji)橡(xiang)膠（IIR）：對石油(you)(you)和溶劑(ji)具有(you)較(jiao)好(hao)的(de)(de)(de)耐(nai)(nai)性(xing)(xing)(xing)(xing)，氣(qi)密(mi)(mi)性(xing)(xing)(xing)(xing)和絕緣性(xing)(xing)(xing)(xing)較(jiao)好(hao)，可(ke)用(yong)(yong)(yong)于(yu)(yu)密(mi)(mi)封(feng)汽(qi)油(you)(you)、機(ji)(ji)油(you)(you)等(deng)(deng)物質(zhi)。3.氫化(hua)(hua)(hua)(hua)(hua)丁腈橡(xiang)膠（HNBR）：具有(you)優(you)異(yi)的(de)(de)(de)耐(nai)(nai)腐(fu)蝕(shi)性(xing)(xing)(xing)(xing)和耐(nai)(nai)撕(si)裂性(xing)(xing)(xing)(xing)，在耐(nai)(nai)油(you)(you)、耐(nai)(nai)化(hua)(hua)(hua)(hua)(hua)學(xue)品方面(mian)表現突出，可(ke)用(yong)(yong)(yong)于(yu)(yu)汽(qi)車(che)發動機(ji)(ji)、洗滌機(ji)(ji)械等(deng)(deng)領域。4.硅(gui)(gui)橡(xiang)膠（SIL）：能抵抗冷(leng)、熱、臭氧和大(da)氣(qi)老化(hua)(hua)(hua)(hua)(hua)的(de)(de)(de)破壞(huai)，拉伸性(xing)(xing)(xing)(xing)能較(jiao)差，不耐(nai)(nai)油(you)(you)，一般用(yong)(yong)(yong)于(yu)(yu)微波爐(lu)、熱水器(qi)、電(dian)熨斗、飲(yin)水機(ji)(ji)、水壺等(deng)(deng)家用(yong)(yong)(yong)電(dian)器(qi)的(de)(de)(de)O形密(mi)(mi)封(feng)圈(quan)。5.氟(fu)橡(xiang)膠（FKM）：具有(you)優(you)異(yi)的(de)(de)(de)耐(nai)(nai)高(gao)(gao)(gao)溫性(xing)(xing)(xing)(xing)和耐(nai)(nai)化(hua)(hua)(hua)(hua)(hua)學(xue)腐(fu)蝕(shi)性(xing)(xing)(xing)(xing)能，一般用(yong)(yong)(yong)于(yu)(yu)高(gao)(gao)(gao)溫和化(hua)(hua)(hua)(hua)(hua)學(xue)腐(fu)蝕(shi)的(de)(de)(de)環境(jing)，如燃料系(xi)(xi)統和化(hua)(hua)(hua)(hua)(hua)工(gong)廠(chang)的(de)(de)(de)O型圈(quan)。6.聚氨(an)酯(zhi)（PU）：具有(you)高(gao)(gao)(gao)機(ji)(ji)械強度和耐(nai)(nai)磨抗性(xing)(xing)(xing)(xing)，適用(yong)(yong)(yong)于(yu)(yu)高(gao)(gao)(gao)壓和高(gao)(gao)(gao)沖擊(ji)負荷的(de)(de)(de)應用(yong)(yong)(yong)。7.聚四氟(fu)乙烯（PTFE）：具有(you)優(you)異(yi)的(de)(de)(de)耐(nai)(nai)化(hua)(hua)(hua)(hua)(hua)學(xue)腐(fu)蝕(shi)性(xing)(xing)(xing)(xing)能和低摩(mo)擦(ca)系(xi)(xi)數，適用(yong)(yong)(yong)于(yu)(yu)各種化(hua)(hua)(hua)(hua)(hua)學(xue)介質(zhi)和高(gao)(gao)(gao)溫環境(jing)。8.聚醚(mi)醚(mi)酮（PEEK）：具有(you)優(you)異(yi)的(de)(de)(de)耐(nai)(nai)高(gao)(gao)(gao)溫性(xing)(xing)(xing)(xing)能和耐(nai)(nai)腐(fu)蝕(shi)性(xing)(xing)(xing)(xing)能，適用(yong)(yong)(yong)于(yu)(yu)要求(qiu)高(gao)(gao)(gao)溫和化(hua)(hua)(hua)(hua)(hua)學(xue)穩定性(xing)(xing)(xing)(xing)的(de)(de)(de)應用(yong)(yong)(yong)。密(mi)(mi)封(feng)圈(quan)為什么要選硅(gui)(gui)膠材料？護線(xian)硅(gui)(gui)膠密(mi)(mi)封(feng)圈(quan)價格

硅膠密封圈(quan)的(de)耐用性。江(jiang)西護線硅膠密封圈(quan)批發廠家

硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)o型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)優點(dian)有哪些？硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)o型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)擁有良好(hao)(hao)的(de)(de)(de)(de)(de)收縮(suo)變形功(gong)能(neng)，對于(yu)中性(xing)溶(rong)劑(ji)也(ye)比(bi)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)鍵具有更好(hao)(hao)的(de)(de)(de)(de)(de)抗抗性(xing)，耐低溫機(ji)能(neng)在(zai)(zai)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)方面體現得淋漓(li)盡(jin)致(zhi)，O型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)選用要盡(jin)量(liang)選用大截面的(de)(de)(de)(de)(de)O圈(quan).在(zai)(zai)相同間(jian)隙的(de)(de)(de)(de)(de)情(qing)況下(xia).O型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)被(bei)擠(ji)入間(jian)隙的(de)(de)(de)(de)(de)體積(ji)應當小于(yu)其被(bei)擠(ji)入的(de)(de)(de)(de)(de)最大允許值。硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)o型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)缺點(dian)？硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)橡膠(jiao)(jiao)(jiao)制品個(ge)別不(bu)倡(chang)導利用在(zai)(zai)某些環境之中液態硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)，比(bi)方厚(hou)縮(suo)酸及經稀釋(shi)后的(de)(de)(de)(de)(de)氫氧化(hua)納，大局部厚(hou)縮(suo)的(de)(de)(de)(de)(de)溶(rong)劑(ji)，油品，O型圈(quan)種圓(yuan)環形狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)機(ji)械墊(dian)片(pian)，它是(shi)(shi)(shi)環狀(zhuang)(zhuang)的(de)(de)(de)(de)(de)彈性(xing)體，斷面為(wei)圓(yuan)形，一般會(hui)固定(ding)在(zai)(zai)一凹槽中，組裝硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)制品工廠過程中會(hui)被(bei)兩(liang)個(ge)或兩(liang)個(ge)以上的(de)(de)(de)(de)(de)組件壓(ya)縮(suo)，因(yin)此產生(sheng)密(mi)(mi)封(feng)(feng)(feng)(feng)的(de)(de)(de)(de)(de)接口。有哪些方法可以辨別硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)o型密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)的(de)(de)(de)(de)(de)好(hao)(hao)壞呢？1，真的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)制品假如表(biao)(biao)層沒(mei)有特殊處(chu)理的(de)(de)(de)(de)(de)話手(shou)摸起來會(hui)感硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)按鍵廠家到比(bi)較光滑，因(yin)為(wei)表(biao)(biao)面層會(hui)存在(zai)(zai)一層油脂狀(zhuang)(zhuang)物質(zhi)。2，假的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)帶容易變形，而真的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)會(hui)感覺回彈很好(hao)(hao)，扯拉久變形比(bi)較小，你把硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)割(ge)下(xia)一點(dian)點(dian)用火燒下(xia)密(mi)(mi)封(feng)(feng)(feng)(feng)件，如果(guo)不(bu)會(hui)著明火只冒白煙和火星而且燒完的(de)(de)(de)(de)(de)呈白色的(de)(de)(de)(de)(de)粉(fen)未就是(shi)(shi)(shi)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao).有異味的(de)(de)(de)(de)(de)也(ye)可能(neng)是(shi)(shi)(shi)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)，只是(shi)(shi)(shi)他們用的(de)(de)(de)(de)(de)硫化(hua)劑(ji)有上問題。3，硅(gui)(gui)(gui)(gui)橡膠(jiao)(jiao)(jiao)表(biao)(biao)面容易粘(zhan)灰塵，橡膠(jiao)(jiao)(jiao)制品毛發等比(bi)較輕的(de)(de)(de)(de)(de)雜質(zhi)。4，好(hao)(hao)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)無異味，遇熱不(bu)軟化(hua)不(bu)變色。5，取(qu)一段(duan)密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)用火燒。江西護線硅(gui)(gui)(gui)(gui)膠(jiao)(jiao)(jiao)密(mi)(mi)封(feng)(feng)(feng)(feng)圈(quan)批發廠家

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