密(mi)封(feng)膠(jiao)(jiao)圈(quan)在(zai)(zai)各大(da)行業領(ling)域都有(you)(you)它(ta)(ta)(ta)的(de)(de)(de)身(shen)影(ying)，特(te)別是目前我(wo)們(men)的(de)(de)(de)電(dian)子產(chan)(chan)品內部(bu)，它(ta)(ta)(ta)作為密(mi)封(feng)防塵防水(shui)早已(yi)成為不可取代的(de)(de)(de)材料之一，所(suo)以(yi)越(yue)來越(yue)多的(de)(de)(de)產(chan)(chan)品都會根據(ju)自己的(de)(de)(de)產(chan)(chan)品外形(xing)進行定制加工，而(er)一些(xie)復雜(za)多變的(de)(de)(de)造(zao)型(xing)結構對(dui)產(chan)(chan)品的(de)(de)(de)防水(shui)過(guo)盈(ying)(ying)量以(yi)及變形(xing)收縮情(qing)況(kuang)還是對(dui)它(ta)(ta)(ta)的(de)(de)(de)密(mi)封(feng)有(you)(you)一定的(de)(de)(de)影(ying)響(xiang)，那(nei)(nei)么在(zai)(zai)定制密(mi)封(feng)圈(quan)時我(wo)們(men)應該注(zhu)意哪些(xie)問題(ti)呢？首先產(chan)(chan)品的(de)(de)(de)結構與尺寸(cun)(cun)大(da)小(xiao)有(you)(you)很大(da)的(de)(de)(de)關系，在(zai)(zai)硅(gui)膠(jiao)(jiao)密(mi)封(feng)圈(quan)領(ling)域中由(you)于(yu)硅(gui)膠(jiao)(jiao)產(chan)(chan)品的(de)(de)(de)尺寸(cun)(cun)公差無法控制到很精密(mi)，所(suo)以(yi)在(zai)(zai)硅(gui)膠(jiao)(jiao)圈(quan)領(ling)域所(suo)有(you)(you)產(chan)(chan)品都需要(yao)適當(dang)縮小(xiao)來保證它(ta)(ta)(ta)的(de)(de)(de)裝配(pei)(pei)緊密(mi)性。如產(chan)(chan)品的(de)(de)(de)尺寸(cun)(cun)比較(jiao)小(xiao)，那(nei)(nei)么它(ta)(ta)(ta)的(de)(de)(de)尺寸(cun)(cun)與裝配(pei)(pei)位需要(yao)伸縮的(de)(de)(de)過(guo)盈(ying)(ying)量可以(yi)適當(dang)偏小(xiao)，不過(guo)產(chan)(chan)品如果屬(shu)于(yu)比較(jiao)大(da)，那(nei)(nei)么在(zai)(zai)做的(de)(de)(de)過(guo)程中縮水(shui)與尺寸(cun)(cun)都要(yao)做的(de)(de)(de)更大(da)。關于(yu)硅(gui)膠(jiao)(jiao)密(mi)封(feng)圈(quan)的(de)(de)(de)知識。廣東進口硅(gui)膠(jiao)(jiao)密(mi)封(feng)圈(quan)批(pi)發

我們(men)平(ping)時(shi)說(shuo)到(dao)的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，就是(shi)由(you)一個或(huo)(huo)幾(ji)個零件組成(cheng)的(de)(de)(de)環形(xing)(xing)置，固定在軸承上的(de)(de)(de)一個套(tao)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)或(huo)(huo)墊圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)上，且與另一個套(tao)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)或(huo)(huo)墊圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)接觸或(huo)(huo)形(xing)(xing)成(cheng)窄的(de)(de)(de)迷官間隙(xi)，可(ke)以(yi)起(qi)到(dao)防止水漏出及(ji)外物侵(qin)入。那么密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)有(you)哪些種類呢，成(cheng)霖密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)硅(gui)膠來告訴大(da)家(jia)。密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)常(chang)見的(de)(de)(de)有(you)O型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，u型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，Y型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，V型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，還有(you)矩(ju)形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)等(deng)等(deng)。下面(mian)給大(da)家(jia)介紹(shao)幾(ji)種常(chang)用(yong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)的(de)(de)(de)分類及(ji)用(yong)途O型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：主要用(yong)于(yu)靜密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)和往(wang)(wang)復運動(dong)(dong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)。用(yong)于(yu)旋轉(zhuan)(zhuan)運動(dong)(dong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)時(shi)，于(yu)低(di)速回(hui)轉(zhuan)(zhuan)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)裝(zhuang)置。U型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：常(chang)用(yong)于(yu)制造液壓(ya)(ya)系統中(zhong)的(de)(de)(de)往(wang)(wang)復密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)。用(yong)于(yu)工程機械中(zhong)液壓(ya)(ya)缸的(de)(de)(de)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)。Y型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：應用(yong)于(yu)往(wang)(wang)復運動(dong)(dong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)裝(zhuang)置中(zhong)。V型(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：是(shi)一種軸向(xiang)作(zuo)用(yong)的(de)(de)(de)彈性橡膠密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)，用(yong)作(zuo)轉(zhuan)(zhuan)軸無(wu)壓(ya)(ya)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)。密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)唇有(you)較好的(de)(de)(de)活動(dong)(dong)性和適應性，可(ke)補償(chang)較大(da)的(de)(de)(de)公差(cha)和角度偏差(cha)，可(ke)防止內部(bu)油脂或(huo)(huo)油液向(xiang)外漏泄，也(ye)可(ke)防止外界的(de)(de)(de)濺水或(huo)(huo)塵埃的(de)(de)(de)侵(qin)入。矩(ju)形(xing)(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)：一般(ban)安裝(zhuang)在外圓或(huo)(huo)內圓上截面(mian)為矩(ju)形(xing)(xing)的(de)(de)(de)溝槽內起(qi)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)作(zuo)用(yong)。四川(chuan)防水硅(gui)膠密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)工廠(chang)直(zhi)銷耐高溫硅(gui)膠密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈(quan)(quan)(quan)(quan)(quan)(quan)(quan)性能。

液(ye)壓(ya)(ya)(ya)(ya)元件殼(ke)體(ti)材(cai)料(liao)(liao)(liao)(liao)的(de)(de)(de)(de)選取對于液(ye)壓(ya)(ya)(ya)(ya)元件中很(hen)多(duo)的(de)(de)(de)(de)殼(ke)體(ti)，如(ru)液(ye)壓(ya)(ya)(ya)(ya)泵、馬達、閥的(de)(de)(de)(de)殼(ke)體(ti)和端(duan)蓋等，基(ji)本(ben)為(wei)黑色金屬鑄(zhu)(zhu)件，材(cai)料(liao)(liao)(liao)(liao)應(ying)(ying)具有(you)(you)較高(gao)(gao)的(de)(de)(de)(de)抗(kang)拉、抗(kang)壓(ya)(ya)(ya)(ya)的(de)(de)(de)(de)機械性(xing)能(neng)，有(you)(you)一定的(de)(de)(de)(de)彈性(xing)，有(you)(you)硬度(du)、有(you)(you)恢復變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)的(de)(de)(de)(de)能(neng)力，抗(kang)彎(wan)曲(qu)強(qiang)度(du)高(gao)(gao)，變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)小(xiao)。主要材(cai)料(liao)(liao)(liao)(liao)為(wei)灰口(kou)鑄(zhu)(zhu)鐵(tie)(tie)、球(qiu)墨鑄(zhu)(zhu)鐵(tie)(tie)，選用(yong)(yong)灰口(kou)鑄(zhu)(zhu)鐵(tie)(tie)材(cai)料(liao)(liao)(liao)(liao)時(shi)要考慮(lv)抗(kang)壓(ya)(ya)(ya)(ya)強(qiang)度(du)、抗(kang)彎(wan)強(qiang)度(du)、彈性(xing)，多(duo)選用(yong)(yong)HT250和HT300。球(qiu)墨鑄(zhu)(zhu)鐵(tie)(tie)主要要求(qiu)抗(kang)拉強(qiang)度(du)和延伸率，能(neng)更好(hao)地適應(ying)(ying)液(ye)壓(ya)(ya)(ya)(ya)系統的(de)(de)(de)(de)沖擊工況(kuang)，一般選取QT450-10或(huo)QT500-7。o型(xing)密(mi)(mi)(mi)封(feng)圈平面(mian)靜密(mi)(mi)(mi)封(feng)為(wei)例，滲漏(lou)產(chan)生的(de)(de)(de)(de)根源(yuan)是間(jian)(jian)(jian)隙(xi)(xi)造成的(de)(de)(de)(de)，液(ye)壓(ya)(ya)(ya)(ya)元件的(de)(de)(de)(de)殼(ke)體(ti)在(zai)高(gao)(gao)壓(ya)(ya)(ya)(ya)情(qing)況(kuang)下(xia)(xia)會(hui)產(chan)生變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)，這(zhe)個變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)會(hui)使在(zai)密(mi)(mi)(mi)封(feng)部位(wei)產(chan)生間(jian)(jian)(jian)隙(xi)(xi)，o型(xing)密(mi)(mi)(mi)封(feng)圈則(ze)通過(guo)(guo)變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)彌補而(er)進(jin)行(xing)密(mi)(mi)(mi)封(feng)，而(er)當間(jian)(jian)(jian)隙(xi)(xi)過(guo)(guo)大(da)時(shi)，就(jiu)會(hui)出現o型(xing)密(mi)(mi)(mi)封(feng)圈切(qie)邊、損(sun)壞等現象，進(jin)而(er)短期(qi)內密(mi)(mi)(mi)封(feng)失效(xiao)。這(zhe)種(zhong)高(gao)(gao)壓(ya)(ya)(ya)(ya)下(xia)(xia)的(de)(de)(de)(de)微小(xiao)變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)對密(mi)(mi)(mi)封(feng)的(de)(de)(de)(de)影響(xiang)不(bu)大(da)，如(ru)果(guo)變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)過(guo)(guo)大(da)產(chan)生了(le)可(ke)見的(de)(de)(de)(de)間(jian)(jian)(jian)隙(xi)(xi)，可(ke)以用(yong)(yong)塞尺(chi)進(jin)行(xing)測量，在(zai)液(ye)壓(ya)(ya)(ya)(ya)元件的(de)(de)(de)(de)應(ying)(ying)用(yong)(yong)中如(ru)果(guo)間(jian)(jian)(jian)隙(xi)(xi)大(da)于0.02mm，極易產(chan)生泄漏(lou)(見圖1)。在(zai)長期(qi)使用(yong)(yong)的(de)(de)(de)(de)情(qing)況(kuang)下(xia)(xia)，殼(ke)體(ti)材(cai)料(liao)(liao)(liao)(liao)如(ru)果(guo)抗(kang)彎(wan)曲(qu)強(qiang)度(du)不(bu)夠，或(huo)者彈性(xing)差，在(zai)交變(bian)(bian)(bian)(bian)的(de)(de)(de)(de)高(gao)(gao)壓(ya)(ya)(ya)(ya)下(xia)(xia)也會(hui)產(chan)生性(xing)變(bian)(bian)(bian)(bian)形(xing)(xing)(xing)，這(zhe)樣在(zai)零件結合面(mian)就(jiu)慢慢地產(chan)生間(jian)(jian)(jian)隙(xi)(xi)，間(jian)(jian)(jian)隙(xi)(xi)過(guo)(guo)大(da)后，就(jiu)會(hui)出現o型(xing)密(mi)(mi)(mi)封(feng)圈切(qie)邊、損(sun)壞等現象，進(jin)而(er)密(mi)(mi)(mi)封(feng)失效(xiao)。2)

很多(duo)(duo)人(ren)可(ke)能(neng)比較熟悉(xi)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈，但是(shi)(shi)(shi)(shi)對(dui)于密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)*非(fei)常陌生(sheng)了，這是(shi)(shi)(shi)(shi)因(yin)(yin)為(wei)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)用(yong)途(tu)比密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)圈來(lai)(lai)(lai)的(de)(de)(de)多(duo)(duo)。密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)是(shi)(shi)(shi)(shi)用(yong)來(lai)(lai)(lai)防(fang)(fang)止一些(xie)流(liu)體或者是(shi)(shi)(shi)(shi)固(gu)體微粒與相鄰的(de)(de)(de)一些(xie)接合(he)面之間會(hui)產生(sheng)一些(xie)縫隙(xi)，因(yin)(yin)此(ci)*需(xu)(xu)要密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)來(lai)(lai)(lai)進行(xing)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)，防(fang)(fang)止之間的(de)(de)(de)流(liu)體泄漏，也能(neng)防(fang)(fang)止外界的(de)(de)(de)一些(xie)雜(za)質(zhi)和灰塵(chen)不(bu)能(neng)侵入到機(ji)械設(she)備的(de)(de)(de)內(nei)部，導(dao)致機(ji)器(qi)的(de)(de)(de)一些(xie)零(ling)部件(jian)(jian)(jian)生(sheng)銹。那么密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)具體用(yong)途(tu)有哪些(xie)呢(ni)？1、按(an)作用(yong)分類(lei)(lei)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)按(an)照(zhao)作用(yong)來(lai)(lai)(lai)可(ke)以(yi)分為(wei)軸(zhou)用(yong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)、孔用(yong)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)、防(fang)(fang)塵(chen)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)、導(dao)向環、固(gu)定密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)、回轉密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)。這幾種密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)通(tong)常會(hui)應(ying)用(yong)到化(hua)工、石油等(deng)行(xing)業里面。因(yin)(yin)此(ci)對(dui)于它的(de)(de)(de)品質(zhi)選擇，很多(duo)(duo)企業都(dou)非(fei)常重(zhong)要。2、按(an)材(cai)(cai)料(liao)分類(lei)(lei)另外，密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)還可(ke)以(yi)按(an)照(zhao)材(cai)(cai)料(liao)來(lai)(lai)(lai)進行(xing)分類(lei)(lei)，通(tong)常密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)材(cai)(cai)料(liao)都(dou)會(hui)使用(yong)丁腈膠(jiao)、三元(yuan)乙丙(bing)橡膠(jiao)、氟橡膠(jiao)、硅(gui)膠(jiao)、氟硅(gui)橡膠(jiao)、尼龍(long)、聚氨酯、工程塑料(liao)等(deng)。其(qi)中橡膠(jiao)的(de)(de)(de)材(cai)(cai)料(liao)是(shi)(shi)(shi)(shi)使用(yong)*多(duo)(duo)的(de)(de)(de)，因(yin)(yin)此(ci)橡膠(jiao)的(de)(de)(de)性(xing)能(neng)是(shi)(shi)(shi)(shi)所有材(cai)(cai)料(liao)中*穩定的(de)(de)(de)。以(yi)上是(shi)(shi)(shi)(shi)對(dui)于密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)用(yong)途(tu)進行(xing)分類(lei)(lei)的(de)(de)(de)介紹，密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)被應(ying)用(yong)到化(hua)工領域，其(qi)**性(xing)能(neng)可(ke)想而知(zhi)。但是(shi)(shi)(shi)(shi)大(da)家也需(xu)(xu)要注意密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)保(bao)存(cun)也是(shi)(shi)(shi)(shi)非(fei)常重(zhong)要的(de)(de)(de)，通(tong)常密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)的(de)(de)(de)保(bao)存(cun)條件(jian)(jian)(jian)是(shi)(shi)(shi)(shi)需(xu)(xu)要在30度以(yi)下，高溫會(hui)讓(rang)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)發生(sheng)老(lao)化(hua)，因(yin)(yin)此(ci)在夏季的(de)(de)(de)時(shi)候(hou)，大(da)家*好保(bao)持室內(nei)的(de)(de)(de)溫度在30度以(yi)下，這樣才不(bu)會(hui)讓(rang)密(mi)(mi)(mi)(mi)(mi)封(feng)(feng)(feng)(feng)(feng)(feng)件(jian)(jian)(jian)發生(sheng)質(zhi)變。

硅(gui)膠(jiao)防(fang)水(shui)密(mi)封(feng)圈(quan)(quan)因其良(liang)好的(de)(de)(de)防(fang)水(shui)性(xing)(xing)能(neng)(neng)而(er)著(zhu)稱，但(dan)耐(nai)(nai)(nai)(nai)水(shui)蒸氣不(bu)佳，壓力(li)超過50帕(pa)以上不(bu)建議使用。與大(da)多數的(de)(de)(de)油(you)、化學物和(he)溶劑(ji)兼容。一般(ban)硅(gui)橡膠(jiao)耐(nai)(nai)(nai)(nai)酸(suan)堿性(xing)(xing)佳，耐(nai)(nai)(nai)(nai)極性(xing)(xing)溶劑(ji)尚可，不(bu)耐(nai)(nai)(nai)(nai)烷氫和(he)芳香族油(you)品(pin)(pin)。不(bu)建議使用于(yu)大(da)部(bu)分濃(nong)縮(suo)的(de)(de)(de)溶劑(ji)、濃(nong)酸(suan)、油(you)品(pin)(pin)、及稀釋后的(de)(de)(de)火(huo)堿溶液中。特種(zhong)硅(gui)橡膠(jiao)還具有耐(nai)(nai)(nai)(nai)輻(fu)射、耐(nai)(nai)(nai)(nai)燃、耐(nai)(nai)(nai)(nai)油(you)等(deng)性(xing)(xing)能(neng)(neng)。它的(de)(de)(de)拉伸強度低，抗磨損能(neng)(neng)力(li)弱，一般(ban)不(bu)用于(yu)動(dong)密(mi)封(feng)。硅(gui)膠(jiao)防(fang)水(shui)密(mi)封(feng)圈(quan)(quan)一種(zhong)新型(xing)密(mi)封(feng)環(huan)保產品(pin)(pin)，引進發達國(guo)家同行業的(de)(de)(de)先(xian)進技術和(he)硅(gui)膠(jiao)為原材料，先(xian)進硫化工藝制造而(er)成的(de)(de)(de)硅(gui)膠(jiao)防(fang)水(shui)密(mi)封(feng)圈(quan)(quan)，品(pin)(pin)質優良(liang)，性(xing)(xing)能(neng)(neng)穩定，深受國(guo)內業界用戶的(de)(de)(de)喜愛。德隆興業防(fang)水(shui)密(mi)封(feng)圈(quan)(quan)、保鮮盒密(mi)封(feng)圈(quan)(quan)、水(shui)杯防(fang)水(shui)密(mi)封(feng)圈(quan)(quan)等(deng)產品(pin)(pin)是典型(xing)的(de)(de)(de)此類產品(pin)(pin)，設計使密(mi)封(feng)圈(quan)(quan)緊貼內槽(cao)，密(mi)封(feng)好，有效(xiao)的(de)(de)(de)起到防(fang)止(zhi)漏水(shui)、進塵、進空氣等(deng)作用。密(mi)封(feng)圈(quan)(quan)廠(chang)家細數硅(gui)膠(jiao)和(he)橡膠(jiao)的(de)(de)(de)區(qu)別是什么?四川燈具硅(gui)膠(jiao)密(mi)封(feng)圈(quan)(quan)批發廠(chang)家

了解(jie)硅(gui)膠(jiao)密封圈的老化壽命(ming)到底有多大。廣東進口硅(gui)膠(jiao)密封圈批發

硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)o型(xing)密(mi)(mi)封圈(quan)的(de)(de)(de)(de)(de)優點有(you)(you)(you)哪些(xie)？硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)o型(xing)密(mi)(mi)封圈(quan)擁有(you)(you)(you)良好(hao)的(de)(de)(de)(de)(de)收縮(suo)變(bian)形(xing)(xing)功能(neng)，對于中(zhong)性(xing)(xing)溶劑(ji)也比硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)鍵(jian)具有(you)(you)(you)更好(hao)的(de)(de)(de)(de)(de)抗(kang)抗(kang)性(xing)(xing)，耐低(di)溫機(ji)能(neng)在(zai)(zai)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)方面(mian)(mian)體現得淋(lin)漓盡致，O型(xing)密(mi)(mi)封圈(quan)選(xuan)用要盡量選(xuan)用大截面(mian)(mian)的(de)(de)(de)(de)(de)O圈(quan).在(zai)(zai)相同間隙的(de)(de)(de)(de)(de)情況下(xia).O型(xing)密(mi)(mi)封圈(quan)被擠入間隙的(de)(de)(de)(de)(de)體積應當小于其被擠入的(de)(de)(de)(de)(de)最大允許值。硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)o型(xing)密(mi)(mi)封圈(quan)的(de)(de)(de)(de)(de)缺點？硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)品(pin)(pin)(pin)個別不倡導利用在(zai)(zai)某些(xie)環(huan)境之中(zhong)液態硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，比方厚縮(suo)酸及經稀(xi)釋后的(de)(de)(de)(de)(de)氫(qing)氧化納，大局部厚縮(suo)的(de)(de)(de)(de)(de)溶劑(ji)，油品(pin)(pin)(pin)，O型(xing)圈(quan)種圓(yuan)環(huan)形(xing)(xing)狀(zhuang)的(de)(de)(de)(de)(de)機(ji)械(xie)墊片，它是環(huan)狀(zhuang)的(de)(de)(de)(de)(de)彈性(xing)(xing)體，斷面(mian)(mian)為圓(yuan)形(xing)(xing)，一(yi)(yi)般會固(gu)定在(zai)(zai)一(yi)(yi)凹槽中(zhong)，組裝硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)品(pin)(pin)(pin)工廠過程中(zhong)會被兩個或兩個以(yi)上的(de)(de)(de)(de)(de)組件壓縮(suo)，因(yin)此產生(sheng)密(mi)(mi)封的(de)(de)(de)(de)(de)接(jie)口(kou)。有(you)(you)(you)哪些(xie)方法(fa)可以(yi)辨別硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)o型(xing)密(mi)(mi)封圈(quan)的(de)(de)(de)(de)(de)好(hao)壞呢？1，真的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)品(pin)(pin)(pin)假(jia)如表(biao)層(ceng)沒有(you)(you)(you)特殊處理的(de)(de)(de)(de)(de)話手摸起來會感(gan)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)按鍵(jian)廠家(jia)到比較光滑，因(yin)為表(biao)面(mian)(mian)層(ceng)會存(cun)在(zai)(zai)一(yi)(yi)層(ceng)油脂(zhi)狀(zhuang)物質。2，假(jia)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)帶容易(yi)變(bian)形(xing)(xing)，而真的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)會感(gan)覺回(hui)彈很好(hao)，扯拉久(jiu)變(bian)形(xing)(xing)比較小，你把硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)割下(xia)一(yi)(yi)點點用火(huo)(huo)燒(shao)下(xia)密(mi)(mi)封件，如果(guo)不會著明火(huo)(huo)只冒白煙和(he)火(huo)(huo)星而且(qie)燒(shao)完的(de)(de)(de)(de)(de)呈白色的(de)(de)(de)(de)(de)粉未就是硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao).有(you)(you)(you)異(yi)味(wei)的(de)(de)(de)(de)(de)也可能(neng)是硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)，只是他們用的(de)(de)(de)(de)(de)硫(liu)化劑(ji)有(you)(you)(you)上問題。3，硅(gui)(gui)(gui)橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)表(biao)面(mian)(mian)容易(yi)粘灰塵，橡(xiang)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)制(zhi)品(pin)(pin)(pin)毛發等(deng)比較輕(qing)的(de)(de)(de)(de)(de)雜質。4，好(hao)的(de)(de)(de)(de)(de)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)無異(yi)味(wei)，遇(yu)熱不軟化不變(bian)色。5，取一(yi)(yi)段密(mi)(mi)封圈(quan)用火(huo)(huo)燒(shao)。廣東(dong)進口(kou)硅(gui)(gui)(gui)膠(jiao)(jiao)(jiao)(jiao)(jiao)(jiao)密(mi)(mi)封圈(quan)批發

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