機動(dong)(dong)車(che)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)俗稱剎車(che)油，用于汽車(che)液(ye)(ye)壓制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)或離合器系統中，主要(yao)作用是(shi)傳遞(di)能(neng)量(liang)、散(san)熱(re)、防腐防銹(xiu)及潤滑(hua)。平(ping)(ping)衡回(hui)流(liu)(liu)(liu)沸點(dian)是(shi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)在(zai)規定(ding)的(de)(de)試驗條件下，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)的(de)(de)各種原料組分(fen)沸點(dian)的(de)(de)高低。平(ping)(ping)衡回(hui)流(liu)(liu)(liu)沸點(dian)越(yue)低的(de)(de)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)越(yue)容(rong)易在(zai)管路中形(xing)成(cheng)氣泡，會(hui)造成(cheng)剎車(che)失靈等問題。濕(shi)平(ping)(ping)衡回(hui)流(liu)(liu)(liu)沸點(dian)是(shi)衡量(liang)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)吸收一(yi)定(ding)水分(fen)情況下的(de)(de)耐高溫(wen)性能(neng)指標。濕(shi)平(ping)(ping)衡回(hui)流(liu)(liu)(liu)沸點(dian)越(yue)高，在(zai)使用過(guo)程中的(de)(de)耐高溫(wen)性能(neng)越(yue)好。蒸(zheng)發(fa)性能(neng)是(shi)控制(zhi)(zhi)(zhi)(zhi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)在(zai)一(yi)定(ding)溫(wen)度條件下蒸(zheng)發(fa)損失大小(xiao)的(de)(de)指標。蒸(zheng)發(fa)性能(neng)不合格，在(zai)車(che)輛制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)產生高溫(wen)的(de)(de)時候會(hui)造成(cheng)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)大量(liang)蒸(zheng)發(fa)，導致制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)失靈；嚴重的(de)(de)甚至會(hui)導致制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)全部蒸(zheng)發(fa)而無法制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)。制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)的(de)(de)密度和化學(xue)成(cheng)分(fen)是(shi)影響其性能(neng)和品質的(de)(de)關鍵因素，需(xu)要(yao)得到車(che)主和駕駛(shi)者的(de)(de)高度關注(zhu)和重視。安徽(hui)dot4制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)(ye)作用

.用于(yu)測(ce)(ce)試沸點的(de)(de)制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)安全(quan)檢測(ce)(ce)儀(yi)：通過(guo)測(ce)(ce)試沸點來判(pan)定制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)的(de)(de)性(xing)能，過(guo)去只(zhi)能在實(shi)驗室(shi)通過(guo)特定的(de)(de)設備才能做得到(dao)。制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)安全(quan)測(ce)(ce)試儀(yi)顯(xian)示(shi)的(de)(de)沸點讀數和(he)(he)規格(ge)是(shi)非常清晰和(he)(he)準(zhun)確的(de)(de)，可以(yi)(yi)(yi)一目了然地知道(dao)被(bei)(bei)測(ce)(ce)試的(de)(de)制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)是(shi)否(fou)符(fu)合標(biao)準(zhun)。制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)安全(quan)檢測(ce)(ce)儀(yi)的(de)(de)使用方法并(bing)(bing)不復(fu)雜，只(zhi)要將探(tan)頭插(cha)入(ru)制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)儲(chu)(chu)液(ye)(ye)罐中(zhong)，接上電(dian)(dian)源并(bing)(bing)按(an)下開關，制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)就會被(bei)(bei)加熱到(dao)沸點，此時溫(wen)度(du)就會被(bei)(bei)精確的(de)(de)電(dian)(dian)子溫(wen)度(du)計記錄下來，并(bing)(bing)顯(xian)示(shi)在屏幕上。維(wei)修人員可以(yi)(yi)(yi)快速方便(bian)地判(pan)定制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)是(shi)不是(shi)需(xu)要更換(huan)，或者是(shi)否(fou)在汽車(che)(che)(che)制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)造商規定制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)測(ce)(ce)試標(biao)準(zhun)范圍內。測(ce)(ce)試數據可以(yi)(yi)(yi)儲(chu)(chu)存并(bing)(bing)能繼續保留在顯(xian)示(shi)屏上，以(yi)(yi)(yi)便(bian)展示(shi)給(gei)車(che)(che)(che)主看。鄭州合成型制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)訂購制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)的(de)(de)選(xuan)擇和(he)(he)更換(huan)需(xu)要根據車(che)(che)(che)輛和(he)(he)使用環境的(de)(de)實(shi)際(ji)情(qing)況進(jin)行綜合考慮，以(yi)(yi)(yi)滿足車(che)(che)(che)輛制(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)性(xing)能和(he)(he)安全(quan)要求。

隨(sui)著使用(yong)時間變(bian)長，耐壓(ya)性(xing)也會(hui)隨(sui)之有衰(shuai)減，直(zhi)接影響(xiang)汽車(che)響(xiang)應速(su)度。防腐(fu)和潤滑(hua)性(xing)：潤滑(hua)及(ji)保護(hu)制(zhi)(zhi)動(dong)系統(tong)部件，驅動(dong)并能有效(xiao)的(de)潤滑(hua)和保護(hu)制(zhi)(zhi)動(dong)系統(tong)內各部件。抗(kang)腐(fu)蝕(shi)氧化的(de)制(zhi)(zhi)動(dong)液(ye)可(ke)以(yi)對制(zhi)(zhi)動(dong)系統(tong)元件提供保護(hu)，無論(lun)是(shi)橡膠件還(huan)是(shi)金屬件，均可(ke)保持充分的(de)完整性(xing)，防止(zhi)因腐(fu)蝕(shi)而(er)造成(cheng)制(zhi)(zhi)動(dong)液(ye)滲(shen)漏。制(zhi)(zhi)動(dong)液(ye)的(de)顏色：因各品牌(pai)基礎油的(de)添加劑(ji)不(bu)同(tong)，制(zhi)(zhi)動(dong)液(ye)會(hui)呈現不(bu)同(tong)顏色。不(bu)同(tong)品牌(pai)和級(ji)(ji)別(bie)(bie)的(de)制(zhi)(zhi)動(dong)液(ye)可(ke)以(yi)混用(yong)嗎(ma)？答：混用(yong)的(de)情(qing)況(kuang)是(shi)添加補液(ye)時，少量添加不(bu)會(hui)有影響(xiang)，如果用(yong)量較(jiao)大建議全(quan)部更換。問:制(zhi)(zhi)動(dong)液(ye)級(ji)(ji)別(bie)(bie)怎么分？有何(he)區別(bie)(bie)？答：一般分為DOT3、DOT4、DOT5幾(ji)個級(ji)(ji)別(bie)(bie)，就是(shi)分點和低溫(wen)粘(zhan)度等幾(ji)個指標(biao)的(de)區別(bie)(bie)。DOT4級(ji)(ji)別(bie)(bie)已經能滿(man)足市場上99%以(yi)上的(de)車(che)型，特別(bie)(bie)優(you)越車(che)或(huo)賽(sai)車(che)則需(xu)要DOT4以(yi)上的(de)剎制(zhi)(zhi)動(dong)液(ye)。

對各(ge)種橡(xiang)(xiang)膠不(bu)腐蝕。優越(yue)制(zhi)(zhi)動(dong)(dong)液(ye)(ye)使(shi)用后(hou)極少(shao)發生(sheng)(sheng)皮(pi)碗嚴重膨脹變(bian)形現(xian)象。若使(shi)用劣質(zhi)制(zhi)(zhi)動(dong)(dong)液(ye)(ye)，皮(pi)碗容易膨脹變(bian)形，導致車(che)輛漏油、剎(cha)車(che)時(shi)翻轉，造(zao)成事故。標準制(zhi)(zhi)動(dong)(dong)液(ye)(ye)膨脹率一般在(zai)0.1%-5%之內。長(chang)期(qi)使(shi)用無沉淀(dian)(dian)物。制(zhi)(zhi)動(dong)(dong)液(ye)(ye)長(chang)期(qi)在(zai)高溫狀態下使(shi)用，質(zhi)量不(bu)穩定(ding)就會產生(sheng)(sheng)熱(re)分(fen)解，產生(sheng)(sheng)沉淀(dian)(dian)物，同樣(yang)影響剎(cha)車(che)性能。當不(bu)同種類(lei)制(zhi)(zhi)動(dong)(dong)液(ye)(ye)混在(zai)一起時(shi)，會造(zao)成制(zhi)(zhi)動(dong)(dong)液(ye)(ye)沸(fei)點降低，與(yu)劣質(zhi)制(zhi)(zhi)動(dong)(dong)液(ye)(ye)混合尤其明(ming)顯(xian)。在(zai)低溫時(shi)剎(cha)車(che)明(ming)顯(xian)失效(xiao)，制(zhi)(zhi)動(dong)(dong)液(ye)(ye)凝(ning)固(gu)了(le)，并且(qie)腐蝕剎(cha)車(che)油泵及橡(xiang)(xiang)膠件，使(shi)制(zhi)(zhi)動(dong)(dong)皮(pi)碗老化變(bian)質(zhi)、回油閥密封不(bu)嚴、制(zhi)(zhi)動(dong)(dong)總泵或水泵活塞與(yu)缸壁磨損，造(zao)成間隙過(guo)大。這破壞了(le)優越(yue)制(zhi)(zhi)動(dong)(dong)液(ye)(ye)的各(ge)種優良性能，易產生(sheng)(sheng)行車(che)危險。制(zhi)(zhi)動(dong)(dong)液(ye)(ye)的類(lei)型和品質(zhi)不(bu)同，適用于不(bu)同的車(che)輛和使(shi)用環境，需(xu)要非常謹慎地選擇和使(shi)用。

據制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)國(guo)(guo)家(jia)標準起草人之一的(de)(de)研究員介紹，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)其(qi)質(zhi)量優劣直(zhi)接關系到(dao)車(che)(che)輛行駛的(de)(de)安(an)全性。2005年(nian)我(wo)國(guo)(guo)有近(jin)10萬(wan)(wan)人不(bu)幸喪生于各類交通事故，其(qi)中車(che)(che)輛制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)不(bu)靈、剎車(che)(che)失效是其(qi)重(zhong)要因素之一。正因為如此，世界各國(guo)(guo)歷來(lai)(lai)十分重(zhong)視對制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)的(de)(de)監管(guan)，西方發達國(guo)(guo)家(jia)更是將其(qi)納入(ru)道(dao)路安(an)全法規范疇予以(yi)控(kong)制(zhi)(zhi)(zhi)(zhi)。在我(wo)國(guo)(guo)，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)則實行國(guo)(guo)家(jia)工業產品生產許可證(zheng)管(guan)理。然而(er)西方國(guo)(guo)家(jia)對DOT標準制(zhi)(zhi)(zhi)(zhi)定很苛刻(ke)，并非(fei)簡(jian)單調配就能達到(dao)的(de)(de)。國(guo)(guo)內(nei)市場上(shang)很多低價劣質(zhi)制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)都標明符(fu)合(he)DOT3標準，其(qi)實產品質(zhi)量并不(bu)合(he)格。制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)具有吸(xi)水特(te)性，長時間不(bu)更換會腐(fu)蝕制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)系統，給行車(che)(che)帶來(lai)(lai)隱患。他建議車(che)(che)主，制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)一般兩年(nian)或者(zhe)4萬(wan)(wan)公(gong)里必須強(qiang)制(zhi)(zhi)(zhi)(zhi)性更換一次。制(zhi)(zhi)(zhi)(zhi)動(dong)(dong)液(ye)的(de)(de)使用壽命通常(chang)是根據車(che)(che)輛制(zhi)(zhi)(zhi)(zhi)造商(shang)的(de)(de)建議和要求來(lai)(lai)確定的(de)(de)。四川剎車(che)(che)油(you)費(fei)用

制(zhi)動液(ye)的種(zhong)類和(he)性能，需要根據使用環境和(he)氣候變(bian)化(hua)的不同而進行相應的調整和(he)更(geng)換。安徽(hui)dot4制(zhi)動液(ye)作用

制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)性能要(yao)求：1、較(jiao)(jiao)(jiao)高的沸(fei)(fei)點(dian)(dian)(dian)：汽(qi)(qi)車(che)(che)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)過(guo)程(cheng)中，制(zhi)(zhi)(zhi)動(dong)(dong)(dong)鼓（盤）因摩(mo)擦產(chan)生大(da)(da)量熱量，使制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)溫度(du)(du)(du)不斷升高。如果(guo)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)沸(fei)(fei)點(dian)(dian)(dian)較(jiao)(jiao)(jiao)低，當油溫達到(dao)沸(fei)(fei)點(dian)(dian)(dian)時，制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)管路中就會產(chan)生蒸汽(qi)(qi)，從而導致(zhi)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)失(shi)效(xiao)，這種(zhong)現象(xiang)稱(cheng)為氣阻。因此制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)必(bi)須有較(jiao)(jiao)(jiao)高的沸(fei)(fei)點(dian)(dian)(dian)。2、吸(xi)濕(shi)后沸(fei)(fei)點(dian)(dian)(dian)降(jiang)(jiang)低較(jiao)(jiao)(jiao)小(xiao)：制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)都(dou)有較(jiao)(jiao)(jiao)強的吸(xi)水性，吸(xi)水后平(ping)衡回流(liu)(liu)沸(fei)(fei)點(dian)(dian)(dian)會大(da)(da)幅降(jiang)(jiang)低，要(yao)求制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)吸(xi)水后平(ping)衡回流(liu)(liu)沸(fei)(fei)點(dian)(dian)(dian)要(yao)達到(dao)相應溫度(du)(du)(du)，即水含量為3.7%時的平(ping)衡回流(liu)(liu)沸(fei)(fei)點(dian)(dian)(dian)。良好的低溫流(liu)(liu)動(dong)(dong)(dong)性:寒冷的冬天(tian)，如果(guo)制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)出現凝固、結晶或粘度(du)(du)(du)過(guo)大(da)(da)，都(dou)可(ke)能造成車(che)(che)輛制(zhi)(zhi)(zhi)動(dong)(dong)(dong)不靈(ling)敏甚至失(shi)效(xiao)。因此，制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)標準規定在-40℃的情況下，不能出現結晶、分層等現象(xiang)，并且粘度(du)(du)(du)不能過(guo)大(da)(da)。安(an)徽dot4制(zhi)(zhi)(zhi)動(dong)(dong)(dong)液(ye)(ye)(ye)作(zuo)用

浙(zhe)江(jiang)浙(zhe)大(da)方圓化工有限(xian)公司(si)是一家有著先進的(de)(de)(de)(de)發展理念(nian)，先進的(de)(de)(de)(de)管理經驗，在(zai)(zai)發展過程中(zhong)不斷完善自(zi)(zi)己，要求自(zi)(zi)己，不斷創(chuang)(chuang)(chuang)新(xin)，時刻準(zhun)備(bei)著迎接更(geng)多(duo)(duo)挑戰(zhan)的(de)(de)(de)(de)活力(li)公司(si)，在(zai)(zai)浙(zhe)江(jiang)省(sheng)等地區的(de)(de)(de)(de)化工中(zhong)匯聚了大(da)量的(de)(de)(de)(de)人脈以(yi)及**，在(zai)(zai)業(ye)界也收獲(huo)了很多(duo)(duo)良(liang)好(hao)的(de)(de)(de)(de)評(ping)價，這(zhe)些(xie)都源自(zi)(zi)于(yu)自(zi)(zi)身的(de)(de)(de)(de)努力(li)和大(da)家共(gong)同進步的(de)(de)(de)(de)結(jie)果(guo)，這(zhe)些(xie)評(ping)價對我(wo)們(men)而言是比(bi)較好(hao)的(de)(de)(de)(de)前進動力(li)，也促使我(wo)們(men)在(zai)(zai)以(yi)后的(de)(de)(de)(de)道路(lu)上保(bao)持奮發圖強(qiang)、一往無前的(de)(de)(de)(de)進取創(chuang)(chuang)(chuang)新(xin)精(jing)神，努力(li)把公司(si)發展戰(zhan)略推向(xiang)一個新(xin)高度，在(zai)(zai)全(quan)體員工共(gong)同努力(li)之下(xia)，全(quan)力(li)拼搏將共(gong)同浙(zhe)江(jiang)浙(zhe)大(da)方圓化工供應和您一起攜手走向(xiang)更(geng)好(hao)的(de)(de)(de)(de)未來，創(chuang)(chuang)(chuang)造更(geng)有價值(zhi)的(de)(de)(de)(de)產品，我(wo)們(men)將以(yi)更(geng)好(hao)的(de)(de)(de)(de)狀態(tai)，更(geng)認真的(de)(de)(de)(de)態(tai)度，更(geng)飽滿(man)的(de)(de)(de)(de)精(jing)力(li)去(qu)(qu)創(chuang)(chuang)(chuang)造，去(qu)(qu)拼搏，去(qu)(qu)努力(li)，讓我(wo)們(men)一起更(geng)好(hao)更(geng)快的(de)(de)(de)(de)成(cheng)長！

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