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id="ercn3m3" class="leftbox clearfix"><h1>全新Prescott質(zhì)量保證服務(wù)至上上海君宜化工供應(yīng)</h1><div id="dkfqwcx" class="proBig"><div id="8b78acd" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/junyi/637211861295898438/9461773.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="asd87dg" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/junyi/637211861295898438/9461773.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="nv8mghx" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>全新Prescott質(zhì)量保證,Prescott</p><p><span>***更新：</span>2020-06-16 02:17:07</p><p><span id="click" >瀏覽次數(shù)：33次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="lte99oe" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海君宜化工銷售中心（有限合伙）</a></p><p><span>聯(lián)系人：</span>蘇剛</p><p><span>郵箱: </span>sg@estrongchem.com</p><p><span>電話: </span>13524989551</p><p><span>傳真: </span>021_60823996 </p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>021-60826029</p><p><span>地址: </span>上海市浦東新區(qū)五星路676弄萬(wàn)科御河10棟</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="litwqgm" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ckvt8ju" class="box"><p><p> （硫化條件簡(jiǎn)介） </p> <p> 影響硫化過程的主要因素是硫磺用量、硫化溫度及硫化時(shí)間。①硫磺用量。其用量越大，硫化速度越快，全新Prescott質(zhì)量保證，可以達(dá)到的硫化程度也越高。硫磺在橡膠中的溶解度是有限的，過量的硫磺會(huì)由膠料表面析出，俗稱“噴硫”。為了減少噴硫現(xiàn)象，要求在盡可能低的溫度下，或者至少在硫磺的熔點(diǎn)以下加硫。根據(jù)橡膠制品的使用要求，硫磺在軟質(zhì)橡膠中的用量一般不超過3%，在半硬質(zhì)膠中用量一般為20%左右，在硬質(zhì)膠中的用量可高達(dá)40%以上。②硫化溫度，全新Prescott質(zhì)量保證。若溫度高10℃，硫化時(shí)間約縮短一半。由于橡膠是不良導(dǎo)熱體，制品的硫化進(jìn)程由于其各部位溫度的差異而不同。為了保證比較均勻的硫化程度，厚橡膠制品一般采用逐步升溫、低溫長(zhǎng)時(shí)間硫化。③硫化時(shí)間。這是硫化工藝的重要環(huán)節(jié)。時(shí)間過短，硫化程度不足（亦稱欠硫）。時(shí)間過長(zhǎng)，硫化程度過高（俗稱過硫），全新Prescott質(zhì)量保證。只有適宜的硫化程度(俗稱正硫化)，才能保證比較好的綜合性能。 51、門尼粘度計(jì)的基本結(jié)構(gòu)就是模腔和轉(zhuǎn)子.全新Prescott質(zhì)量保證</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全新Prescott質(zhì)量保證,Prescott" src="https://tyunfile.71360.com/WaterMark/UploadFile/junyi/637211861295898438/9461773.png"></div><p> 充氣的設(shè)置： </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 加壓的時(shí)機(jī)：對(duì)應(yīng)著抽空時(shí)間，因?yàn)閷?duì)于自動(dòng)運(yùn)行的層壓機(jī)來說抽真空后馬上對(duì)應(yīng)著上充氣，所以抽空時(shí)間對(duì)應(yīng)著加壓時(shí)機(jī)。加壓過早，EVA流動(dòng)性還很好，容易使電池片位移，加壓過晚，交聯(lián)度已經(jīng)很高，對(duì)于EVA的增大密度作用不大。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 加壓的大?。簤毫Φ拇笮?duì)應(yīng)著充氣時(shí)間的長(zhǎng)短，充氣時(shí)間越長(zhǎng)，壓力越大，可能導(dǎo)致電池片被壓碎，也容易導(dǎo)致EVA流動(dòng)，造成太陽(yáng)電池位移。壓力太小，對(duì)去除殘存的氣泡作用不大，EVA與TPT、EVA與玻璃之間的粘合力比較小。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> 層壓時(shí)間：層壓時(shí)間主要關(guān)系到EVA***的交聯(lián)度。交聯(lián)度的測(cè)定由專門的方法，但是在設(shè)置層壓時(shí)間時(shí)可以參考Tc90. </p> <p> <br /> EVA交聯(lián)度測(cè)試 Prescott客戶至上10、焦燒工夫的使用可防止死膠的景遇發(fā)作，也可評(píng)議配方之可操作性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全新Prescott質(zhì)量保證,Prescott" src="https://tyunfile.71360.com/WaterMark/UploadFile/junyi/637211861295878907/2122548.png"></div><p> （硫化儀的儀器校準(zhǔn)簡(jiǎn)介2） </p> <p> 振幅、擺角校準(zhǔn)： </p> <p> 1）用校準(zhǔn)圓盤和百分表等校準(zhǔn)，校準(zhǔn)圓盤的鋼絲繩經(jīng)滑輪后下掛砝碼，砝碼下接觸百分表表頭，圓盤擺動(dòng)帶動(dòng)砝碼運(yùn)動(dòng)，百分表顯示行程，計(jì)算出振幅。 </p> <p> 2）用擺角和百分表校準(zhǔn),在上下模中心軸線上裝一中心軸，軸上裝一與軸垂直的擺桿，模體帶動(dòng)擺桿儀器擺動(dòng)，擺桿撥動(dòng)百分表，從百分表讀數(shù)計(jì)算振幅。此法*適用較小振幅。 </p> <p> 溫度校準(zhǔn)： </p> <p> 以硫化儀上、下模模腔壁作為上、下模的測(cè)溫區(qū)，用測(cè)量模型進(jìn)行測(cè)量。此法能清楚的區(qū)分上、下模溫度，測(cè)試溫度精確、穩(wěn)定、重復(fù)性好。在操作過程中應(yīng)注意測(cè)溫模型上、下部的導(dǎo)熱金屬表面與上、下模的模腔表面良好接觸，模體**需適當(dāng)保溫，確保溫度穩(wěn)定后才讀數(shù)。 </p><p> （門尼粘度計(jì)參數(shù)簡(jiǎn)介） </p> <p> 門尼粘度反映橡膠加工性能的好壞和分子量高低及分布范圍寬窄。門尼粘度高膠料不易混煉均勻及擠出加工，其分子量高、分布范圍寬。門尼粘度低膠料易粘輥，其分子量低、分布范圍窄。門尼粘度過低則硫化后制品抗拉強(qiáng)度低。門尼粘度-時(shí)間曲線還能看出膠料硫化工藝性能。按照GB 1232標(biāo)準(zhǔn)規(guī)定，轉(zhuǎn)動(dòng)(門尼)粘度以符號(hào)Z100℃ 1+4 表示。其中Z——轉(zhuǎn)動(dòng)粘度值；1——預(yù)熱時(shí)間為1min；4——轉(zhuǎn)動(dòng)時(shí)間為4min；100℃——試驗(yàn)溫度為100℃。在我國(guó)通常以ML100℃1+4或MS100℃1+4來表示。其中M表示門尼，L表示用大轉(zhuǎn)子，S表示用小轉(zhuǎn)子。1表示預(yù)熱1分鐘，4表示試驗(yàn)4分鐘。門尼數(shù)值越大，表示粘度越大，其可塑性越低。***用來作為控制橡膠膠料工藝性能的一項(xiàng)指標(biāo)。 13、流變儀可供應(yīng)混煉平均圖及膠料混平均變異度，來檢測(cè)膠料及化學(xué)藥品能否混煉平均.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="全新Prescott質(zhì)量保證,Prescott" src="https://tyunfile.71360.com/WaterMark/UploadFile/junyi/637211861264873047/4724215.png"></div><p> （硫化基本數(shù)據(jù)簡(jiǎn)介） </p> <p> **小力矩ML：此是一條硫化曲線上的比較低點(diǎn)的扭矩值。反映膠料在硫化溫度下的粘度，**小力矩與膠料可塑性有良好的相關(guān)性，與可塑性是負(fù)相關(guān)，即**小力矩小，則可塑性大。 </p> <p> 比較大力矩MH：此是一條硫化曲線上的比較高點(diǎn)的扭矩值。一般用來做初步物性觀察，顯示了膠料的物理特性，即比較大力矩與膠料硬度及定伸有良好的相關(guān)性，比較大力矩越大，則膠料的硬度和定伸越高。 </p> <p> 焦燒時(shí)間Ts（Time of Scorch）：這個(gè)時(shí)間通常稱為加工安全時(shí)間，也就是超過此時(shí)間橡膠已架橋失去了流動(dòng)性，這是衡量模內(nèi)流動(dòng)時(shí)間的尺度。國(guó)際標(biāo)準(zhǔn)采用Ts1作為焦燒點(diǎn)。Ts1=（ML+0.1NM） </p> <p> 焦燒點(diǎn)Ms：此是在某一個(gè)焦燒點(diǎn)，該點(diǎn)當(dāng)時(shí)的扭矩值，如Ms1指在Ts1時(shí)對(duì)應(yīng)的扭矩值 </p> <p> 硫化速率：它是反映硫化反應(yīng)進(jìn)行快慢的一個(gè)參數(shù)，膠料的硫化速率與配方中的促進(jìn)劑品種及用量有關(guān)。 15、膠料硫化過程是一個(gè)在一定溫度和壓力作用下受力的過程。轉(zhuǎn)子硫化儀原裝進(jìn)口Prescott</p><p style="text-indent:25px">49、用門尼粘度測(cè)試儀測(cè)出來的相對(duì)值。是控制穩(wěn)定性的一個(gè)手段.全新Prescott質(zhì)量保證</p><p> （門尼在橡膠行業(yè)的應(yīng)用） </p> <p> 隨著輪胎工業(yè)的不斷發(fā)展，組成膠用量的擴(kuò)展，補(bǔ)強(qiáng)炭黑用量的加大都給膠料的加工帶來不方便，炭黑分散不均，膠料門尼粘度大，設(shè)備能耗大，壓出溫度高，半成品氣孔多。而門尼粘度(Mooney viscosity)又稱滾動(dòng)(門尼) 粘度，是用門尼粘度試驗(yàn)機(jī)測(cè)定的數(shù)值，基本上能夠反映組成橡膠的聚合度與分子量。 </p> <p> 門尼粘度試驗(yàn)機(jī)一直是對(duì)生膠和混煉膠進(jìn)行表征的*有zui常用的實(shí)驗(yàn)，據(jù)有關(guān)數(shù)據(jù)計(jì)算表明，門尼粘度與生膠的平均分子量有著直接關(guān)系。用門尼粘度實(shí)驗(yàn)機(jī)測(cè)出的相對(duì)數(shù)據(jù)是操控安穩(wěn)性的一個(gè)手法，只需曲線走向，轉(zhuǎn)矩改變不多，那么膠料的安穩(wěn)性就能確保。蘇州力高門尼粘度儀用于測(cè)定未合作的或已合作的未硫化天然橡膠，組成橡膠及再生橡膠的粘度。該設(shè)備具有升溫快，溫度及數(shù)據(jù)安穩(wěn)性好的特性。具有主動(dòng)校準(zhǔn)設(shè)備，每次實(shí)驗(yàn)主動(dòng)進(jìn)行數(shù)據(jù)校準(zhǔn)。全新Prescott質(zhì)量保證</p><p style="text-indent:25px">上海君宜化工銷售中心（有限合伙）坐落上海市浦東新區(qū)五星路676弄萬(wàn)科御河10棟，交通便利，環(huán)境優(yōu)美，是一家貿(mào)易型企業(yè)。是一家有限責(zé)任公司企業(yè)，隨著市場(chǎng)的發(fā)展和生產(chǎn)的需求，與多家企業(yè)合作研究，在原有產(chǎn)品的基礎(chǔ)上經(jīng)過不斷改進(jìn)，追求新型，在強(qiáng)化內(nèi)部管理，完善結(jié)構(gòu)調(diào)整的同時(shí)，優(yōu)良的質(zhì)量、合理的價(jià)格、完善的服務(wù)，在業(yè)界受到***好評(píng)。以滿足顧客要求為己任；以顧客永遠(yuǎn)滿意為標(biāo)準(zhǔn)；以保持行業(yè)**為目標(biāo)，提供***的[ "化工原料及產(chǎn)品", "橡膠，炭黑", "色母粒，彈性體" ]。上海君宜化工以創(chuàng)造***產(chǎn)品及服務(wù)的理念，打造高指標(biāo)的服務(wù)，引導(dǎo)行業(yè)的發(fā)展。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/272867.html</p></div></div></div></div></div><div id="hpf7bwh" class="page-right twoColRt"><div id="cuq4l79" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="zc3te3d" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" 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