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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>上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少,環(huán)氧板</p><p><span>***更新：</span>2021-02-04 11:01:59</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="m827rir" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海偉奮實(shí)業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>石先生</p><p><span>郵箱: </span>36373602@qq.com</p><p><span>電話(huà): </span>18017111399</p><p><span>傳真: </span>021_63613955</p><p><span>網(wǎng)址: </span>http://www.shweifen.cn</p><p><span>手機(jī): </span>021-63613955</p><p><span>地址: </span>上海市奉賢區(qū)南奉公路2300號(hào)</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="qcj3gnj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="e8ykbie" class="box"><p><p> fr4環(huán)氧板溫度上升時(shí)為什么會(huì)加大電氣強(qiáng)度? </p> <p> 1，上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少、環(huán)氧板材料厚度：由于擊穿電壓與厚度成正比，而電氣強(qiáng)度與材料的厚度是沒(méi)有關(guān)系的。當(dāng)絕緣材料較厚時(shí)，會(huì)增加材料的壓力，導(dǎo)致材料散熱困難、fr4環(huán)氧板出現(xiàn)氣泡等現(xiàn)象，從而降低絕緣材料的使用性能; </p> <p> 2、溫環(huán)氧板度和濕度：當(dāng)絕緣材料所使用的區(qū)域，，fr4環(huán)氧板從而降低絕緣材料的使用性能。而當(dāng)所處環(huán)境含有較重的水分時(shí)，上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少，上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少，電氣強(qiáng)度也會(huì)有所降低。上海偉奮實(shí)業(yè)有限公司上海偉奮實(shí)業(yè)有限公司是一家專(zhuān)業(yè)提供環(huán)氧板的公司，有想法的不要錯(cuò)過(guò)哦！上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少,環(huán)氧板" src="https://tyunfile.71360.com/WaterMark/UploadFile/weifen/637278391385341797/1008862.png"></div><p> 詳解絕緣板原料及特點(diǎn)介紹呢？隨著大家對(duì)安全意識(shí)的增加，絕緣板在各個(gè)場(chǎng)合都被較多使用，起到一個(gè)絕緣的效果，雨季濕度大，絕緣防護(hù)工作就更加重要了，因?yàn)橛昙鞠掠炅枯^大，很多配電室、配電室為了安全，開(kāi)始使用高一級(jí)標(biāo)準(zhǔn)的絕緣膠墊，所以產(chǎn)品的需求增大了很多。 </p> <p> 絕緣板由GF（**紗）、UP（不飽和樹(shù)脂）、低收縮添加劑，MD（填料）及各種助劑組成。具有電絕緣性能、機(jī)械性能、熱穩(wěn)定性、耐化學(xué)防腐性，應(yīng)用范圍相當(dāng)?shù)亩?，主要在汽?chē)工業(yè)、鐵路車(chē)輛、電氣工業(yè)與通訊工程、衛(wèi)浴、地面材料、防爆電器設(shè)備外殼、無(wú)線通訊等領(lǐng)域應(yīng)用。上海環(huán)氧板加工上海偉奮實(shí)業(yè)有限公司為您提供環(huán)氧板，歡迎新老客戶(hù)來(lái)電！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少,環(huán)氧板" src="https://tyunfile.71360.com/WaterMark/UploadFile/weifen/637278391424375000/741129.png"></div>聚對(duì)苯二甲酸丁二醇酯：PBT塑料，PBT是一種熱塑性聚酯，非增強(qiáng)型的PBT與其它熱塑性工程塑料相比，加工性能和電性能較好。PBT玻璃化溫度低，模具溫度在50℃時(shí)即可迅速結(jié)晶，加工周期短。PBT具有高絕緣性及耐溫性而應(yīng)用于電子、電氣和汽車(chē)工業(yè)中，如電視機(jī)的回掃變壓器、汽車(chē)分電盤(pán)和點(diǎn)火線圈、辦公設(shè)備殼體和底座、各種汽車(chē)外裝部件、空調(diào)機(jī)風(fēng)扇、電子爐灶底座、辦公設(shè)備殼件等。 <p> 聚苯醚：PPO塑料，PPO具有優(yōu)良的綜合性能，較大的特點(diǎn)是在長(zhǎng)期負(fù)荷下，具有優(yōu)良的尺寸穩(wěn)定性和突出的電絕緣性，使用溫度范圍廣，可在-127～121℃范圍內(nèi)長(zhǎng)期使用。具有優(yōu)良的耐水、耐蒸汽性能，制品具較高的拉伸強(qiáng)度和抗沖強(qiáng)度，抗蠕變性也好。此外，有較好的耐磨性和電性能。主要用于代替不銹鋼制造外科醫(yī)療器械。在機(jī)電工業(yè)中可制作齒輪、鼓風(fēng)機(jī)葉片、管道、閥門(mén)、螺釘及其他緊固件和連接件等，還用于制作電子、電氣工業(yè)中的零部件，如線圈骨架及印刷電路板等。 </p> <p> <br /> </p><p> FR-4黃料白料，F(xiàn)R-4環(huán)氧玻璃布層壓板，根據(jù)使用的用途不同，行業(yè)一般稱(chēng)為：FR-4 Epoxy Glass Cloth,絕緣板，環(huán)氧板，環(huán)氧樹(shù)脂板，溴化環(huán)氧樹(shù)脂板，F(xiàn)R-4，玻璃纖維板，玻纖板，F(xiàn)R-4補(bǔ)強(qiáng)板，F(xiàn)PC補(bǔ)強(qiáng)板，柔性線路板補(bǔ)強(qiáng)板，F(xiàn)R-4環(huán)氧樹(shù)脂板，阻燃絕緣板，F(xiàn)R-4積層板，環(huán)氧板，F(xiàn)R-4光板，F(xiàn)R4玻纖板，環(huán)氧玻璃布板，環(huán)氧玻璃布層壓板，線路板鉆孔墊板。主要技術(shù)技術(shù)特點(diǎn)及應(yīng)用：電絕緣性能穩(wěn)定，平整度好，表面光滑，無(wú)凹坑，厚度公差標(biāo)準(zhǔn)，適合應(yīng)用于高性能電子絕緣要求的產(chǎn)品，如FPC補(bǔ)強(qiáng)板，PCB鉆孔墊板，玻纖介子，電位器碳膜印刷玻璃纖維板，精密游星齒輪(晶片研磨)，精密測(cè)試板材，電氣（電器）設(shè)備絕緣撐條隔板，絕緣墊板，變壓器絕緣板，電機(jī)絕緣件，研磨齒輪，電子開(kāi)關(guān)絕緣板等。 </p> <p> <br /> 上海偉奮實(shí)業(yè)有限公司致力于提供環(huán)氧板，歡迎您的來(lái)電哦！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少,環(huán)氧板" src="https://tyunfile.71360.com/WaterMark/UploadFile/weifen/637278391295205078/2623899.png"></div><p> 偉奮分享工程塑料的分類(lèi)、特性及其應(yīng)用行業(yè)，工程塑料是指可作工程材料和代替金屬制造機(jī)器零部件等的塑料，常見(jiàn)的工程塑料主要包括聚碳酸酯(Polycarbonate，PC)、聚酰胺(尼龍，Polyamide，PA)、聚甲醛(Polyacetal，Polyoxy Methylene，POM)、聚苯醚(Polyphenylene Oxide，PPO)、聚酯(PET，PBT)、聚苯硫醚(Polyphenylene Sulfide，PPS)、聚芳基酯等。 </p> <p> <br /> </p> <p> 聚酰胺：PA塑料：PA，俗稱(chēng)尼龍，由于獨(dú)特的低比重、高抗拉強(qiáng)度、耐磨、自潤(rùn)滑性好、沖擊韌性?xún)?yōu)異、具有剛?cè)峒鎮(zhèn)涞男阅芏A得人們的重視，加之其加工簡(jiǎn)便、效率高、比重輕(只有金屬的1/7)、可以加工成各種制品來(lái)代替金屬，用于汽車(chē)及交通運(yùn)輸業(yè)。典型的制品有泵葉輪、風(fēng)扇葉片、閥座、襯套、軸承、各種儀表板、汽車(chē)電器儀表、冷熱空氣調(diào)節(jié)閥等零部件，大約每輛汽車(chē)消耗PA制品達(dá)3.6～4千克。PA在汽車(chē)工業(yè)的消費(fèi)比例較大，其次是電子電氣。環(huán)氧板，就選上海偉奮實(shí)業(yè)有限公司，用戶(hù)的信賴(lài)之選，有需求可以來(lái)電咨詢(xún)！上海fr-4環(huán)氧板用途</p><p style="text-indent:25px">上海偉奮實(shí)業(yè)有限公司致力于提供環(huán)氧板，歡迎您的來(lái)電！上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少</p><p> 絕緣板的特點(diǎn)： </p> <p> 1、收縮性低。環(huán)氧樹(shù)脂和所用的固化劑的反應(yīng)是通過(guò)直接加成反應(yīng)或樹(shù)脂分子中環(huán)氧基的開(kāi)環(huán)聚合反應(yīng)來(lái)進(jìn)行的，沒(méi)有水或其它揮發(fā)性副產(chǎn)物放出。它們和不飽和聚酯樹(shù)脂、酚醛樹(shù)脂相比，在固化過(guò)程中顯示出很低的收縮性（小于2%）。 </p> <p> 2、力學(xué)性能。固化后的環(huán)氧樹(shù)脂體系具有優(yōu)良的力學(xué)性能。 </p> <p> 3、形式多樣。各種樹(shù)脂、固化劑、改性劑體系幾乎可以適應(yīng)各種應(yīng)用對(duì)形式提出的要求，其范圍可以從極低的粘度到高熔點(diǎn)固體。 </p> <p> 4、粘附力強(qiáng)。環(huán)氧樹(shù)脂分子鏈中固有的極性羥基和醚鍵的存在，使其對(duì)各種物質(zhì)具有很高的粘附力。環(huán)氧樹(shù)脂固化時(shí)的收縮性低，產(chǎn)生的內(nèi)應(yīng)力小，這也有助于提高粘附強(qiáng)度。 </p> <p> 5、固化方便。選用各種不同的固化劑，環(huán)氧樹(shù)脂體系幾乎可以在0～180℃溫度范圍內(nèi)固化。上海供應(yīng)質(zhì)量環(huán)氧板費(fèi)用是多少</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3159670.html</p></div></div></div></div></div><div id="u98dev8" class="page-right twoColRt"><div id="3yf3bdp" class="box01 margin10 clearfix"><h3><a 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