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<meta http-equiv="Cache-Control" content="no-siteapp" /> <script>var V_PATH="/";window.onerror=function(){ return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u 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href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="shegab3" class="twoCol"><div id="pt38q8g" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_nongye/">農(nóng)業(yè)</a>?<a href="http://www.cdcfah.com/cp/second-_nyyj/">農(nóng)業(yè)用具</a>?<a href="http://www.cdcfah.com/cp/third-nyyj_nybmww/">農(nóng)用薄膜</a>?湖北白色薄膜制造廠家江蘇御地溫室工程供應(yīng)</p><div id="wgik88k" class="leftbox clearfix"><h1>湖北白色薄膜制造廠家江蘇御地溫室工程供應(yīng)</h1><div id="yd8plne" class="proBig"><div id="wldfp78" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961322487256/7196555.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="u77vsuw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961322487256/7196555.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dkmjqsu" 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>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>湖北白色薄膜制造廠家,薄膜</p><p><span>***更新：</span>2021-01-03 07:24:18</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="kp3qcoq" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇御地溫室工程有限公司</a></p><p><span>聯(lián)系人：</span>汪先生</p><p><span>郵箱: </span>845964795@qq.com</p><p><span>電話: </span>13395116663</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.jsydws.com</p><p><span>手機(jī): </span>0510-83830223</p><p><span>地址: </span>洛社鎮(zhèn)洛南大道8-903</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="smjl8k2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="n78hjbd" class="box"><p><p style="text-indent:25px">塑料薄膜與我們?nèi)祟惿钜约翱茖W(xué)信息技術(shù)發(fā)展息息相關(guān)，而因?yàn)楸∧?yīng)用的環(huán)境和條件不同，對薄膜的耐溫性有一定的要求，但相比金屬、陶瓷、玻璃等傳統(tǒng)材料耐溫性，薄膜整體的耐熱性不高，這極大限制了其在高溫場合的使用。在塑料薄膜中，不同品種塑料的耐熱性能存在比較大的差異，湖北白色薄膜制造廠家，有的耐熱比較低、有的則較高，湖北白色薄膜制造廠家。一般按照薄膜絕緣材料的耐熱等級中，長期工作溫度達(dá)到H級180oC以上，可以稱為耐高溫薄膜，而我們傳統(tǒng)界定指耐溫達(dá)到200oC以上的稱為耐高溫薄膜。在耐高溫薄膜的研發(fā)上，湖北白色薄膜制造廠家，相比歐美和日本等發(fā)達(dá)國家，我國基礎(chǔ)相對比較薄弱，起步較晚，在新材料領(lǐng)域的耐高溫薄膜主要被國外企業(yè)壟斷。薄膜是一種薄而軟的透明薄片。湖北白色薄膜制造廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北白色薄膜制造廠家,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961322487256/7196555.png"></div><p style="text-indent:25px">塑料薄膜的物理性能試驗(yàn)鑒別法： 1、撕裂強(qiáng)度試驗(yàn) 在薄膜一端用剪刀將薄膜切成一厘米長的切口，然后用手撕裂，觀察薄膜對撕裂的抵抗力及裂痕的狀態(tài)。容易撕裂的薄膜有聚苯乙烯、玻璃紙、醋酸纖維素等薄膜。聚乙烯、聚酯、尼龍、聚丙烯等薄膜的撕裂強(qiáng)度大，但根據(jù)加工條件、增塑劑含量的不同而略有區(qū)別。 2、收縮性能試驗(yàn) 將薄膜緩慢接近火焰，不同種類的薄膜呈現(xiàn)出激烈收縮和不激烈收縮兩種狀態(tài)。收縮少的薄膜有聚酯、醋酸纖維素薄膜、硬質(zhì)聚氯乙烯（無增縮劑）、聚碳酸酯等薄膜，激烈收縮的薄膜有拉伸聚氯乙烯（熱收縮性聚氯乙烯）、拉伸聚丙烯、聚偏二氯乙烯、聚乙烯等薄膜。 3、延伸性試驗(yàn) 剪下一片長10~15厘米、寬1厘米的帶狀薄膜，捏住二端慢慢拉伸，采用這種試驗(yàn)方法可以發(fā)現(xiàn)：延伸率大的薄膜有聚乙烯、未拉伸聚丙烯、軟質(zhì)聚氯乙烯、聚乙烯醇、鹽酸橡膠、未拉伸尼龍薄膜等，延伸率小的薄膜有普通玻璃紙、聚酯、醋酸纖維素、硬質(zhì)聚氯乙烯、聚偏二氯乙烯薄膜等，聚碳酸酯、拉伸尼龍的延伸率介于上述兩者之間。重慶復(fù)合薄膜生產(chǎn)廠家電子半導(dǎo)體功能器件和光學(xué)鍍膜是薄膜技術(shù)的主要應(yīng)用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北白色薄膜制造廠家,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961543190535/9459143.png"></div><p style="text-indent:25px">薄膜吹塑法和流延法的產(chǎn)品特點(diǎn)比較： 1.吹塑法因有一個(gè)吹脹過程而導(dǎo)致產(chǎn)品的縱、橫向的分子受到不同程度的拉伸。產(chǎn)品的耐溫度性能和熱封性能都會(huì)受到較大影響，當(dāng)產(chǎn)品需要蒸煮消毒(如121℃蒸氣)時(shí)，成型中被拉伸的分子鏈?zhǔn)軣岷髸?huì)有明顯的回縮現(xiàn)象，導(dǎo)致產(chǎn)品嚴(yán)重變形，并且會(huì)較大降低熱封連接處的強(qiáng)度而導(dǎo)致漏袋現(xiàn)象。 2.流延法生產(chǎn)薄膜(又稱未拉伸薄膜)時(shí)，分子排列有序，產(chǎn)品冷卻速度快，有利于提高產(chǎn)品的透明度、光澤度及厚薄均勻性，且產(chǎn)品質(zhì)地較軟、較韌；抗沖擊性能、耐熱及低溫適應(yīng)性均好于吹塑法。 3.流延法的生產(chǎn)效率極高，產(chǎn)品質(zhì)量穩(wěn)定性好。生產(chǎn)過程中的廢料少，且較易實(shí)現(xiàn)在線回收邊、廢料，材料的利用率高。</p><p style="text-indent:25px">塑料薄膜在包裝領(lǐng)域的應(yīng)用較為普遍。塑料薄膜可用于食品包裝、電器產(chǎn)品包裝、日用品包裝、服裝包裝等等。它們有一個(gè)共同點(diǎn)，就是對塑料薄膜都要進(jìn)行彩色印刷，而作為食品包裝還要進(jìn)行多層復(fù)合或真空鍍鋁等工藝操作。因此，要求塑料薄膜表面自由能要高、濕張力要大，以有利于印刷油墨、粘合劑或鍍鋁層與塑料薄膜的牢固粘合；在塑料薄膜生產(chǎn)卷取和高速包裝過程中，則要求薄膜表面有一定的摩擦性能防止薄膜粘連或打滑；在用于電器、電子產(chǎn)品等包裝時(shí)，則要求薄膜具有一定的防靜電性能等等。在壓延機(jī)上由幾根輥筒輾壓塑化原料制成的薄膜，稱為壓延薄膜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="湖北白色薄膜制造廠家,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961559987388/7132350.png"></div><p style="text-indent:25px">目前，中國塑料薄膜行業(yè)正處于一個(gè)蓬勃發(fā)展的階段，據(jù)悉，中國塑料薄膜的需求量每年將以9%以上的速度增長。而且隨著各種新材料、新設(shè)備和新工藝不斷地涌現(xiàn)，將促使中國的塑料薄膜朝著品種多樣化、**化以及具備多功能的復(fù)合膜方向發(fā)展。伴隨著行業(yè)的發(fā)展，塑料薄膜制造行業(yè)的競爭不斷加劇，國內(nèi)優(yōu)良的塑料薄膜生產(chǎn)企業(yè)越來越重視對行業(yè)市場的研究，特別是對行業(yè)發(fā)展環(huán)境和產(chǎn)品購買者的深入研究。也正因?yàn)槿绱?，一大批國?nèi)優(yōu)良的塑料薄膜制造品牌迅速崛起，逐漸成為中國乃至世界塑料薄膜制造行業(yè)中的形式。容易撕裂的薄膜有聚苯乙烯、玻璃紙、醋酸纖維素等薄膜。湖北白色薄膜制造廠家</p><p style="text-indent:25px">半導(dǎo)體功能器件和光學(xué)鍍膜是薄膜技術(shù)的主要應(yīng)用。湖北白色薄膜制造廠家</p><p style="text-indent:25px">一般來說，選擇塑料薄膜材料應(yīng)考慮以下這些因素。 1、外觀塑料薄膜的表面應(yīng)當(dāng)平整光滑，無皺折或*有少量的活褶，無明顯的凹凸不平、黑點(diǎn)、雜質(zhì)、晶點(diǎn)和僵塊，沒有條紋、斑痕、暴筋等弊病，無氣泡、針眼及破裂，鍍鋁膜的鍍鋁層應(yīng)當(dāng)均勻，不允許有明顯的亮條、陰陽面等現(xiàn)象。此外，還要求薄膜表面清潔干凈，無灰塵、油污等。 2、規(guī)格及偏差塑料薄膜的寬度、厚度及其偏差應(yīng)當(dāng)符合要求，而且應(yīng)當(dāng)厚薄均勻，橫、縱向的厚度偏差小，且偏差分布比較均勻。此外，鍍鋁膜的鍍鋁層厚度也應(yīng)符合要求。一般來說，選擇塑料薄膜材料應(yīng)考慮以下這些因素。 1、透明度和光澤度對于透明塑料薄膜，對其透光率要求較高，一般應(yīng)達(dá)到92%以上。而對于不透明塑料薄膜，比如白膜，則要求其白度高、不透明度好。此外，塑料薄膜還應(yīng)當(dāng)具有良好的光澤度。 2、物理機(jī)械性能由于塑料薄膜在印刷和復(fù)合過程中要受到機(jī)械力的作用，因此，要求薄膜材料必須具有一定的機(jī)械強(qiáng)度和柔韌性。塑料薄膜的物理機(jī)械性能主要包括拉伸強(qiáng)度、斷裂伸長率、撕裂強(qiáng)度、沖擊強(qiáng)度等，此外，鍍鋁膜上鍍鋁層的牢固度也應(yīng)當(dāng)符合要求。湖北白色薄膜制造廠家</p><p style="text-indent:25px">江蘇御地溫室工程有限公司致力于農(nóng)業(yè)，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。江蘇御地溫室工程擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供溫室大棚，連棟大棚，大棚，玻璃溫室。江蘇御地溫室工程始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。江蘇御地溫室工程始終關(guān)注農(nóng)業(yè)行業(yè)。滿足市場需求，提高產(chǎn)品價(jià)值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2685105.html</p></div></div></div></div></div><div id="zo3p3lq" class="page-right twoColRt"><div id="2oq3ujf" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="apbyf2y" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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