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href="http://www.cdcfah.com/">首頁(yè)?<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>?河南聚脂薄膜鍍鋅管江蘇御地溫室工程供應(yīng)</p><div id="fz3ghtf" class="leftbox clearfix"><h1>河南聚脂薄膜鍍鋅管江蘇御地溫室工程供應(yīng)</h1><div id="bqfrt3d" class="proBig"><div id="jy8urv8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961543190535/9459143.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7mjbogs" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961543190535/9459143.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="apuld8i" 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>河南聚脂薄膜鍍鋅管,薄膜</p><p><span>***更新：</span>2020-12-24 02:20:20</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ed8jqxu" 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="3yfho3a" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8772r7e" class="box"><p><p style="text-indent:25px">薄膜的品種分類沒有統(tǒng)一的規(guī)定。通常人們習(xí)慣的分類方式有以下三種：（1）按薄膜成型所用原料分類：有聚乙烯薄膜、聚丙烯薄膜、聚氯乙烯薄膜和聚酯薄膜等。（2）按薄膜用途分類：有農(nóng)用薄膜（這里根據(jù)農(nóng)膜的具體用途，又可分為地膜和大棚膜）；包裝薄膜（包裝膜按其具體用途，又可分為食品包裝膜和各種工業(yè)制品用包裝膜等）及用于特殊環(huán)境、具有特殊用途的透氣薄膜，水溶薄膜及具有壓電性能的薄膜等。（3）按薄膜的成型方法分類：有擠出塑化，河南聚脂薄膜鍍鋅管、然后吹塑成型的薄膜，稱為吹塑薄膜；經(jīng)擠出塑化，然后熔融料從模具口流延成型的薄膜，河南聚脂薄膜鍍鋅管，稱為流延薄膜；在壓延機(jī)上由幾根輥筒輾壓塑化原料制成的薄膜，河南聚脂薄膜鍍鋅管，稱為壓延薄膜。農(nóng)用薄膜是應(yīng)用于農(nóng)業(yè)生產(chǎn)的塑料薄膜的總稱。河南聚脂薄膜鍍鋅管</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南聚脂薄膜鍍鋅管,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961543190535/9459143.png"></div><p style="text-indent:25px">塑料薄膜常用的管材你知道有哪些嗎? (一)熱浸鋅鋼管熱鍍鋅管是使熔融金屬與鐵基體反應(yīng)而產(chǎn)生合金層，從而使基體和鍍層二者相結(jié)合。熱鍍鋅管是先將鋼管進(jìn)行酸洗，為了去除鋼管表面的氧化鐵，酸洗后，通過氯化銨或氯化鋅水溶液或氯化銨和氯化鋅混合水溶液槽中進(jìn)行清洗，然后送入熱浸鍍槽中。熱鍍鋅具有鍍層均勻，附著力強(qiáng)，使用壽命長(zhǎng)等優(yōu)點(diǎn)。熱鍍鋅鋼管基體與熔融的鍍液發(fā)生復(fù)雜的物理、化學(xué)反應(yīng)，形成耐腐蝕的結(jié)構(gòu)緊密的鋅一鐵合金層。合金層與純鋅層、鋼管基體融為一體。故其耐腐蝕能力強(qiáng)。 (二)鍍鋅帶管鍍鋅帶管把生產(chǎn)熱鍍鋅管的生產(chǎn)工藝做了調(diào)整。先對(duì)其制管用的帶鋼進(jìn)行酸洗，為了去除帶鋼表面的氧化鐵，酸洗后，通過氯化銨或氯化鋅水溶液或氯化銨和氯化鋅混合水溶液槽中進(jìn)行清洗，然后送入熱浸鍍槽中。然后風(fēng)干，再制成管。具有鍍層均勻、光亮，鍍鋅量比較少，比生產(chǎn)熱鍍鋅管的成本低。其耐腐蝕能力比熱鍍鋅管稍差。湖南聚脂薄膜建設(shè)按薄膜的成型方法分類：有擠出塑化、然后吹塑成型的薄膜，稱為吹塑薄膜。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南聚脂薄膜鍍鋅管,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961590397437/5744084.png"></div><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(yáng)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(duì)于透明塑料薄膜，對(duì)其透光率要求較高，一般應(yīng)達(dá)到92%以上。而對(duì)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(zhǎng)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。</p><p style="text-indent:25px">薄膜的表面特性對(duì)薄膜的印刷和復(fù)合影響較大，且影響因素也較多，現(xiàn)簡(jiǎn)述如下。 1、塑料薄膜的結(jié)晶度許多塑料薄膜不*表面光滑，而且結(jié)晶度高，在分子處于熱力學(xué)的穩(wěn)定態(tài)，具有穩(wěn)定的化學(xué)性能，油墨或膠黏劑分子比較難在其表面產(chǎn)生擴(kuò)散作用，從而使油墨、膠黏劑等在薄膜表面的黏附力效果比較不理想。 2、弱表面層在加工聚烯烴等薄膜過程中，為了使薄膜具有較好的開口性、抗靜電、耐老化、防紫外線照射等性能，往往要加入一定量的助劑，如開口劑、抗靜電劑、增塑劑、穩(wěn)定劑等，這些助劑極易析出，并向表面遷移形成油污，使薄膜表面形成強(qiáng)度比較低的弱表面層。由于弱表面層的內(nèi)聚強(qiáng)度要比主體的內(nèi)聚強(qiáng)度低得多，會(huì)對(duì)印刷和復(fù)合工藝產(chǎn)生不利影響。 3、塑料薄膜表面的清潔度如果環(huán)境衛(wèi)生條件比較差，空氣潔凈度低，則塑料薄膜的表面極易吸附空氣中的灰塵、油脂等物質(zhì)，而這些吸附物會(huì)妨礙油墨和膠黏劑跟薄膜表面的相互接觸，影響它們?cè)谒芰媳∧け砻娴臐?rùn)濕，因此，對(duì)薄膜表面的清潔度一定要加以重視。塑料薄膜必須具有一定的幾何尺寸穩(wěn)定性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="河南聚脂薄膜鍍鋅管,薄膜" src="https://tyunfile.71360.com/UploadFile/jsydwsgc/637424961415925173/1074178.png"></div><p style="text-indent:25px">電暈處理塑料薄膜表面濕張力的大小與施加於電極上的電壓高低、電極與電暈處理輥之間的距離等因素有關(guān)。當(dāng)然，電暈處理應(yīng)當(dāng)適度，并非電暈處理強(qiáng)度越高越好。這里值得注意的是塑料薄膜與電暈處理輥之間應(yīng)避免夾入空氣，否則有可能使薄膜的反面也被電暈處理了。反面電暈造成的後果是：1有可能產(chǎn)生油墨印刷的反粘現(xiàn)象；2在鍍鋁時(shí)會(huì)發(fā)生鍍鋁層轉(zhuǎn)移，在涂膠時(shí)會(huì)發(fā)生涂膠層轉(zhuǎn)移。防止薄膜反面電暈的主要措施是要調(diào)節(jié)好電暈處理輥前的橡膠壓緊輥的壓力，壓緊輥兩端壓力既要一致且壓力大小又要合適。另外，電暈輥和壓緊輥必須進(jìn)行嚴(yán)格的動(dòng)靜平衡試驗(yàn)，徑向跳動(dòng)要求小於0.05毫米，目的是保證塑料薄膜平整地進(jìn)入電暈輥、防止夾入空氣，從而避免發(fā)生反面電暈的現(xiàn)象。長(zhǎng)壽薄膜、為使薄膜耐老化、易回收，在生產(chǎn)過程中加入防老化劑，可使薄膜的壽命延長(zhǎng)2～4倍。湖南聚脂薄膜建設(shè)</p><p style="text-indent:25px">在照相機(jī)、放映機(jī)的透鏡表面上涂上一層透明薄膜，能夠減少光的反射，增加光的透射，這種薄膜叫做增透膜。河南聚脂薄膜鍍鋅管</p><p style="text-indent:25px">薄膜的表面特性對(duì)薄膜的印刷和復(fù)合影響較大，且影響因素也較多，現(xiàn)簡(jiǎn)述如下。 1、分子結(jié)構(gòu)的非極性一般情況下，油墨和膠黏劑在塑料薄膜表面的吸附和黏合主要是靠?jī)烧叻肿娱g的作用力來實(shí)現(xiàn)的。大多數(shù)塑料薄膜包裝材料的分子結(jié)構(gòu)中基本沒有極性基團(tuán)或只帶有弱極性基團(tuán)，臨界表面張力小，惰性較強(qiáng)，是典型的非極性新型材料，油墨和膠黏劑對(duì)其表面的潤(rùn)濕性和親和性差，兩者分子間作用力非常弱。 2、塑料薄膜的表面能塑料薄膜的表面能通常是比較低的，如聚乙烯的臨界表面張力只有3.1×10-2N/m，聚丙烯的臨界表面張力只有3.4×10-2N/m，表面能低，不容易被油墨或者膠黏劑所潤(rùn)濕，因此，必須使塑料薄膜的臨界表面張力大于或等于油墨或膠黏劑的表面張力，以保證油墨或膠黏劑在其表面上得到充分的潤(rùn)濕。河南聚脂薄膜鍍鋅管</p><p style="text-indent:25px">江蘇御地溫室工程有限公司位于洛社鎮(zhèn)洛南大道8-903。公司業(yè)務(wù)分為溫室大棚，連棟大棚，大棚，玻璃溫室等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于農(nóng)業(yè)行業(yè)的發(fā)展。江蘇御地溫室工程立足于全國(guó)市場(chǎng)，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: 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