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class="proBig"><div id="o4q2e4k" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="ioekigw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="e4cqge2" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>深圳耐摩擦pom板棒,pom</p><p><span>***更新：</span>2020-12-03 13:44:10</p><p><span id="click" >瀏覽次數(shù)：6次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wk4siy2" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">蘇州多特瑪工程塑料有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>network@dtmar.com</p><p><span>電話: </span>13701715149</p><p><span>傳真: </span>0512_</p><p><span>網(wǎng)址: </span>http://www.dtmar.cn</p><p><span>手機: </span>0512-62381302</p><p><span>地址: </span>中國(江蘇)自由貿(mào)易試驗區(qū)蘇州片區(qū)蘇州啟月街288號1商幢2-1005室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="uq0sq2u" class="page-proshow02"><p class="title">詳細說明</p><div id="oeu4g22" class="box"><p><p> POM塑料板棒掉漆的原因及POM板棒底涂劑的使用方法。POM塑料俗稱賽鋼，深圳耐摩擦pom板棒，也稱之為聚甲醛，其表面噴漆出現(xiàn)油漆難附著掉漆的現(xiàn)象主要是由于其高結(jié)晶度和高密度，表面極性差，油漆與POM賽鋼基材表面無法有效形成極性基團的牢固結(jié)合，因此在噴涂橡膠漆或塑膠漆等其他油漆時，易出現(xiàn)油漆脫落的現(xiàn)象，進行百格附著力測試時無法達到附著力要求。在噴涂工藝中，POM聚甲醛賽鋼塑料表面橡膠漆可獲得手感細膩、綿滑、柔軟的觸感體驗，同時也附加耐磨等性能，如噴漆塑膠漆時還可獲得豐富的色彩。綜合其噴涂掉漆的原因，關(guān)鍵是在于基材與油漆涂層之間的附著力，深圳耐摩擦pom板棒。因此通過打底法，使用POM賽鋼底涂劑，活化材質(zhì)表面，并發(fā)生分子間作用力及機械結(jié)合力等，同時與油漆之間形成化學鍵合效應，優(yōu)化附著力結(jié)合強度，從而解決掉漆現(xiàn)象，同時底涂劑的應用替代和改進POM賽鋼塑料表面噴砂處理工藝，保證表面平整度和涂裝質(zhì)量。 </p> <p> 因此POM賽鋼塑料表面噴砂處理施工方法： </p> <p> 1.將POM賽鋼塑料基材表面用溶劑擦拭干凈。 </p> <p> 2.將POM處理劑噴涂在基材上（3-5μm），深圳耐摩擦pom板棒。 </p> <p> 3.室溫放置大約10分鐘左右，讓其表干。 </p> <p> 4.120℃-160℃烘烤10分鐘。 </p> <p> 5.取出后冷卻后觀察表面完好即可上漆。 pom板棒自從問世以來一直深受各大廠家的歡迎。深圳耐摩擦pom板棒</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom板棒,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png"></div><p style="text-indent:25px"><span style="font-size:14px;font-family:""> </span><span style="font-size:14px;font-family:"">pom賽鋼加工如何防止產(chǎn)品變形？經(jīng)常會有原料加工方面的朋友問到這樣的問題，因為一旦產(chǎn)品發(fā)生了變形，無疑就宣告了工藝流程的失敗，需要及時的去調(diào)整工藝流程各項參數(shù)。</span><span style="font-size:14px;font-family:"">變形主要有幾種因素引起的：</span><span style="font-size:14px;font-family:"">1. 夾緊變形，POM材料不像鋼材，夾緊</span><span style="font-size:14px;font-family:"">會產(chǎn)生變形，粗加</span><span style="font-size:14px;font-family:"">工后松開后產(chǎn)品又回復到原來狀態(tài)了，2. 熱變形，加工時會產(chǎn)生大量的熱，而POM材料對熱很敏感，從而產(chǎn)生變形3. 彈性變形，POM材料韌性很好，切削時，產(chǎn)品會產(chǎn)生彈性變形，刀具離開后會產(chǎn)品會恢復一定的變形量。針對這些因素可以采取以下以下措施：1. 粗加工前將毛胚做標準，再開粗，盡量多分幾次加工，減少變形量。也可以用粘膠水的方式加工，這樣變形就很小。2. 采用白鋼刀（高速鋼刀具的俗稱）加工而不用合金刀，因為白鋼刀很鋒利，切削時產(chǎn)生的熱量相對要小些。3. 切削量不要太大。</span>東莞批發(fā)pom板材價格多特瑪是一家工程塑料企業(yè),致力于pom板,peek板,PI板銷售,大量的服務于機械工程,自動化,食品科技和其他行業(yè)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom板棒,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366206266763/2244651.png"></div> <span style="font-size:14px;font-family:""> </span><span style="font-size:14px;font-family:"">經(jīng)常很多人問塑料pom板和塑料pp板如何區(qū)分，除了常使用的聞，看和摸以外，書面說明的區(qū)別主要有：</span> <p> <span style="font-size:14px;font-family:"">1、性質(zhì)不同：聚丙烯（PP）擠出板材是PP樹脂添加入各種功能助劑經(jīng)擠出、壓光、冷卻、切割等工藝過程而制成的塑料板材。POM聚甲醛是一種沒有側(cè)鏈、高密度、高結(jié)晶性的線型聚合物。</span> </p> <p> <br /> </p> <p> <span style="font-size:14px;font-family:"">2、特點不同：POM塑料對酸堿穩(wěn)定性略低；而共聚甲醛密度、結(jié)晶度、熔點、強度都較低，但熱穩(wěn)定性好。PP塑料板是一種半結(jié)晶性材料，比PE要更堅硬并且有更高的熔點。</span> </p> <p> <br /> </p> <p> <span style="font-size:14px;font-family:"">3、性能不同：PP的強度隨著乙烯含量的增加而增大。PP的維卡軟化溫度為150℃。POM塑料主要增強材料為玻璃纖維、玻璃球或碳纖維等，并且玻璃纖維很常用，增強后的力學性能可提高2～3倍，熱變形溫度提高50℃以上。</span> </p> <p> <br /> </p><p> <span style="font-size:14px;font-family:""> </span><span style="font-family:"font-size:14px;">POM板棒的顏色如何區(qū)分？</span><span style="font-family:"font-size:14px;">POM-C/H（黑色、白色）：分別指的是POM共聚物和POM均聚物，POM共聚物熔點低、熱穩(wěn)定性、耐化學腐蝕性、流動特性、耐水解、耐強堿和熱力氧化降級、加工性優(yōu)于均聚甲醛。POM均聚物結(jié)晶度高、搞蠕變性、熱膨脹率更低、耐磨性、機械強度、剛性、熱變形溫度等比共聚甲醛好。（目前市面上POM半成品普遍使用POM-C共聚）。</span> </p> <p> <span style="font-size:14px;font-family:"">POM-H+PTFE（深棕色）：POM-H+TF是用杜邦POM（DELRIN）原料加PTFE（鐵氟龍）纖維擠出而成。它保留了POM-H的大多數(shù)固有強度。因填加PTFE（鐵氟龍）纖維而有某些性能改變，稍軟，剛性小，比純的聚甲醛樹脂更滑。與純POM板比較，該種材料潤滑性更好。用POM-H+PTFE制造的軸承摩擦系數(shù)低，耐磨，并且基本無蠕動現(xiàn)象。</span><span style="font-size:14px;font-family:""></span> POM的熔體粘度對剪切速率敏感。要提高熔體流動性，不能單提高溫度，也可從提高注射速率和注射壓力著手。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳耐摩擦pom板棒,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366670993420/9564689.png"></div><p> <span style="font-size:14px;font-family:"">pom注塑成型的注意事項之工藝條件</span><span style="font-size:14px;font-family:"">：</span> </p> <p> <span style="font-size:14px;font-family:"">1. 干燥：樹脂本身的吸濕性很小，因此并不一定需要干燥，但成型時如含水量大于0.1%,則需進行干燥，也有利于避免出現(xiàn)模垢現(xiàn)象，但對于一些填充品級，如碳纖維填充，導電品級，則必須進行干燥，干燥條件為80-90℃，3~4小時。</span> </p> <p> <span style="font-size:14px;font-family:"">2. 回收利用：可以使用再生材料?；厥樟霞词?00%使用10次，其物性都基本上不會發(fā)生變化，但顏色會有所變化，原則上是25-30%的回收料與75-70%的新料混合使用。</span> </p> <p> <span style="font-size:14px;font-family:"">3. 熱穩(wěn)定性：在210℃的溫度下停留60分鐘后再進行成型，成型出來的制品的拉伸強度幾乎沒有什么變化。具有良好的熱穩(wěn)定性。</span> </p> <p> <span style="font-size:14px;font-family:"">4. 注射機臺：用普通注射成型，合模力>成型品的投影面積x40-60MPa。</span> </p> <p> <span style="font-size:14px;font-family:"">5. 料筒容量：產(chǎn)品重量一般為料筒容量的40-80%。</span> </p> <p> <span style="font-size:14px;font-family:"">6. 噴嘴與閉鎖系統(tǒng)：可用開放式噴嘴，但為了防止流涎，比較好選用閉鎖式噴嘴。</span> </p> <p> <span style="font-size:14px;font-family:"">7. 螺桿：用標準型螺桿即可，壓縮比2.8-3.0:1，長徑比：18-22:1。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> POM板是一種沒有側(cè)鏈，高密度，高結(jié)晶性的共聚性聚合物，具有優(yōu)異的綜合性能。導電pom板價格</p><p style="text-indent:25px">POM聚甲醛板材俗稱賽鋼板。是用POM塑料粒子通過擠出機高溫擠出，經(jīng)過相應的模具口擠出得到不同厚度的板材。深圳耐摩擦pom板棒</p><p> <span style="font-size:14px;font-family:""> </span><span style="display:none;"></span><span style="font-size:14px;font-family:""> </span><span style="font-size:14px;font-family:"">pom材料</span><span style="font-size:14px;font-family:"">注塑成型注意事項之</span><span style="font-size:14px;font-family:"">模具設計：</span> </p> <p> <br /> </p> <p> <span style="font-size:14px;font-family:"">1. 鋼材：由于聚甲醛在成型時會分解出腐蝕性的氣體，或者玻璃纖維引起的磨損，所以模具材料的選擇需要考慮耐磨損性和耐腐蝕性兼?zhèn)涞哪＞卟牧稀＿M行氮化和淬火處理有利于增強耐磨性。</span> </p> <p> <span style="font-size:14px;font-family:"">2. 流道：建議使用圓形流道，如不能形成圓形流道，則建議用梯形流道，避免使用半圓形流道。流道的尺寸是盡可能大，流道分布需對稱。</span> </p> <p> <span style="font-size:14px;font-family:"">3. 澆口：厚度為成型品厚度的60-70%。寬度為澆口厚度的1-1.5倍。</span> </p> <p> <span style="font-size:14px;font-family:"">4. 拔模斜度：常用的拔模斜度為1°，下限為1/4-1/2°。</span> </p> <p> <span style="font-size:14px;font-family:"">5. 排氣口：可在成型品的外周設計1/100左右的粗糙表面，再設計1mm左右的排氣槽。</span> </p> <p> <span style="font-size:14px;font-family:""><br /> <br /> </span> </p> <span style="font-size:14px;font-family:""></span><span style="display:none;"></span> <p> <br /> 深圳耐摩擦pom板棒</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司一直專注于銷售：塑料制品、金屬制品、化工產(chǎn)品、電子元器件、儀器儀表、通訊設備及配件、五金、模具及配件、研磨材料、機電設備及配件。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動），是一家橡塑的企業(yè)，擁有自己獨立的技術(shù)體系。目前我公司在職員工以90后為主，是一個有活力有能力有創(chuàng)新精神的團隊。誠實、守信是對企業(yè)的經(jīng)營要求，也是我們做人的基本準則。公司致力于打造高品質(zhì)的POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛。公司力求給客戶提供全數(shù)良好服務，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經(jīng)過幾年的發(fā)展，已成為POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2251021.html</p></div></div></div></div></div><div id="aoeaymk" class="page-right twoColRt"><div id="2qoecqg" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wm2ge4w" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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