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href="http://m.cdcfah.com/cp/second-_xiangsu/">橡塑</a>?<a href="http://m.cdcfah.com/cp/third-xiangsu_slbslt/">塑料棒、塑料條</a>?揚州導電pom棒材采購 **** 蘇州多特瑪工程塑料供應</p><div id="37u774n" class="leftbox clearfix"><h1>揚州導電pom棒材采購 **** 蘇州多特瑪工程塑料供應</h1><div id="pls7k82" class="proBig"><div id="7m9229a" 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="es3zlco" 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="nbihq3q" 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)品關鍵詞：</span>揚州導電pom棒材采購,pom</p><p><span>***更新：</span>2020-12-07 04:25:11</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="88w9w4v" 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="emtvqsz" class="page-proshow02"><p class="title">詳細說明</p><div id="8cvrneg" class="box"><p><p> <span style="font-size:14px;font-family:";"> <span style="font-size:14px;font-family:";"> </span></span><span style="font-size:14px;font-family:";">pom材料和尼龍材料之間如何區(qū)分和如何選用？</span> </p> <p> <span style="font-size:14px;font-family:";"> 在區(qū)分的時候：</span> </p> <p> <span style="font-size:14px;font-family:";"> </span> </p> <p> <span style="font-size:14px;font-family:";">1.顏色不同：尼龍本色為象牙色，POM本色為白色。</span> </p> <p> <span style="font-size:14px;font-family:";">2.成分不同：POM是合成樹脂中的一種，又名聚甲醛樹脂、POM塑料、賽鋼料等；尼龍是聚酰胺纖維（錦綸）的一種俗稱，可制成長纖或短纖，揚州導電pom棒材采購。</span> </p> <p> <span style="font-size:14px;font-family:";"> 在選用的時候：</span> </p> <p> 加工尺寸穩(wěn)定性方面：POM好于尼龍； </p> <p> <span style="font-family:";font-size:14px;">2.在潮濕環(huán)境下：尼龍吸水性大尺寸會變形；</span> </p> <p> <span style="font-family:";font-size:14px;">3，揚州導電pom棒材采購，揚州導電pom棒材采購.在材料強度方面：尼龍強度好；</span> </p> <p> <span style="font-family:";font-size:14px;">4.密度：尼龍是1.14，POM是1.4；</span> </p> <p> <span style="font-family:";font-size:14px;">5.在高耐高溫上：尼龍好，比較高可到120度；</span> </p> <p> <span style="font-family:";font-size:14px;">6.在摩擦系數(shù)方面：POM??；</span> </p> <p> <span style="font-family:";font-size:14px;">7.在耐沖擊強度方面：POM好；</span> </p> <p> <span style="font-family:";font-size:14px;">8.在耐磨性方面：POM好。</span> </p> <p> <span style="font-family:";font-size:14px;">總之，尼龍吸水大耐磨一般強度好耐溫好！POM剛性好耐磨好尺寸穩(wěn)定沖擊好！</span> 自問世以來，POM已經(jīng)廣泛應用于電子電氣、機械、儀表、日用輕工、汽車、建材、農(nóng)業(yè)等領域。揚州導電pom棒材采購</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州導電pom棒材采購,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png"></div><p style="text-indent:25px"><span style="font-size:14px;font-family:";"> POM原料注塑成pom板棒過程中</span><span style="font-size:14px;font-family:";">對溫度要求的注意事項：</span><span style="font-size:14px;font-family:";">POM不易吸濕,吸水率為0.22～0.25%,在濕潤的環(huán)境中尺寸穩(wěn)定性好,其收縮率為2.1%(較大),注塑時尺寸較難控制,熱變形溫度為172℃,聚甲醛有均聚甲醛兩種,性能不同(均聚甲醛耐溫性好一點)。留意事項:生產(chǎn)應繼續(xù)進行，若停機，應排空料筒中殘余料，以避免再升溫時材料分解及制品黑點產(chǎn)生。POM的成型溫度不許可超過240℃，在此溫度下物料很快會分解。物料不可在190℃以上的料筒內(nèi)停止時間太長，否則也會引起物料分解。在包管制品格量和熔體活動性的環(huán)境下，應盡量選用較低的成型溫度和較短的成型周期。POM制品的后處理是以空氣或油作為介質(zhì)進行的。溫度為140~150℃，時間3~5h。</span>鎮(zhèn)江低變形pom賽鋼板哪家便宜由于POM結晶度高、體積收縮大，為防止制品出現(xiàn)空洞、凹痕等缺陷，必須要有足夠的保壓時間進行補縮。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州導電pom棒材采購,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637425964872198855/1192144.png"></div><p style="text-indent:25px"> pom材料制成的板材成型品在我們生活中非常常見，舉個列子---汽車保險杠支架，保險杠大家應該都知道，用于汽車碰撞保護，那么保險杠支架是什么呢？主要是為了起到固定支撐保險杠的作用嗎，目前不少汽車的保險杠支架選擇的是塑料材質(zhì)，因為可以減輕質(zhì)量的同時不會降低強度，需要材料具有很好的剛性?，F(xiàn)在國內(nèi)已經(jīng)有很多商家開始注意到汽車保險杠用pom材料了，因為保險杠選材中要注意幾點要求，1-良好的尺寸穩(wěn)定性，2-高機械強度，3-高沖擊強度，不易斷裂，4-良好的耐腐蝕性，5-可注塑性，由于保險杠支架需要有很好的機械強度和高抗沖擊特點，而pom料剛好可以滿足這些特性，因此拿來做保險杠未嘗不可。</p><p> 白色POM棒（白色聚甲醛結晶物)：英文名稱Polyoxymethylene，奪鋼棒、超鋼棒是用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棒材。是一種高硬度、高結晶性的熱塑性工程塑料。因POM棒所具有的良好特性，非常適合在自動車床上機加工，特別適合用來制造精密零件。白色POM棒耐有機溶劑，常溫不溶解，低溫性佳，熱變形溫度和PC/PTFE及尼龍相近，比PVC PS/PE高。壓縮強度高，僅次于玻璃纖維，耐磨及抗?jié)撟冃詢?yōu)異，高剛性機械強度及硬度，高尺寸及形狀安定。在-40℃尚維持韌性，滑動性良好，不吸水，耐磨抗化抗水解好，切削加工性佳。白色POM棒是一種通用型熱塑性工程塑料，具有優(yōu)良的機械性能，電性能、耐磨性能，尺寸穩(wěn)定性，耐化學腐蝕性，特別是耐疲勞型突出，并且自潤滑性良好，是替代金屬，特別是銅鋁、鋅等有色金屬及合金制品的理想工程塑料。 </p> <p> <br /> pom賽鋼棒重量=半徑x半徑x長度x3.14x1.4÷1000，把單位換成統(tǒng)一的單位，注：長度一般為1米1.4為賽鋼密度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚州導電pom棒材采購,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365327809727/4930599.png"></div><p> <span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";">pom板棒的一般性能：pom材料是一種半透明白色物料，,一般密度為1.41—1.43g/cm3，為緊固，剛硬而有彈性的物料，常稱為“賽鋼”，摩擦阻力低，pom板又稱為賽鋼板，pom棒又稱為賽鋼棒。</span> </p><p><span style="font-size:14px;font-family:";"><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";"> po</span></span><span style="font-size:14px;font-family:";">m板棒的熱性能：pom聚甲醛具有較高的熱變形溫度，均聚為136℃，共聚為110℃。但由于分子結構方面的差異，共聚甲醛反而有較高的連續(xù)使用溫度。一般而言均聚甲醛的長期使用溫度是100℃左右。而共聚甲醛可在114℃連續(xù)使用2000h，或在138℃時連續(xù)使用1000h。短時間可使用的溫度可達160℃。按美國UL規(guī)范，聚甲醛的長期耐熱溫度為85~105℃。</span> </p><p><span style="font-size:14px;font-family:";"> </span> </p><p><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";">pom材料具有可抵抗的化學性能：共聚甲醛的抗化學性能佳，可以很好地抵抗有機類油脂及合成洗滌劑等各種化學藥品。</span> </p><p><span style="font-size:14px;font-family:";"> pom材料也有不可抵抗的化學物質(zhì)：強酸及強氧化劑，濃硝酸可以迅速侵蝕POM。全氟丙酮能夠形成極稀的溶液。</span> </p><p><span style="font-size:14px;font-family:";"> pom材料的耐水解性：優(yōu)良的耐水解性能，可在80℃熱水中長期使用。</span> </p><p><span style="font-family:";"><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";"> pom材料的耐輻射性：若要對POM進行消毒，毋使用**度伽瑪射線。</span></span> </p><p><span style="font-family:"font-size:14px;"></span> pom一般是指聚甲醛塑料，俗稱賽鋼，為結晶性熱可塑性塑料，具dao明顯熔點65~175℃，性質(zhì)接近金屬。鎮(zhèn)江低變形pom賽鋼板哪家便宜</p><p style="text-indent:25px">POM低于其他許多工程塑料的成本，正在替代一些傳統(tǒng)上被金屬所占領的市場，如替代鋅、黃銅、鋁等許多部件。揚州導電pom棒材采購</p><p> <span style="font-size:16px;font-family:"Microsoft YaHei";">POM板材的擠出成型工藝：包括如下步驟：步驟1、成型前準備，包括：物料準備：將POM料與色母料按100:3.2的重量比例混合均勻；設備調(diào)整：將模具的分流壓縮區(qū)按進料口至擠出口方向分為前區(qū)與后區(qū)，將所述前區(qū)、后區(qū)同時加熱至以下各設定溫度：前區(qū)165℃～175℃，后區(qū)160℃～170℃，然后恒溫半小時；當所述前區(qū)、后區(qū)的溫度上升至各設定溫度的四分之三時，將料筒沿進料和輸出方向分為三個區(qū)，依次為熔融區(qū)、熔體輸送區(qū)、固體輸送區(qū)，對上述三個區(qū)加熱至以下各設定溫度：180℃～185℃，175℃～180℃，170℃～175℃，然后恒溫半小時；啟動主機，開動螺桿，調(diào)節(jié)螺桿轉速為3～4轉每分鐘；步驟2、塑化排氣：將混合好的物料加入料斗，使物料通過料斗進入料筒內(nèi)并在料筒內(nèi)塑化成熔體，塑化產(chǎn)生的氣體通過料筒上設計的排氣孔排出；步驟3、擠出成型：熔體進入模具型腔并從模具口擠出成型，調(diào)節(jié)螺桿轉速為10～12轉每分鐘，調(diào)節(jié)模具型腔內(nèi)壓力使熔體緊貼模具定徑內(nèi)壁；步驟4、切板：將冷卻成型的制品進行切割；步驟5、堆板：將切割好的制品放置于堆板架上；步驟6、烘烤：將堆板架上的制品放入烤箱烘烤。</span> 揚州導電pom棒材采購</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司位于中國(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，擁有一支專業(yè)的技術團隊。致力于創(chuàng)造***的產(chǎn)品與服務，以誠信、敬業(yè)、進取為宗旨，以建多特瑪產(chǎn)品為目標，努力打造成為同行業(yè)中具有影響力的企業(yè)。公司以用心服務為重點價值，希望通過我們的專業(yè)水平和不懈努力，將銷售：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)相關部門批準后方可開展經(jīng)營活動）等業(yè)務進行到底。多特瑪工程塑料始終以質(zhì)量為發(fā)展，把顧客的滿意作為公司發(fā)展的動力，致力于為顧客帶來***的POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2299127.html</p></div></div></div></div></div><div id="ih2bd8m" class="page-right twoColRt"><div id="h788892" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ra8ulrd" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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