鎮(zhèn)江導(dǎo)電pom板采購(gòu) 來(lái)電咨詢蘇州多特瑪工程塑料供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content=" POM原料注塑成pom板棒過(guò)程中對(duì)溫度要求的注意事項(xiàng)：POM不易吸濕,吸水率為0.22～0.25%,在濕潤(rùn)的環(huán)境中尺寸穩(wěn)定性好,其收縮率為2.1%(較大),注塑時(shí)尺寸較難控制,熱變形溫度為17"><meta name="keywords" content="鎮(zhèn)江導(dǎo)電pom板采購(gòu),pom"><link rel="canonical" href="http://m.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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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>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>鎮(zhèn)江導(dǎo)電pom板采購(gòu),pom</p><p><span>***更新：</span>2020-12-04 15:54:59</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="22nkjxo" 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(jī): </span>0512-62381302</p><p><span>地址: </span>中國(guó)(江蘇)自由貿(mào)易試驗(yàn)區(qū)蘇州片區(qū)蘇州啟月街288號(hào)1商幢2-1005室</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="vhd9w9h" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="xqsho7a" class="box"><p><p style="text-indent:25px"><span style="font-size:14px;font-family:";"> POM原料注塑成pom板棒過(guò)程中</span><span style="font-size:14px;font-family:";">對(duì)溫度要求的注意事項(xiàng)：</span><span style="font-size:14px;font-family:";">POM不易吸濕,吸水率為0.22～0.25%,在濕潤(rùn)的環(huán)境中尺寸穩(wěn)定性好,其收縮率為2.1%(較大),注塑時(shí)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(diǎn))。留意事項(xiàng):生產(chǎn)應(yīng)繼續(xù)進(jìn)行，若停機(jī)，應(yīng)排空料筒中殘余料，以避免再升溫時(shí)材料分解及制品黑點(diǎn)產(chǎn)生。POM的成型溫度不許可超過(guò)240℃，在此溫度下物料很快會(huì)分解。物料不可在190℃以上的料筒內(nèi)停止時(shí)間太長(zhǎng)，否則也會(huì)引起物料分解。在包管制品格量和熔體活動(dòng)性的環(huán)境下，應(yīng)盡量選用較低的成型溫度和較短的成型周期，鎮(zhèn)江導(dǎo)電pom板采購(gòu)，鎮(zhèn)江導(dǎo)電pom板采購(gòu)。POM制品的后處理是以空氣或油作為介質(zhì)進(jìn)行的。溫度為140~150℃，時(shí)間3~5h，鎮(zhèn)江導(dǎo)電pom板采購(gòu)。</span>目前市面上POM半成品多使用POM-C共聚和POM-H+PTFE，POM-H+TF是用杜邦（DELRIN）原料加PTFE纖維擠出而成。鎮(zhèn)江導(dǎo)電pom板采購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江導(dǎo)電pom板采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366670993420/9564689.png"></div><p><span style="font-size:14px;font-family:";"> POM板棒改性的意義。POM在成形加工過(guò)程中極易結(jié)晶，生成尺寸較大的球晶，當(dāng)材料受到?jīng)_擊時(shí)，這些尺寸較大的球晶容易形成應(yīng)力集中點(diǎn)，造成材料的破壞，所以POM缺口敏感性大，缺口沖擊強(qiáng)度低，成型收縮率高，制品易產(chǎn)生內(nèi)應(yīng)力，難于緊密成型。這極大地限制了POM的使用范圍，在某些方面不能滿足工業(yè)要求，因此，為了更好地適應(yīng)高速、高壓、高溫、高負(fù)荷等苛刻的工作環(huán)境，進(jìn)一步擴(kuò)大POM的應(yīng)用范圍，需進(jìn)一步提高聚甲醛的沖擊韌性，耐熱和耐摩擦等性能。</span> </p><p><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";">所以POM改性研究的關(guān)鍵：</span> </p><p><span style="font-size:14px;font-family:";">①POM的物理改性關(guān)鍵在于復(fù)合體系相間的相容性，應(yīng)加大多功能增容劑的開發(fā)研究。新開發(fā)的凝膠體系及原位聚合離聚體增韌使復(fù)合體系形成穩(wěn)定互穿網(wǎng)絡(luò)，是解決相間相容性的新的研究方向。</span> </p><p><span style="font-size:14px;font-family:";">②POM的化學(xué)改性關(guān)鍵在于在合成過(guò)程中通過(guò)選擇共聚單體在分子鏈中引入多功能基團(tuán)，為進(jìn)一步的改性提供條件；調(diào)節(jié)共聚單體數(shù)量、優(yōu)化分子結(jié)構(gòu)的設(shè)計(jì)，合成系列化、功能化和高性能化POM。</span> 寧波高硬度pom棒材價(jià)格POM板所具有的良好特性，非常適合在自動(dòng)車床上機(jī)加工，特別適合用來(lái)制造精密零件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="鎮(zhèn)江導(dǎo)電pom板采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365889743358/844351.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(jié)構(gòu)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(zhǎng)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(shí)連續(xù)使用1000h。短時(shí)間可使用的溫度可達(dá)160℃。按美國(guó)UL規(guī)范，聚甲醛的長(zhǎng)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(xué)性能：共聚甲醛的抗化學(xué)性能佳，可以很好地抵抗有機(jī)類油脂及合成洗滌劑等各種化學(xué)藥品。</span> </p><p><span style="font-size:14px;font-family:";"> pom材料也有不可抵抗的化學(xué)物質(zhì)：強(qiáng)酸及強(qiáng)氧化劑，濃硝酸可以迅速侵蝕POM。全氟**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(zhǎng)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(duì)POM進(jìn)行消毒，毋使用**度伽瑪射線。</span></span> </p><p><span style="font-family:"font-size:14px;"></span> </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(shí)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(zhǎng)纖或短纖。</span> </p> <p> <span style="font-size:14px;font-family:";"> 在選用的時(shí)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(huì)變形；</span> </p> <p> <span style="font-family:";font-size:14px;">3.在材料強(qiáng)度方面：尼龍強(qiáng)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(qiáng)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(qiáng)度好耐溫好！POM剛性好耐磨好尺寸穩(wěn)定沖擊好！</span> pom賽鋼棒重量=半徑x半徑x長(zhǎng)度x3.14x1.4÷1000，把單位換成統(tǒng)一的單位，注：長(zhǎng)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="鎮(zhèn)江導(dǎo)電pom板采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365327809727/4930599.png"></div><p style="text-indent:25px"> <span style="font-size:14px;font-family:";"> </span> <span style="font-size:14px;font-family:";">塑料耐高溫網(wǎng)帶POM材質(zhì)的一般可以耐</span><span style="font-size:14px;font-family:";">高溫100-120度。 </span><span style="font-size:14px;font-family:";"><span style="font-size:14px;font-family:";">從</span><span style="font-size:14px;font-family:";">POM材質(zhì)性能</span><span style="font-size:14px;font-family:";">上面來(lái)說(shuō)，</span><span style="font-size:14px;font-family:";">POM是結(jié)晶型塑料,密度為1.42g/cm3,它的鋼性很好,俗稱“賽鋼”，</span><span style="font-size:14px;font-family:";">它具有耐疲勞、耐蠕變、耐磨、耐熱、耐沖擊等優(yōu)良的性能,且摩擦系數(shù)小,自潤(rùn)滑性好.</span><span style="font-size:14px;font-family:";"></span><span style="font-size:14px;font-family:";"></span><span style="font-size:14px;font-family:";">POM不易吸濕,吸水率為0.22～0.25%,在潮濕的環(huán)境中尺寸穩(wěn)定性好,其收縮率為2.1%(較大),注塑時(shí)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(diǎn)).，</span><span style="font-size:14px;font-family:";">因此</span></span><span style="font-size:14px;font-family:";">POM材料他可以長(zhǎng)期在-40°-160°的溫度下使用，一般的耐高溫網(wǎng)帶都要用高流動(dòng)性的料，耐溫在90-110度，具體的要</span><span style="font-size:14px;font-family:";">看你的產(chǎn)品要多高溫度下工作，</span><span style="font-size:14px;font-family:";">長(zhǎng)期使用溫度是120左右，</span><span style="font-size:14px;font-family:";">特殊改性的可以達(dá)到150左右。</span>聚甲醛的疲勞強(qiáng)度隨溫度的升高而降低，而且對(duì)缺口敏感，有缺口時(shí)的疲勞強(qiáng)度幾乎比無(wú)缺口時(shí)小1/2。上海本色pom板棒銷售廠家</p><p style="text-indent:25px">POM天生表面比尼龍光滑所以其耐磨性能比尼龍要好些,而其他一些性能比如耐熱,抗擊,耐候,機(jī)械等性能相當(dāng)。鎮(zhèn)江導(dǎo)電pom板采購(gòu)</p><p> <span style="font-family:"font-size:14px;"> 在pom實(shí)際運(yùn)用上面，通常都會(huì)聽到一個(gè)名詞叫玻纖增強(qiáng)pom?其實(shí)，所謂的玻纖增強(qiáng)pom，就是當(dāng)客戶對(duì)材料的沖擊強(qiáng)度和剛性有相對(duì)較高的要求時(shí)，就要考慮推薦增強(qiáng)填充級(jí)牌號(hào)，通過(guò)玻璃纖維進(jìn)行增強(qiáng)改性，來(lái)提高pom材料的機(jī)械性能。增強(qiáng)過(guò)后的POM聚甲醛因其機(jī)械性能得到較大的提高，所以在機(jī)械零部件、汽車工業(yè)等行業(yè)應(yīng)用大量的。并且增強(qiáng)后的pom產(chǎn)品是一種**高,高剛性材料,適宜于替代一些鋅,鋁或銅合金零件,是制作結(jié)構(gòu)件的理想材料.該材料用于注射轎車部件,如搖窗機(jī)導(dǎo)板,卷繩筒等.在電子電器行業(yè)中作錄音機(jī),錄像機(jī)機(jī)芯結(jié)構(gòu)件,制作高壓開關(guān)活門.潤(rùn)滑劑改性增強(qiáng)POM</span><span style="font-family:Microsoft YaHei;"><span style="font-family:"font-size:14px;"></span><span style="font-size:14px;font-family:";"></span></span><span style="font-family:"font-size:14px;">,適用制作各種運(yùn)動(dòng)齒輪,凸輪等耐磨件.</span> 鎮(zhèn)江導(dǎo)電pom板采購(gòu)</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司總部位于中國(guó)(江蘇)自由貿(mào)易試驗(yàn)區(qū)蘇州片區(qū)蘇州啟月街288號(hào)1商幢2-1005室，是一家銷售：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(shè)備及配件、五金、模具及配件、研磨材料、機(jī)電設(shè)備及配件。（依法須經(jīng)批準(zhǔn)的項(xiàng)目，經(jīng)相關(guān)部門批準(zhǔn)后方可開展經(jīng)營(yíng)活動(dòng)）的公司。多特瑪工程塑料擁有一支經(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POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛。多特瑪工程塑料不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺(tái)，以應(yīng)用為重點(diǎn)，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價(jià)值，提供更優(yōu)服務(wù)。多特瑪工程塑料始終關(guān)注橡塑市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://m.cdcfah.com/cp/2265185.html</p></div></div></div></div></div><div id="nrnnt9j" class="page-right twoColRt"><div id="vk2tu98" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rqskgam" class="recomPic 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