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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="nqxp3wi" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365889743358/844351.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jy7srx9" 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>揚(yáng)州耐高溫pom棒材哪家便宜,pom</p><p><span>***更新：</span>2021-01-04 04:22:04</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="yht73tf" 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="adam5ri" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="zy8c4cj" class="box"><p><p style="text-indent:25px"> 聚甲醛pom有毒嗎？聚甲醛（POM）在注塑過程中會(huì)產(chǎn)生少量甲醛氣體，在正常生產(chǎn)條件下不會(huì)造成嚴(yán)重問題。然而，聚甲醛在220℃的溫度下經(jīng)歷熱降解，特別是當(dāng)其長(zhǎng)時(shí)間暴露于高溫時(shí)，并且容易產(chǎn)生大量的甲醛氣體。這種氣體有刺激性，可能對(duì)眼睛和喉嚨造成傷害。過量吸入會(huì)引起頭暈和惡心。在生產(chǎn)中，只要注意控制注塑機(jī)注射管的溫度，在短暫停機(jī)期間反復(fù)清空材料管，并且在關(guān)機(jī)期間必須關(guān)閉材料管的加熱以避免燃燒的材料和氣體。一旦排出氣體，撤離人員并保持通風(fēng)。本公司專業(yè)從事耐高溫POM、增韌POM、增強(qiáng)POM、耐候POM、擠出POM、耐磨POM、自潤(rùn)滑POM，揚(yáng)州耐高溫pom棒材哪家便宜、抗靜電POM等原材料板材及棒材的銷售，采購請(qǐng)致電蘇州多特瑪工程塑料有限公司，揚(yáng)州耐高溫pom棒材哪家便宜，聯(lián)系方式見此頁面左邊或右邊。pom板重量=密度*體積，揚(yáng)州耐高溫pom棒材哪家便宜，只要你知道POM板的密度和規(guī)格，那么它的重量=密度*長(zhǎng)*寬*高，就可以算出板材的重量。揚(yáng)州耐高溫pom棒材哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州耐高溫pom棒材哪家便宜,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365889743358/844351.png"></div><p> <span style="font-size:14px;font-family:";"> pom板棒的電性能：是電絕緣性能優(yōu)良的材料，其體積電阻率為1×1014Ω.cm，表面電阻率為1×1016Ω.cm，電氣強(qiáng)度>30MV/m，容易改性成導(dǎo)電及防靜電材料</span><span style="font-size:14px;font-family:";">，改性后的體積電阻率為1x10Ω.cm，具有良好的導(dǎo)電性能。</span> </p> <p> <span style="font-size:14px;font-family:";"> pom板棒的防火性能：其氧指數(shù)(LOI)為15%，較易燃燒，因此難于達(dá)到UL94V-0的阻燃等級(jí)。</span> </p> <p> <span style="font-size:14px;font-family:";"> pom板棒的耐候性：pom共聚甲醛的耐候性能優(yōu)于均聚甲醛，如添加UV穩(wěn)定劑的共聚甲醛具有更好的耐候性能，適合在戶外使用。抗熱老化性能優(yōu)良。</span> 鎮(zhèn)江批發(fā)pom賽鋼板采購防靜電POM就是在POM里加入了抗靜電劑，ESD225 POM板就是在POM里加入ESD225這種抗靜電材料加工制成的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州耐高溫pom棒材哪家便宜,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365269616381/8990943.png"></div><p> <span style="font-family:"Microsoft YaHei";font-size:16px;">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> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">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> <span style="font-size:16px;font-family:"Microsoft YaHei";">2、特點(diǎn)不同：POM塑料對(duì)酸堿穩(wěn)定性略低；而共聚甲醛密度、結(jié)晶度、熔點(diǎn)、強(qiáng)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(jiān)硬并且有更高的熔點(diǎn)。</span> </p> <p> <span style="font-size:16px;font-family:"Microsoft YaHei";">3、性能不同：PP的強(qiáng)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(qiáng)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(qiáng)后的力學(xué)性能可提高2～3倍，熱變形溫度提高50℃以上。</span> </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(xiàng)之</span><span style="font-size:14px;font-family:";">模具設(shè)計(jì)：</span><span style="font-family:";font-size:14px;">1. 鋼材：由于聚甲醛在成型時(shí)會(huì)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(jìn)行氮化和淬火處理有利于增強(qiáng)耐磨性。</span><span style="font-family:";font-size:14px;">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(duì)稱。</span><span style="font-family:";font-size:14px;">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><span style="font-family:";font-size:14px;">4. 拔模斜度：常用的拔模斜度為1°，下限為1/4-1/2°。</span><span style="font-family:";font-size:14px;">5. 排氣口：可在成型品的外周設(shè)計(jì)1/100左右的粗糙表面，再設(shè)計(jì)1mm左右的排氣槽。</span> </p> <p> <span style="font-size:14px;font-family:";"><br /> <br /> </span> POM熔體的流變性呈非牛頓型,其熔體的粘度對(duì) 溫度不敏感;對(duì)注塑而言,要增加流動(dòng)性能.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="揚(yáng)州耐高溫pom棒材哪家便宜,pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637425964443488953/4731518.png"></div><p> <span style="font-size:14px;font-family:";">pom注塑成型的注意事項(xiàng)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(shí)如含水量大于0.1%,則需進(jìn)行干燥，也有利于避免出現(xiàn)模垢現(xiàn)象，但對(duì)于一些填充品級(jí)，如碳纖維填充，導(dǎo)電品級(jí)，則必須進(jìn)行干燥，干燥條件為80-90℃，3~4小時(shí)。</span> </p> <p> <span style="font-size:14px;font-family:";">2. 回收利用：可以使用再生材料。回收料即使100%使用10次，其物性都基本上不會(huì)發(fā)生變化，但顏色會(huì)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(jìn)行成型，成型出來的制品的拉伸強(qiáng)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(jī)臺(tái)：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(biāo)準(zhǔn)型螺桿即可，壓縮比2.8-3.0:1，長(zhǎng)徑比：18-22:1。</span> </p> <p> 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)度幾乎比無缺口時(shí)小1/2。鎮(zhèn)江批發(fā)pom賽鋼板采購</p><p style="text-indent:25px">聚甲醛為高度結(jié)晶的樹脂，在熱塑性樹脂中尤其堅(jiān)韌。具抗熱強(qiáng)度，彎曲強(qiáng)度，耐磨性和電性能優(yōu)良。揚(yáng)州耐高溫pom棒材哪家便宜</p><p style="text-indent:25px"><span style="font-family:"Microsoft YaHei";font-size:14px;"> </span><span style="font-family:"Microsoft YaHei";font-size:14px;">POM賽鋼料產(chǎn)品表面用什么油墨印刷牢固？</span><span style="font-family:"Microsoft YaHei";font-size:14px;">POM賽鋼料系列油墨是采用高級(jí)進(jìn)口丙烯酸樹脂和高級(jí)顏料經(jīng)過細(xì)制研磨加工組合而成，適用于PA（尼龍）、POM（賽鋼）、電木、PBT、纖維合成、工程塑料、合成塑料等各種熱固性塑膠制品的絲印及移印，無需加固化劑，即可獲得優(yōu)異的附著力。</span><span style="font-family:"Microsoft YaHei";font-size:14px;">耐磨級(jí)POM主要是指填</span><span style="font-family:"Microsoft YaHei";font-size:14px;">充物為二硫化鉬、碳纖維</span><span style="font-family:"Microsoft YaHei";font-size:14px;">、玻璃纖維等，不同</span><span style="font-family:"Microsoft YaHei";font-size:14px;">填充物對(duì)應(yīng)的耐磨的特性也不同，有使產(chǎn)品表面更光滑降低摩擦力來提高耐磨性，也有改變材料分子結(jié)構(gòu)使其更加緊湊耐磨等，其作用跟pom板材表面噴涂油墨原理是一樣的，都是為了增加耐摩擦性。</span>揚(yáng)州耐高溫pom棒材哪家便宜</p><p style="text-indent:25px">蘇州多特瑪工程塑料有限公司致力于橡塑，是一家生產(chǎn)型公司。多特瑪工程塑料致力于為客戶提供良好的POM板 POM棒，PA板 PA棒，PEEK板 PEEK棒，工程塑料聚甲醛，一切以用戶需求為中心，深受廣大客戶的歡迎。公司秉持誠信為本的經(jīng)營(yíng)理念，在橡塑深耕多年，以技術(shù)為先導(dǎo)，以自主產(chǎn)品為重點(diǎn)，發(fā)揮人才優(yōu)勢(shì)，打造橡塑良好品牌。多特瑪工程塑料立足于全國(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: http://m.cdcfah.com/cp/2694886.html</p></div></div></div></div></div><div id="qpwystx" class="page-right twoColRt"><div id="wq8a4qh" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cwdauau" 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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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