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class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366364118322/2174588.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="kcs89om" 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>深圳杜邦pom棒采購(gòu),pom</p><p><span>***更新：</span>2021-02-02 04:17:36</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="8zvcdye" 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="ibhdeup" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vi3vhdy" class="box"><p><p> <span style="font-family:"font-size:14px;"> </span><span style="font-size:14px;font-family:";"> </span><span style="font-size:14px;font-family:";">pom注塑成型的注意事項(xiàng)之</span><span style="font-size:14px;font-family:";">工藝條件：</span> </p><p><span style="font-size:14px;font-family:";">1，深圳杜邦pom棒采購(gòu). 料筒溫度：樹脂的熔點(diǎn)約165℃，實(shí)際成型時(shí)的比較好溫度是190-210℃，比較好是200-210℃。</span> </p><p><span style="font-size:14px;font-family:";">2. 模具溫度：標(biāo)準(zhǔn)模具溫度是60-80℃，根據(jù)成型品的特性，表面狀態(tài)、使用中尺寸的變化、成型周期等要求不同，需要調(diào)節(jié)模具溫度。有時(shí)為降低成型周期，深圳杜邦pom棒采購(gòu)，將模具溫度設(shè)定在30-40℃,但容易留下殘留應(yīng)變及得不到好的外觀。</span> </p><p><span style="font-size:14px;font-family:";">3. 注射壓力：應(yīng)考慮樹脂的流動(dòng)性，收縮性，成型品的物性等進(jìn)行設(shè)定。一般為98MPa以上。保壓壓力為49-98MPa。</span> </p><p><span style="font-size:14px;font-family:";">4. 注射速度：一般在5-50mm/s,但應(yīng)考慮成型品的形狀、壁厚、質(zhì)量要求、流道粗細(xì)、澆口尺寸等因素進(jìn)行設(shè)定。</span> </p><p><span style="font-size:14px;font-family:";">5. 背壓：為了計(jì)量穩(wěn)定化及防止發(fā)生注嘴的滴料現(xiàn)象，建議背壓設(shè)定為0.5-1.0MPa。</span> </p><p><span style="font-size:14px;font-family:";">6. 螺桿轉(zhuǎn)速：一般以100-150rpm 為宜。</span> </p><p><span style="font-family:"font-size:14px;">7. 成型收縮率：成型收縮率較大，可高達(dá)2-3.5%。</span> </p><p><span style="font-family:"font-size:14px;">8. 二次加工：可進(jìn)行雕刻，深圳杜邦pom棒采購(gòu)，攻絲，壓入，金屬嵌件，切削等二次加工。</span> 進(jìn)口POM棒相比國(guó)產(chǎn)POM來說，區(qū)別就是料更純一些，內(nèi)部雜質(zhì)更少，料的內(nèi)部無氣孔，而且是消除了應(yīng)力的。深圳杜邦pom棒采購(gòu)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳杜邦pom棒采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366364118322/2174588.png"></div><p> <span style="font-size:14px;"> <span style="font-family:"font-size:14px;"> </span></span><span style="font-size:14px;font-family:";">pom賽鋼棒的質(zhì)量怎樣來計(jì)算？</span><span style="font-size:14px;"><span style="font-family:"font-size:14px;">首先要把單位轉(zhuǎn)換成統(tǒng)一的單位，比如直徑是100毫米的賽鋼</span><span style="font-family:"font-size:14px;">棒，就是10厘米，一米等于100厘米，pom密度是0.00141克/立方厘米，算法是這樣，3.14*5*5*100*0.00141=11.0685。那么這天直徑100毫米長(zhǎng)度一米的pom棒的重量就是11公斤左右</span></span><span style="font-size:14px;font-family:";">，它的計(jì)算公式是重量=</span><span style="font-size:14px;font-family:";">半徑x半徑x長(zhǎng)度</span><span style="font-size:14px;font-family:";">x3.14x1.4÷1000，</span> </p> <p> <span style="font-size:14px;"><span style="font-family:"font-size:14px;">注：長(zhǎng)度一般為1米 1.4為賽鋼板的密度，</span><span style="font-family:"font-size:14px;">1.4的單位是克/立方厘米</span><span style="font-family:"font-size:14px;"></span></span> </p> <p> <span style="font-size:14px;font-family:";">例：一米30MM直徑的賽鋼重量</span> </p> <p> <span style="font-size:14px;font-family:";">解： 15x15x3.14x1x1.4÷1000=0.9891KG</span> </p> <p> <br /> 上海杜邦pom板生產(chǎn)廠家POM材料又稱賽鋼、特鋼。它是以醛類，外加其他助劑等為原料聚合所得的材料。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳杜邦pom棒采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418365473200368/2958693.png"></div><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></p><p style="text-indent:25px">pom塑料耐溫多少度？POM是結(jié)晶型塑料,密度為1.42g/cm3,它的鋼性很好,俗稱“賽鋼”。POM（聚甲醛）是一種光滑，有光澤，堅(jiān)硬且致密的材料，淡黃色或白色，可以在-50-110°C的溫度范圍內(nèi)長(zhǎng)時(shí)間使用。它的耐磨性和自潤(rùn)滑性也很出色，對(duì)大多數(shù)工程塑料而言，它具有良好的耐油性和抗過氧化物性能。非常耐酸，堿和紫外線輻射。熔點(diǎn)是：熔點(diǎn)175℃，軟化點(diǎn)：150℃，熱變形溫度HDT：155℃。總之，POM的高溫耐受性約為110℃，并且不超過軟化點(diǎn)。POM板內(nèi)應(yīng)力大，為防止應(yīng)力變形，加工前需經(jīng)過消除內(nèi)應(yīng)力處理，防止板材彎曲變形。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳杜邦pom棒采購(gòu),pom" src="https://tyunfile.71360.com/UploadFile/szdtm01/637418366303171085/4176517.png"></div> <span style="font-size:14px;font-family:"">POM塑料板材</span><span style="font-size:14px;font-family:"">跟PE塑料板材的區(qū)別在哪？</span><span style="color:#E53333;font-size:14px;font-family:"">POM（聚甲醛樹脂）定義：</span><span style="font-size:14px;font-family:"">聚甲du醛是一種沒有側(cè)鏈、高密度、高結(jié)zhi晶性的線型聚合物。按其分子鏈中化學(xué)結(jié)構(gòu)的不同，可分為均聚甲醛和共聚甲醛兩種。兩者的重要區(qū)別是：均聚甲醛密度、結(jié)晶度、熔點(diǎn)都高，但熱穩(wěn)定性差，加工溫度范圍窄（約10℃），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，不易分解，加工答蘆溫度范圍寬（約50℃），對(duì)酸堿穩(wěn)定性較好。是具有優(yōu)異的綜合性能的工程塑料。有良好的物理、機(jī)械和化學(xué)性能，尤其是有優(yōu)異的耐摩擦性能。俗稱賽鋼或奪鋼，為第三大通用塑料。適于制作減磨耐磨零件，傳動(dòng)零件，以及化工，儀表等零件。</span><span style="color:#E53333;font-size:14px;font-family:"">PE（聚乙烯簡(jiǎn)稱PE）</span><span style="font-size:14px;font-family:"">聚乙烯（polyethylene ，簡(jiǎn)稱PE）是乙烯經(jīng)聚合制得的一種熱塑性樹脂。在工業(yè)上，也包括乙烯與少量α-烯烴的共聚物。聚乙烯無臭，無毒，手感似蠟，具有優(yōu)良的耐低溫性能，化學(xué)穩(wěn)定性好，能耐大多數(shù)酸堿的侵蝕。常溫下不溶于一般溶劑，吸水性小，電絕緣性優(yōu)良。聚乙烯的租洞力學(xué)性能一清型帶般，拉伸強(qiáng)度較低，抗蠕變性不好，耐沖擊性好。聚乙烯可用吹塑、擠出、注射成型等方法加工，廣泛應(yīng)用于制造薄膜、中空制品、纖維和日用雜品等。</span> <p> <br /> pom板棒自從問世以來一直深受各大廠家的歡迎。深圳杜邦pom棒采購(gòu)</p><p style="text-indent:25px">pom優(yōu)點(diǎn)1、具高機(jī)械強(qiáng)度和剛性 2、比較高的疲勞強(qiáng)度 3、環(huán)境抵抗性、耐有機(jī)溶劑性佳 4、耐反覆沖擊性強(qiáng)。深圳杜邦pom棒采購(gòu)</p><p> <span style="font-size:14px;font-family:""> POM板棒改性研究的技術(shù)路線：</span> </p> <p> <span style="font-size:14px;font-family:""> 1、填充增強(qiáng)改性將無機(jī)材料如Al2O3、氧化鎂、玻璃纖維、碳纖維、玻璃微珠、云母、滑石粉、碳酸鈣、白炭黑、鈦酸鉀等通過熔融共混加入到聚甲醛中，從而提高聚甲醛的強(qiáng)度、剛度、硬度、熱變形溫度以及尺寸穩(wěn)定性。填充增強(qiáng)類聚甲醛主要應(yīng)用于制備機(jī)械結(jié)構(gòu)復(fù)雜、薄形精密零件及工程制品。</span> </p> <p> <span style="font-size:14px;font-family:""> 2、增韌共混改性以熱塑性聚氨酯（TPU）、丁腈橡膠（NBR）、改性聚烯烴、聚酰胺、木質(zhì)纖維素等作為彈性增韌體，采用機(jī)械共混和接枝共聚的方法制成超韌性POM合金。</span> </p> <p> <span style="font-size:14px;font-family:""> 3、功能化改性提高摩擦磨損性能在聚甲醛樹脂中加入有機(jī)油或硅油、聚四氟乙烯（PTFE）或二硫化鉬，可以達(dá)到降**品表面摩擦系數(shù)及磨損率的作用。潤(rùn)滑聚甲醛適用于機(jī)械、電子電器用零件的傳動(dòng)部位材料，如齒輪、滾輪、凸輪、連桿類制品。①添加PTFE、PE、UHMWPE等自身摩擦系數(shù)較低的結(jié)晶性高分子材料。②添加玻纖、碳纖等纖維狀材料。③添加硅油、礦物油、油脂等潤(rùn)滑油及潤(rùn)滑脂類。④添加MoS2、石墨等無機(jī)粉類潤(rùn)滑材料。⑤利用接枝、嵌段等手段在POM分子鏈上引入具有潤(rùn)滑性的鏈段。提高聚甲醛的耐候性在聚甲醛中加入抗氧劑及光穩(wěn)定劑可以提高聚甲醛的耐候性。</span> 深圳杜邦pom棒采購(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。多特瑪工程塑料致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來良好體驗(yàn)。多特瑪工程塑料創(chuàng)始人陳艷，始終關(guān)注客戶，創(chuàng)新科技，竭誠(chéng)為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/3120072.html</p></div></div></div></div></div><div id="l87ufal" class="page-right twoColRt"><div id="7cssdtu" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="vdek2sv" 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" 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