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class="content"><p><span>需求數量：</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>產品關鍵詞：</span>高抗沖pp塑膠原料廠家現貨,pp塑膠原料</p><p><span>***更新：</span>2021-01-30 06:14:38</p><p><span id="click" >瀏覽次數：2次</span></p><a rel="nofollow" class="button">聯系我們</a></div></div><div id="wvsuflh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆山雙贏塑化有限公司</a></p><p><span>聯系人：</span>陳田</p><p><span>郵箱: </span>1047570731@qq.com</p><p><span>電話: </span>15950904476</p><p><span>傳真: </span>0512_</p><p><span>網址: </span>http://sysh888.shop.88360.com</p><p><span>手機: </span>0512-15950904</p><p><span>地址: </span>昆山市東城大道龍城國際9號</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="ox7lr2o" class="page-proshow02"><p class="title">詳細說明</p><div id="kifrdwh" class="box"><p><p style="text-indent:25px">雙向拉伸PP膜簡寫B(tài)OPP或OPP，其生產工藝路線大致有以下三種:平膜同時雙向拉伸法:PP粒料經擠出機塑化后，從T型機單擠出厚片，厚度約0.8-1毫米，縱、橫向拉伸同時在拉幅機上進行，難度較大，用該法較少。平膜逐步雙向拉伸法:擠出厚片后，先經輥筒縱向拉伸，然后再經拉幅機橫向拉伸，拉伸40-50倍，膜厚約為15一50微米。該法較常用。泡管法同時雙向拉伸法:先制造厚管、厚度0.7-0，高抗沖pp塑膠原料廠家現貨.8毫米，高抗沖pp塑膠原料廠家現貨，然后用壓縮空氣吹脹，高抗沖pp塑膠原料廠家現貨，即橫向拉伸的同時，用牽伸輥進行縱向拉伸。該膜可用于包裝材料及電容器薄膜。熔噴料pp原料多數單螺桿是右旋螺紋，像木工和機器中使用的螺桿和螺栓。高抗沖pp塑膠原料廠家現貨</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高抗沖pp塑膠原料廠家現貨,pp塑膠原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637347475591250000/6594619.png"></div><p style="text-indent:25px">熔噴料pp原料具有相對密度低、機械性能好、易加工、沒有害、絕緣、耐熱、耐腐蝕等諸多優(yōu)良的性能，在汽車、工程建筑、生活用品等領域獲得了十分普遍的應用。但是由于熔噴料pp原料沖擊強度和熱變形溫度較低，抗老化、耐候、抗蠕變性較差，在一定程度上限制了其應用范圍。熔噴料pp原料是一種半結晶型聚合物，具有α、 β、γ、δ和擬六方 5 種晶體形態(tài)，通常情況下熔噴料pp原料自然冷卻后主要得到α晶型，且晶體尺寸較大。熔噴料pp原料的熔體流動性能通常采用熔體質量流動速率（MFR）來表示，MFR 越大，熔體黏度越小，流動性越好，反之亦然。廠家供應注塑級pppp塑膠原料什么價格由于結晶度較高，pp塑膠原料材料的表面剛度和抗劃痕特性很好。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高抗沖pp塑膠原料廠家現貨,pp塑膠原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637347475044892578/2096125.png"></div><p style="text-indent:25px">熔噴料pp原料為高彈熱塑性材料，它有良好的拉伸強度。也可以象乙丙橡膠一樣進行硫化。熔噴料pp原料為沒有害、無味的乳白色高結晶的聚合物，是目前所有塑料中較較輕的品種之一，對水特別穩(wěn)定，在水中14h的吸水率*為0.01%。分子量約8~15萬之間，成型性好。但因收縮率大，原壁制品易凹陷，制品表面光澤好，易于著色。PP的結晶度高，結構規(guī)整，因而具有優(yōu)良的力學性能，其強度和硬度、彈性都比高密度PE(HDPE)高。突出特點是抗彎曲疲勞性（7×10^7）次開閉的折選彎曲而無損壞痕跡，干摩擦系數與尼龍相似，但在油潤滑下不如尼龍。</p><p style="text-indent:25px">熔噴料pp原料的高頻絕緣性能優(yōu)良，由于它幾乎不吸水，故絕緣性能不受濕度的影響，有較高的介電系數，且隨溫度的上升，可以用來制作受熱的電氣絕緣制品，擊穿電壓也很高，適用作電器配件等?？?電壓、耐電弧性好，但靜電度高，與銅接觸易老化。對注塑機的選用沒有特殊要求。由于PP具有高結晶性，需采用注射壓力較高及可多段控制的電腦注塑機。鎖模力一般按3800t/㎡來確定，注射量20%-85%即可。如果儲存適當則不需要干燥處理。透明PP比普通PP、PVC、PET、PS更具特色，有更多優(yōu)點和開發(fā)前景。pp塑膠原料有更強的抗沖擊強度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="高抗沖pp塑膠原料廠家現貨,pp塑膠原料" src="https://tyunfile.71360.com/UploadFile/sysh888/637347474905839844/9067882.png"></div><p style="text-indent:25px">pp塑膠原料是一種簡單的單體(monomers)經由化學聚合反應(polymerization)而成的長鏈狀高分子聚合物(polymers)。pp塑膠原料大部分由碳、氧、氫和氮及其它有機或無機元素使用加熱、加壓、或兩者并用的方式聚合而成。pp塑膠原料能被造型，擠壓和塑鑄成各種形狀或薄膜，也可被拉成細絲用作紡織纖維。塑料中通常會添加塑化劑、安定劑、填充料或是其它改善性能及成形性等各類助劑以達到需要的目的。 pp塑膠原料利用塑膠之熱可塑性，先將塑料在料管電熱輔助下經螺桿回轉摩擦生熱、剪切稀化而熔。使其成為液體狀態(tài)。再經螺桿壓力注入設計之型腔內，經冷卻定型后取出而成各種特殊形狀的產品。熔噴料pp原料型芯溫度比型腔溫度低5℃以上。特種工程pp塑膠原料批發(fā)</p><p style="text-indent:25px">pp塑膠原料對于相同MFR的材料，共聚型的抗沖強度比均聚型的要高。高抗沖pp塑膠原料廠家現貨</p><p style="text-indent:25px">pp塑膠原料是由丙烯聚合而制得的一種熱塑性樹脂，系白色蠟狀材料，外觀透明而輕。其密度為0.89～0.91g/cm3，易燃，熔點165℃，在155℃左右軟化，使用溫度范圍為-30～140℃，在80℃以下能耐酸、堿、鹽液及多種有機溶劑的腐蝕，能在高溫和氧化作用下分解。pp塑膠原料按甲基排列位置分為等規(guī)pp塑膠原料（isotactic polypropylene）、無規(guī)pp塑膠原料（atactic polypropylene）和間規(guī)pp塑膠原料（syndiotactic polypropylene）三種。它多應用于纖維制品、醫(yī)療器械、汽車、輸送管道、化工容器等的生產，也用于食品、藥品的包裝。高抗沖pp塑膠原料廠家現貨</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3077136.html</p></div></div></div></div></div><div id="ehtamdp" class="page-right twoColRt"><div id="azvbium" class="box01 margin10 clearfix"><h3><a 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