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【海源】超高分子量聚乙烯襯板,特種工程塑料**

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商品信息

基本參數(shù)

品牌:

海源建材

所在地:

河南 安陽市

起訂:

≥1 平方米

供貨總量:

1000 平方米

有效期至:

長期有效

交貨地點:

全國物流

拉伸屈服強(qiáng)度:

好mPa
詳細(xì)說明
交貨地點 全國物流
拉伸屈服強(qiáng)度 好mPa
產(chǎn)地/廠家 河南
分子量 200萬-1020萬不等
厚度 0.5---300(mm)10-100(mm)
產(chǎn)地 河南
長度 1-7(m)
CAS 95268-62-5
用途級別 型材
品牌 海源
型號 超高分子量聚乙烯襯板
加工定制
特性級別 標(biāo)準(zhǔn)級

        
                    

                        UHMWPE SHEET(Ultra High Molecular Weight Polyethylene Sheet)UHMWPE SHEET
超高分子量聚乙烯UHMW-PE板材
     超高分子量聚乙烯UHMW-PE使用壽命高于鋼質(zhì),耐磨性是炭鋼及不銹鋼的4~7倍;摩擦系數(shù)小,自潤滑,不吸水、不粘結(jié)物料,抗沖擊性強(qiáng)度高,綜合機(jī)械性能好,耐酸、堿、鹽腐蝕、不老化,耐低溫,衛(wèi)生無毒,重量輕,比重是鋼材的1/8。因此,是用做散裝物料儲存及運輸設(shè)備襯里的最佳材料,如儲倉,流槽等,廣泛應(yīng)用在電力、鋼廠、煤礦等等行業(yè)中。                    

                    

                             我公司研發(fā)擁有自主知識產(chǎn)權(quán)的高新科技成果——復(fù)合增強(qiáng)高耐磨超高分子聚乙烯,分子量在300萬以上,實現(xiàn)了擠壓成型高耐磨管材、板材、托輥、棒材、異型材。
     這種高耐磨板材具有優(yōu)異的耐磨損性能,列世界先進(jìn)水平,可在輸送條件極為苛刻的場合下安裝應(yīng)用,如輸送礦石、焦煤等強(qiáng)磨損固體材料。在磨粒磨損過程中具有強(qiáng)力抗刨、抗削和抗犁的優(yōu)異功能,克服了單純或一般改性的超高分子量聚乙烯(UHMWPE)板材在磨粒磨損過程中易成裂縫而加速疲勞磨損的缺陷,填補(bǔ)了國內(nèi)空白。 同時,為適應(yīng)各種環(huán)境條件下的安裝應(yīng)用,可設(shè)計成拼裝連接結(jié)構(gòu)可按用戶要求定做,便于安裝維修。如操作條件十分困難的煤礦井下安裝料斗、溜槽,冶金行業(yè)的供料漏斗等的應(yīng)用,能徹底解決輸送過程中粘結(jié)和堵料這個老大難問題,實現(xiàn)安全、高效正常生產(chǎn)。                    

                    

                          主要特性: 
    耐磨性:
    UHMW-PE的耐磨性居塑料之冠并超過某些金屬,圖1為UHMW-PE與其它材料耐磨性比較,這樣高的耐磨性以至于用一般塑料磨耗實驗法難以測試其耐磨程度,因而采用砂漿磨耗測試裝置。UHMW-PE的耐磨性與分子量成正比隨著分子量的升高其耐磨性越好。                    

                    

                                             

                    

                             耐沖擊性:
    UHMW-PE的沖擊強(qiáng)度在所有工程塑料中名列前茅圖2表示為與其它工程塑料沖擊強(qiáng)度比較,從圖2可看出的耐沖擊性如此之高,以至于采用通常沖擊試驗方法難以使其斷裂破壞,其沖擊強(qiáng)度隨分子量的升高而提高,在分子量為150萬時達(dá)到最大值,然后隨分子量的繼續(xù)升高而逐漸下降。此外,它在反復(fù)沖擊后表面硬度更高。                    

                    

                                             

                    

                             自潤滑性:
     有極低的磨擦因數(shù)(0.05-0.11)故自潤滑性優(yōu)異,從表可以看出的動磨擦因數(shù)在水潤滑條件下是PA66和POM的1/2,在無潤滑條件下僅次于自潤滑最好的聚四氟乙烯(PTFE)當(dāng)它以滑動或轉(zhuǎn)動形勢工作時,比鋼和黃銅添加潤滑劑后的潤,肖性好,因此在磨擦學(xué)領(lǐng)域被譽(yù)為成本性能非常理想的磨擦材料。                    

                                        
                                                                        
                                                    名稱                                                                                                     動摩擦因數(shù)                                                
                                                    UHMW-PE                                                                                                     0.10~0.22                                                                                                     0.05~0.10                                                                                                     0.05~0.08                                                
                                                    PTFE                                                                                                     0.04~0.25                                                                                                     0.04~0.08                                                                                                     0.04~0.05                                                
                                                    PA66                                                                                                     0.15~0.40                                                                                                     0.14~0.19                                                                                                     0.06~0.11                                                
                                                    POM                                                                                                     0.15~0.35                                                                                                     0.10~0.20                                                                                                     0.05~0.10                                                
                                                                                                     自潤滑                                                                                                     水潤滑                                                                                                     油潤滑                                                

                                                                        
                                                    材料                                                                                                     UHMW-PE                                                                                                     PTFE                                                                                                     PA55                                                                                                     ABS                                                                                                     PC                                                
                                                    摩擦系數(shù)                                                                                                     0.07-0.11                                                                                                     0.04-0.1                                                                                                     0.37                                                                                                     0.38                                                                                                     0.36                                                

                                                                        
                                                    材料                                                                                                     橡皮-固體                                                                                                     石墨-石墨                                                                                                     玻璃-玻璃                                                                                                     鋼-鋼                                                                                                     玻璃-金屬                                                                                                     冰-冰                                                
                                                    摩擦系數(shù)                                                                                                     1~4                                                                                                     0.1                                                                                                     0.9~1                                                                                                     0.58                                                                                                     0.5~0.7                                                                                                     0.05~0.15                                                
                                
                    

                              耐化學(xué)藥品性:
     具有優(yōu)良的耐化學(xué)藥品性,除強(qiáng)氧化性酸液外,在一定溫度下和深度范圍內(nèi)能耐各種腐蝕性介質(zhì)如:(酸、堿、鹽)及有機(jī)介質(zhì)(荼溶劑除外)。其它20℃和80℃的80種有機(jī)溶劑中浸漬30天外表無任何反?,F(xiàn)象其它物理性能也幾乎沒有變化。                    

                    

                             沖擊能吸收性
     UHMW-PE具有優(yōu)異的沖擊能吸收性,沖擊能吸收值在所有的塑料中最高因而噪聲阻尼性很好,具有優(yōu)良的消音效果。                    

                    

                             耐低溫:
     UHMW-PE具有優(yōu)異的耐低溫性能,在液氦溫度(-269℃)下仍具有延展性,因而能夠用作核工業(yè)的耐低溫部件,值得指出的是,它在液氮中(-196℃)也能保持優(yōu)異的沖擊強(qiáng)度。這一特性是其它塑料所沒有的。                    

                    

                             衛(wèi)生無毒性:
     UHMW-PE衛(wèi)生無毒,完全符合日本衛(wèi)生協(xié)會的標(biāo)準(zhǔn),并得到美國食品及藥物行政管理局的美國農(nóng)業(yè)部認(rèn)可,可用于接觸食品和藥物。                    

                    

                             不粘性:
      UHMW-PE表面吸附力非常微弱,其抗粘附能力僅次于塑料中不粘性最好的PTEE,因而制品表面與其它材料不易粘附。                    

                    

                             憎水性:
     UHMW-PE吸水率很低,一般小于0.01%,為PA66的1%,因而成型加工前不必干燥,制品在潮濕環(huán)境中不會因吸濕而發(fā)生尺寸變化。                    

                                        
                                                                        
                                                    材料                                                                                                     UHMW-PE                                                                                                     PA66                                                                                                     PC                                                                                                     POM                                                                                                     ABS                                                                                                     PTFE                                                
                                                    吸水率                                                                                                     <0.01                                                                                                     1.5                                                                                                     0.15                                                                                                     0.25                                                                                                     0.20-0.45                                                                                                     <0.01                                                
                                
                    

                        
     密度:
     UHMW-PE比其它工程塑料的密度都低、因而其制品非常的輕便。                    

                                        
                                    名稱                                                                     PTFE                                                                     POM                                                                     PBTP                                                                     PC                                                                     PA                                                                     UHMW-PE                                
                                    相對密度                                                                     2.12                                                                     1.41                                                                     1.31                                                                     1.20                                                                     1.02-1.14                                                                     0.94                                
                                                                                                                                                                                                                                                                           
  
     其它性能:
     UHMW-PE還具有優(yōu)良的電氣像性能比HDPE更優(yōu)良耐環(huán)境應(yīng)力裂性比HDPE更好的耐疲勞性及耐射線能力。                    

                             不足之處:
     與其它工程塑料相比UHMW-PE耐熱性能和硬度偏低,但可以通過“填充”和“交聯(lián)”等改善。
                    

                    

                        各種材料性能對比:                    

                                        
                                    項目                                                                                                                                             試驗方法ASTM                                                                      單位                                                                      UHMW-PE                                                                      ABS                                                                      PA-66                                                                      PC                                                                      POM                                                                      PTFE                                 
                                    物理性能                                                                      密度                                                                      D1505                                                                      9/cm2                                                                      0.935                                                                      1.02~1.04                                                                      1.13~1.15                                                                      1.20                                                                      1.40                                                                      2.14~220                                 
                                    機(jī)械性能                                                                      斷裂強(qiáng)度                                                                      D638                                                                      N/cm2                                                                      2900                                                                      2450~4214                                                                      6174~8232                                                                      5488~6566                                                                      6860                                                                      1372~3430                                 
                                    斷裂伸長率                                                                      D638                                                                      %                                                                      350                                                                      5~60                                                                      60~300                                                                      100~130                                                                      75                                                                      200~400                                 
                                    沖擊強(qiáng)度(缺口)                                                                      D256                                                                      CJ.cm/cm2                                                                      沒破壞                                                                      160~440                                                                      60~110                                                                      710~950                                                                      80~130                                                                      160                                 
                                    硬度(洛氏)                                                                      D747                                                                                                                                             40                                                                      85~109                                                                      85~120                                                                      118                                                                      120                                                                      -                                 
                                    熱性能                                                                      熔點                                                                      D2117                                                                      ℃                                                                      136                                                                      -                                                                      225                                                                      240                                                                      166                                                                      -                                 
                                    維卡軟化點                                                                      D1525                                                                      ℃                                                                      134                                                                      -                                                                      -                                                                      -                                                                      -                                                                      -                                 
                                    熱變形溫度(0.46mpa)                                                                      D684                                                                      ℃                                                                      85                                                                      96~108                                                                      182~244                                                                      132~144                                                                      170                                                                      121                                 
                                    膨脹系數(shù)                                                                      D696                                                                      10-4/c                                                                      1.5                                                                      0.95~1.3                                                                      0.8                                                                      0.66                                                                      0.81                                                                      1.0                                 
                                    電性能                                                                      體積電阻                                                                      D257                                                                      SL-CM                                                                      1017-18                                                                      1015-16                                                                      1014-15                                                                      1016                                                                      1015                                                                      >1018                                 
                                    擊穿電壓                                                                      D149                                                                      kv/mm                                                                      50                                                                      14~20                                                                      15~19                                                                      16                                                                      15                                                                      20                                 
                                    介電常數(shù)                                                                      D150                                                                                                                                             2.3                                                                      2.4~3.8                                                                      3.4~3.6                                                                      2.96                                                                      3.7                                                                      >2.1                                 
                                    介電損耗角正切值                                                                      D150                                                                      104                                                                      2~3                                                                      70~150                                                                      400                                                                      90~100                                                                      48                                                                      <2                                 
                                    其它                                                                      吸水率                                                                      D570                                                                      %                                                                      <0.01                                                                      0.2~0.45                                                                      1.5                                                                      0.15                                                                      0.25                                                                      <0.01                                 
                    


                    

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                          板材規(guī)格:寬度250mm以內(nèi),厚度3mm以上,長度無限制,規(guī)格均可根據(jù)用戶需求定做,歡迎來函來電!                    

                
                                     
 
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