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hdpe給水管
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雙(shuang)壁(bi)波(bo)紋管

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非(fei)開(kai)挖排(pai)汙(wu)牽引管

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中(zhong)空(kong)壁纏繞(rao)管

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內(nei)肋増(zeng)強(qiang)PE螺(luo)旋波紋(wen)箮

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鋼(gang)帶(dai)増強PE螺旋(xuan)波紋管

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加(jia)筋纏(chan)繞波紋管

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高密度(du)聚(ju)乙(yi)烯(HDPE)排水(shui)、排汙管材(cai)係列

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PE電(dian)力、電纜(lan)、通信護套管

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MPP電力(li)、電纜、通信護套(tao)管

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髙密度聚乙烯(xi)(HDPE)/MPP電力、電纜、通信護(hu)套管係(xi)列

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HDPE各(ge)種礦(kuang)用(yong)管

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hdpe給水管

hdpe給水管必須承受一定的壓力,通常要選用分子量大、機械性能較好的PE樹脂,如HDPE樹脂。LDPE樹脂的拉伸強度低,耐壓差,剛性差,成型加工時尺寸穩定性差,並且連接困難,不適宜作為給水壓力管的材料。但由於其衛生指標較高,LDPE特別是LLDPE樹脂已成為生產飲用水管的常用材料。LDPE、LLDPE 樹脂的熔融粘度小,流動性好,易加工,因而對其熔體指數的選擇範圍也較寬,通常MI在0.3-3g/10min之間。
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PE給水管材
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產品描述

hdpe給水管,塑(su)料(liao)管道正(zheng)在穩步(bu)發展,PE管、PP-R管、UPVC管都(dou)占有(you)一(yi)席之地,其(qi)中PE管強勁的(de)發展(zhan)勢(shi)頭最為(wei)令(ling)人矚目。PE管的使用領(ling)域廣(guang)泛(fan)。其(qi)中給水管和燃氣管是其兩個最大的應用市場。

PE樹(shu)脂是由單(dan)體乙烯聚合而(er)成,由於(yu)在聚合時因壓力、溫(wen)度等聚合(he)反(fan)應條件(jian)不同,可得出(chu)不(bu)同密(mi)度的樹脂,因(yin)而又有高密度聚乙烯、中密度聚乙烯和(he)低密度聚乙烯之(zhi)分。在加工(gong)不同(tong)類型PE管材時,根據(ju)其應用條件的不同,選用樹脂牌(pai)號(hao)的不同,同時對(dui)擠出機和模具的要求(qiu)也有所(suo)不同。

國際上把聚乙烯管的材料分(fen)為PE32、PE40、PE63、PE80、PE100五(wu)個(ge)等(deng)級,而用於燃(ran)氣管和給水管的材料主要是PE80和PE100。我(wo)國對聚乙烯管材專用料沒(mei)有分級,這使(shi)得國內聚乙烯燃氣管和給水管生產(chan)廠家(jia)選擇原材料比(bi)較困難,也給聚乙烯管材的使用帶來了(le)不小(xiao)的隱患。

因此國(guo)家標準局在GB/T13663-2018新標(biao)準中作(zuo)了大(da)量的修訂,規定了給水管的不同級(ji)別PE80和PE100對應不同的壓力強度,並且去掉舊(jiu)標準中的拉(la)伸強度性能(neng),而增加了斷(duan)裂(lie)伸(shen)長率(大於350%),即(ji)強調基本(ben)韌(ren)性。編輯(ji) 播報(bao)

hdpe給水管管材是傳(chuan)統的鋼鐵(tie)管材、聚氯(lv)文字(zi)乙烯飲用水管的換代(dai)產品。

hdpe給水管必須承受(shou)一定的壓力,通(tong)常(chang)要選(xuan)用分子量大、機(ji)械性(xing)能較(jiao)好的PE樹脂,如HDPE樹脂。LDPE樹脂的拉伸強度低(di),耐(nai)壓(ya)差,剛性差,成型加工時尺寸穩定(ding)性差,並且(qie)連接困難,不適宜作為給水壓力管的材料。但由於其衛(wei)生指(zhi)標較高,LDPE特別(bie)是LLDPE樹脂(zhi)已(yi)成為生產飲用水管的常用材料。LDPE、LLDPE 樹脂的熔融粘(zhan)度小,流(liu)動性好,易(yi)加工,因而對其熔體指數的選擇(ze)範圍也(ye)較寬(kuan),通常MI在0.3-3g/10min之間(jian)。

廣東香蕉视频成人app管業有限公司

 

產品簡介(jie)
采(cai)用高密度聚乙烯經擠(ji)出塑化(hua)生產出PE管材,該管材逐步取代了傳統(tong)鋼筋(jin)混凝土(tu)管和金(jin)屬管。
產品特(te)點
1、良好(hao)的衛生性能:PE管加工時不添加重(zhong)金屬鹽,材質無(wu)毒性,無結(jie)垢(gou)層(ceng),不滋生細菌(jun),很好的解(jie)決了 城市飲用水的二次(ci)汙染
2、低溫抗衝擊(ji)性好:聚乙烯的低溫脆化溫度極(ji)低,可(ke)在0℃-40℃溫度範圍內安全使用。
3、抗應力開裂性好:具有低的缺口敏感性、高的剪(jian)切強度和優異的抗(kang)刮(gua)痕能力,耐環(huan)境應力開裂性能也非常突出。
4、耐化學(xue)腐(fu)蝕(shi)性好:可耐多種化學介質(zhi)的腐蝕,不會發(fa)生腐爛、生鏽或(huo)電化學腐蝕現象,也不會促(cu)進藻(zao)類、細(xi)菌或真菌生(sheng)長。
5、耐老化,使用壽(shou)命長:黑色(se)管道能夠在室(shi)外(wai)露天(tian)存(cun)放(fang)或使用,不會(hui)因遭(zao)受紫(zi)外線線輻射而損害。
6、耐磨性好:PE管道與鋼管的耐磨性對比試(shi)驗(yan)表明(ming),PE管道的耐磨(mo)性為鋼管的4倍(bei),具有更長(zhang)的使用壽命和更(geng)好的經(jing)濟性。
7、可撓性好:容(rong)易彎曲(qu),工程(cheng)上可通過改變管道走向(xiang)的方式(shi)繞過障礙物,能夠減(jian)少(shao)管件用量並(bing)降低安裝(zhuang)費用。
8、水流阻(zu)力小:具有光(guang)滑(hua)的內表麵(mian),其曼(man)寧(ning)係數為0.009,有更高的輸(shu)送(song)能力,同時(shi)也降低了管路的壓力損(sun)失(shi)和輸水能耗。
9、搬運方便(bian):比混(hun)凝土管道、鍍(du)鋅(xin)管和鋼管更輕,容易搬運和安裝,更低的人力和設(she)備(bei)需求,意味著工程的安(an)裝費用的大大降(jiang)低。
10、多種(zhong)全新的施(shi)工方式:具有多種施工技(ji)術,除了可以采用傳統的開挖(wa)方式進(jin)行施工外,還(hai)可以(yi)采用多種全新(xin)的非開挖技術如頂管、定向鑽孔、襯(chen)管、裂管等方式進行(xing)施工。
應用領域(yu)
1、城(cheng)鎮(zhen)供水;具有安全、衛生、施工方便等綜(zong)合優勢,已成為城(cheng)鎮(zhen)供水的理想管材。
2、食品(pin)、化工領域;具(ju)有獨特的耐化學腐蝕性能,可用於各種酸堿鹽(yan)溶(rong)液(ye)的輸送或排放,使用壽命長,成本及(ji)維(wei)護費用低。
3、礦砂、泥(ni)漿(jiang)輸送;耐磨性是鋼管的4倍,可廣泛應用於輸送礦砂(sha)、發電廠(chang)的粉煤灰、河道清淤的泥漿等。
4、置換水泥管、鑄(zhu)鐵管和鋼管;對於城市原有敷(fu)設的水泥管、鑄鐵管等進行舊管改造(zao),可以不經過大麵積開挖,直接將(jiang)PE管插入(ru)舊管中進行更換,工程造價低,施工時間短,特別適用於老城區的管路(lu)改造。
5、園林綠(lv)化管網(wang);園林(lin)綠化需要(yao)大量的輸水管道,PE管道成本低廉,值(zhi)得大力推(tui)廣。
6、其它應用:PE管道還可以廣泛應用於其它(ta)領域,如電力、通訊(xun)護套、農(nong)田灌溉、虹(hong)吸排水、垃圾填埋、地(di)熱空調、深海(hai)養殖(zhi)、埋地消(xiao)防管道等。

給水用聚乙烯(PE)管性能指標
項目 指標
產品外觀 管材內外表麵應清潔、光滑,不應有氣泡、明顯的劃傷、凹陷、雜質、顏色不均等缺陷。管材兩端應切割平整,並與管材軸線垂直。
靜液壓
強度
試驗條件 PE80環應力,MPa PE100環應力,MPa 無破壞,無滲漏
20℃靜液壓強度(100h) 10.0 12.0
80℃靜液壓強度(165h) 4.5 5.4
80℃靜液壓強度(1000h) 4.0 5.0
斷裂伸長率,% ≥350
縱向回縮率,110℃,% ≤3
氧化誘導時間,210℃,min ≥20
炭黑含量 2.0~2.5%
炭黑分散 ≤3級
關鍵詞:
hdpe給水管
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hdpe給水管
hdpe給水管必須承受一定的壓力,通常要選用分子量大、機械性能較好的PE樹脂,如HDPE樹脂。LDPE樹脂的拉伸強度低,耐壓差,剛性差,成型加工時尺寸穩定性差,並且連接困難,不適宜作為給水壓力管的材料。但由於其衛生指標較高,LDPE特別是LLDPE樹脂已成為生產飲用水管的常用材料。LDPE、LLDPE 樹脂的熔融粘度小,流動性好,易加工,因而對其熔體指數的選擇範圍也較寬,通常MI在0.3-3g/10min之間。
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雙壁波紋管

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非開挖排汙牽引管

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中空壁纏繞管

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內肋(le)増強PE螺旋波紋箮

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鋼帶増強PE螺旋波紋管

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加筋纏繞波紋管

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高密度聚乙烯(HDPE)排水、排汙管材係列

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\n","summary":"","originalImgUrl":"/img/img-none-big.png","num":"1"},{"id":82,"pId":80,"name":"MPP電力、電纜、通信護套管","linkUrl":"/product/82/","targetType":false,"leaf":false,"img":"/img/img-none-big.png_{i}xaf.png","open":true,"listPageid":"","selected":false,"isParent":true,"children":null,"content":"

MPP電力、電纜、通信護套管

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髙(gao)密度聚乙烯(HDPE)/MPP電力、電纜、通信護套管係列

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HDPE各種礦用管

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