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","summary":"給水管","originalImgUrl":"/img/img-none-big.png","num":"0"},{"id":73,"pId":67,"name":"高密度聚乙烯(HDPE)排水、排汙管材係列","linkUrl":"/product/73/","targetType":false,"leaf":false,"img":"/img/img-none-big.png_{i}xaf.png","open":true,"listPageid":"","selected":false,"isParent":true,"children":[{"id":74,"pId":73,"name":"雙壁波紋管","linkUrl":"/product/74/","targetType":false,"leaf":false,"img":"/img/img-none-big.png_{i}xaf.png","open":true,"listPageid":"","selected":false,"isParent":true,"children":null,"content":"

雙壁波紋(wen)管

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非開(kai)挖(wa)排(pai)汙(wu)牽(qian)引管

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中空壁(bi)纏(chan)繞管

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內肋増強PE螺(luo)旋(xuan)波紋箮

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鋼帶(dai)増強(qiang)PE螺旋波(bo)紋管

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加(jia)筋纏繞(rao)波紋管

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高密(mi)度聚(ju)乙烯(xi)(HDPE)排水(shui)、排汙管材係列

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PE電力(li)、電纜(lan)、通信(xin)護(hu)套(tao)管

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MPP電(dian)力、電纜、通(tong)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(xi)列

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HDPE各種礦(kuang)用管

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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(gei)水管,塑(su)料(liao)管道正在穩(wen)步發展,PE管、PP-R管、UPVC管都占有一席之地,其中(zhong)PE管強勁(jin)的發(fa)展(zhan)勢(shi)頭(tou)最(zui)為(wei)令人矚目。PE管的(de)使(shi)用(yong)領域廣(guang)泛(fan)。其中(zhong)給(gei)水管和燃氣管是其兩個最大的應用市場。

PE樹(shu)脂(zhi)是由單體乙(yi)烯聚合而成,由於(yu)在聚合(he)時因壓力、溫度等聚合反(fan)應條(tiao)件(jian)不同,可(ke)得出(chu)不(bu)同密度的樹脂,因而(er)又有高(gao)密度聚乙烯、中密度聚乙烯和低密度(du)聚乙烯之分。在(zai)加工(gong)不同類型PE管材時,根(gen)據其應(ying)用條件的不同,選用樹脂牌號(hao)的不同(tong),同時對(dui)擠出機和模具(ju)的要(yao)求也有(you)所不同。

國(guo)際上把聚乙烯管的材料分(fen)為PE32、PE40、PE63、PE80、PE100五個(ge)等(deng)級,而用於燃氣管和給水管的材料主要是PE80和PE100。我(wo)國對聚乙烯管材(cai)專用料沒(mei)有分級(ji),這(zhe)使得國內(nei)聚乙烯燃氣管和給水管生產(chan)廠家(jia)選擇原(yuan)材料比較(jiao)困難,也(ye)給聚乙烯管材的使用帶來了(le)不小的隱患。

因(yin)此(ci)國家標準(zhun)局在GB/T13663-2018新標(biao)準中作了大(da)量的修訂(ding),規(gui)定(ding)了給水管的不同級別(bie)PE80和PE100對應不同的壓(ya)力強度,並(bing)且(qie)去掉(diao)舊標準中的拉(la)伸(shen)強度性能,而增(zeng)加了斷(duan)裂伸長率(lv)(大於350%),即強調(diao)基(ji)本(ben)韌性(xing)。編(bian)輯(ji) 播(bo)報

hdpe給水管管材是傳統的鋼鐵(tie)管材、聚氯文(wen)字(zi)乙烯飲(yin)用水管的換代產品(pin)。

hdpe給水管必須(xu)承受(shou)一定的壓力,通常(chang)要選用分子量大、機(ji)械性能較好的PE樹脂,如(ru)HDPE樹脂。LDPE樹脂的拉伸強度低(di),耐(nai)壓差,剛(gang)性差,成型加工時尺(chi)寸(cun)穩定性差,並且連(lian)接困(kun)難,不適(shi)宜(yi)作為給水壓力管的材料。但(dan)由(you)於其(qi)衛生(sheng)指(zhi)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(rong)粘度小,流動(dong)性好,易加工,因而對其熔體(ti)指數的選(xuan)擇範圍也較寬,通常MI在0.3-3g/10min之間。

廣東香蕉视频成人app管業有限公司

 

產品簡(jian)介
采(cai)用高密度聚乙烯經(jing)擠(ji)出塑化生產出PE管材,該管材逐(zhu)步取代了傳統(tong)鋼筋混凝(ning)土(tu)管和金屬管。
產品特(te)點(dian)
1、良(liang)好的衛生性能:PE管加工時(shi)不添(tian)加重金(jin)屬鹽,材質(zhi)無(wu)毒性,無結(jie)垢(gou)層,不滋生細(xi)菌,很好(hao)的解決了 城(cheng)市飲用水的二(er)次汙染(ran)
2、低溫抗(kang)衝擊性好:聚乙烯的低溫(wen)脆化(hua)溫度極低,可在0℃-40℃溫度範(fan)圍內安全使用。
3、抗應力開裂性好:具有低的缺口敏感性、高的剪切(qie)強度和優異(yi)的抗刮痕(hen)能力,耐環(huan)境(jing)應力開裂性能也非常突(tu)出。
4、耐化學腐蝕性好:可耐多(duo)種(zhong)化學(xue)介質的腐(fu)蝕(shi),不會發生腐爛、生鏽或電化學腐蝕現(xian)象(xiang),也不會促(cu)進(jin)藻(zao)類、細菌(jun)或(huo)真菌生長。
5、耐老(lao)化,使用壽命(ming)長:黑色(se)管道能(neng)夠(gou)在室外露(lu)天存(cun)放或使用,不會因遭受紫(zi)外線線輻射而損害。
6、耐磨(mo)性好:PE管道與鋼(gang)管的耐磨性對比試(shi)驗表明,PE管道的耐磨性為鋼管的4倍,具有更長的使用壽(shou)命和更好的經濟性。
7、可撓性好:容易彎(wan)曲(qu),工程上可通過(guo)改變管道走向的方式繞過障(zhang)礙(ai)物(wu),能夠減少管件用量並降低安(an)裝費(fei)用。
8、水流(liu)阻力小(xiao):具有光(guang)滑(hua)的內表麵(mian),其曼(man)寧係數為0.009,有更(geng)高的輸送能力,同時也降低了管路的壓力損(sun)失(shi)和輸水能耗。
9、搬運(yun)方便:比混(hun)凝土管道、鍍鋅(xin)管和鋼管更輕(qing),容(rong)易(yi)搬運和安裝,更低的人力和設備需(xu)求,意味著(zhu)工程的安裝費用的大大降低。
10、多種全(quan)新的施(shi)工方式(shi):具有多種施工技(ji)術,除(chu)了可以(yi)采用傳統的開挖方式進行(xing)施工外,還可以采用多種全新的非開挖技術(shu)如頂(ding)管、定向鑽(zuan)孔(kong)、襯管、裂(lie)管等方式進行施工。
應用領(ling)域
1、城鎮(zhen)供水;具有安全、衛(wei)生、施工方便(bian)等綜(zong)合優(you)勢,已成為城鎮(zhen)供水的理想管材。
2、食(shi)品、化工領域(yu);具有獨特的耐化學腐蝕性能,可用於各(ge)種酸堿(jian)鹽(yan)溶(rong)液的輸送(song)或排放(fang),使用壽命長,成本及維護費用低。
3、礦砂(sha)、泥漿輸(shu)送;耐磨性是鋼管的4倍(bei),可廣泛應用於輸送礦砂(sha)、發電廠的粉煤灰(hui)、河(he)道清淤的泥漿等。
4、置(zhi)換(huan)水泥(ni)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(jiu)管改造,可以不經過大麵積開挖,直(zhi)接(jie)將PE管插入(ru)舊管中進行更換,工程造價低,施工時間(jian)短,特別適用於老城區(qu)的管路(lu)改(gai)造。
5、園林(lin)綠化管網;園林綠(lv)化需要大量的輸水管道,PE管道成本低廉,值(zhi)得(de)大力推廣。
6、其它(ta)應用:PE管道還可以廣泛應用於其它領域,如電力、通訊護套、農田灌溉、虹吸(xi)排水、垃(la)圾(ji)填(tian)埋(mai)、地熱(re)空調、深(shen)海養殖(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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\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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髙密度聚乙烯(HDPE)/MPP電力、電纜、通信護套管係列(lie)

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HDPE各種礦用管

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