南京克拉管供應商塑料(liao)波(bo)(bo)(bo)紋(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)制法簡樸，在有(you)些情況(kuang)下能(neng)夠代替(ti)金屬波(bo)(bo)(bo)紋(wen)管(guan)(guan)節約本錢，價格便宜(yi)，伸縮機(ji)能(neng)等(deng)(deng)特點凸起金屬波(bo)(bo)(bo)紋(wen)管(guan)(guan)根據(ju)加工(gong)(gong)形(xing)(xing)(xing)式(shi)的(de)(de)(de)(de)(de)(de)(de)不同可分為(wei)成形(xing)(xing)(xing)波(bo)(bo)(bo)紋(wen)管(guan)(guan)和焊接波(bo)(bo)(bo)紋(wen)管(guan)(guan)兩(liang)種形(xing)(xing)(xing)式(shi)。控制閥(fa)上(shang)的(de)(de)(de)(de)(de)(de)(de)波(bo)(bo)(bo)紋(wen)管(guan)(guan)所起的(de)(de)(de)(de)(de)(de)(de)作用只有(you)一個——隔(ge)離，主要分三種：一種是防(fang)止閥(fa)內(nei)(nei)介(jie)質(zhi)(zhi)(zhi)(zhi)擴散(san)到外界，就(jiu)(jiu)是針對閥(fa)門(men)內(nei)(nei)所流介(jie)質(zhi)(zhi)(zhi)(zhi)為(wei)化學(xue)性質(zhi)(zhi)(zhi)(zhi)活(huo)潑或(huo)有(you)毒有(you)害(hai)的(de)(de)(de)(de)(de)(de)(de)氣體、易(yi)揮發的(de)(de)(de)(de)(de)(de)(de)液體及(ji)珍貴的(de)(de)(de)(de)(de)(de)(de)介(jie)質(zhi)(zhi)(zhi)(zhi)，例如氯(lv)氣、硅(gui)粉等(deng)(deng)等(deng)(deng)。但是塑料(liao)波(bo)(bo)(bo)紋(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)應用受三個因素的(de)(de)(de)(de)(de)(de)(de)限制，一個是閥(fa)門(men)所處環境的(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)及(ji)介(jie)質(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)溫(wen)度(du)(du)，溫(wen)度(du)(du)太高輕易(yi)造(zao)成波(bo)(bo)(bo)紋(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)老化變(bian)形(xing)(xing)(xing)，所以它的(de)(de)(de)(de)(de)(de)(de)長期使用溫(wen)度(du)(du)一般不超過180°C，低溫(wen)情況(kuang)下沒有(you)詳細要求(qiu)；二(er)是受管(guan)(guan)道內(nei)(nei)壓(ya)力限制（一般選擇塑料(liao)波(bo)(bo)(bo)紋(wen)管(guan)(guan)的(de)(de)(de)(de)(de)(de)(de)工(gong)(gong)況(kuang)壓(ya)力不高于12公斤），壓(ya)力過高則會將閥(fa)門(men)內(nei)(nei)襯材(cai)料(liao)從閥(fa)門(men)內(nei)(nei)壁吸出，造(zao)成閥(fa)門(men)堵塞；另一個因素就(jiu)(jiu)是介(jie)質(zhi)(zhi)(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)化學(xue)性質(zhi)(zhi)(zhi)(zhi)，塑料(liao)波(bo)(bo)(bo)紋(wen)管(guan)(guan)可應用在甲酸、鹽酸、氯(lv)化物等(deng)(deng)強侵蝕(shi)性介(jie)質(zhi)(zhi)(zhi)(zhi)上(shang)，但是當介(jie)質(zhi)(zhi)(zhi)(zhi)是與(yu)其分子式(shi)相似的(de)(de)(de)(de)(de)(de)(de)介(jie)質(zhi)(zhi)(zhi)(zhi)時，就(jiu)(jiu)會發生相似相溶，此時不可應用，例如四氯(lv)化硅(gui)。。

hdpe波紋管補償器很多(duo)預應(ying)力(li)(li)結構(gou)承(cheng)受著外界(jie)嚴(yan)峻的影響，如除冰鹽或(huo)鹽水當后張構(gou)件由于防水層(ceng)的崩(beng)潰、微裂縫漏(lou)水和排水設施的阻(zu)塞或(huo)失(shi)效時，預應(ying)力(li)(li)筋(jin)就會(hui)或(huo)許受到(dao)腐蝕效果。塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)能為(wei)預應(ying)力(li)(li)筋(jin)供給一種遠遠優于金(jin)(jin)屬(shu)(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)的屏障維護效果，能避免有害物質穿(chuan)透管(guan)(guan)道的污染，然后保證(zheng)了(le)后張預應(ying)力(li)(li)結構(gou)具有更好(hao)的耐(nai)(nai)久性，　　同等條件下，SBG（B）塑(su)料(liao)波(bo)(bo)管(guan)(guan)預留孔道的摩(mo)擦(ca)系(xi)(xi)數(shu)顯著小(xiao)于金(jin)(jin)屬(shu)(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)預留孔道的摩(mo)擦(ca)系(xi)(xi)數(shu)，減小(xiao)了(le)張拉過程中(zhong)預應(ying)力(li)(li)的摩(mo)擦(ca)損失(shi)。一般地，塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)的摩(mo)擦(ca)系(xi)(xi)數(shu)取0.14，而(er)金(jin)(jin)屬(shu)(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)的摩(mo)擦(ca)系(xi)(xi)數(shu)取0.25。（0.2-0.25）公路橋規(gui)，誤(wu)差系(xi)(xi)數(shu)為(wei)0.0015，　　塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)的強度(du)高(gao)，不(bu)怕踩(cai)壓，不(bu)易被振搗捧(peng)鑿破，其密封(feng)性能和抗滲漏(lou)性能高(gao)于金(jin)(jin)屬(shu)(shu)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)，更適用于真空(kong)灌漿，　　塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)不(bu)導(dao)電(dian)，能夠避免雜散電(dian)流腐蝕，而(er)金(jin)(jin)屬(shu)(shu)是電(dian)的良導(dao)體，　　塑(su)料(liao)波(bo)(bo)紋(wen)(wen)(wen)(wen)管(guan)(guan)具有更好(hao)的耐(nai)(nai)勞(lao)性能，能大大提高(gao)構(gou)件的抗疲勞(lao)能力(li)(li)。。

南京鋼波管定制預(yu)(yu)(yu)應(ying)(ying)力(li)(li)塑(su)(su)料(liao)波(bo)(bo)紋(wen)管(guan)(guan)(guan)預(yu)(yu)(yu)留孔道(dao)的(de)(de)沖(chong)(chong)突(tu)系數(shu)明顯小于(yu)金(jin)屬(shu)波(bo)(bo)紋(wen)管(guan)(guan)(guan)預(yu)(yu)(yu)留孔道(dao)的(de)(de)沖(chong)(chong)突(tu)系數(shu)，減小了張拉過(guo)程中(zhong)預(yu)(yu)(yu)應(ying)(ying)力(li)(li)的(de)(de)沖(chong)(chong)突(tu)丟失一般(ban)地，塑(su)(su)料(liao)波(bo)(bo)紋(wen)管(guan)(guan)(guan)的(de)(de)沖(chong)(chong)突(tu)系數(shu)取(qu)0.14，而金(jin)屬(shu)波(bo)(bo)紋(wen)管(guan)(guan)(guan)的(de)(de)沖(chong)(chong)突(tu)系數(shu)取(qu)0.25；預(yu)(yu)(yu)應(ying)(ying)力(li)(li)塑(su)(su)料(liao)波(bo)(bo)紋(wen)管(guan)(guan)(guan)的(de)(de)強度高(gao)，不怕踩壓，不易被振搗捧鑿破，其(qi)密封功(gong)能(neng)(neng)和(he)抗滲(shen)漏功(gong)能(neng)(neng)高(gao)于(yu)金(jin)屬(shu)波(bo)(bo)紋(wen)管(guan)(guan)(guan)，更(geng)適(shi)用(yong)于(yu)真空灌漿(jiang)。預(yu)(yu)(yu)應(ying)(ying)力(li)(li)波(bo)(bo)紋(wen)管(guan)(guan)(guan)它(ta)(ta)的(de)(de)耐腐(fu)(fu)蝕(shi)功(gong)能(neng)(neng)遠遠優于(yu)金(jin)屬(shu)，不怕酸、堿腐(fu)(fu)蝕(shi)，它(ta)(ta)本身不腐(fu)(fu)蝕(shi)，能(neng)(neng)有效(xiao)地保護(hu)預(yu)(yu)(yu)應(ying)(ying)力(li)(li)筋(jin)不受腐(fu)(fu)蝕(shi)。許(xu)多預(yu)(yu)(yu)應(ying)(ying)力(li)(li)結(jie)構承受著外界嚴峻(jun)的(de)(de)影響，如除冰(bing)鹽或(huo)鹽水。當后(hou)張構件因為(wei)防水層的(de)(de)崩潰、微裂縫漏水和(he)排水設施的(de)(de)堵塞或(huo)失效(xiao)時，預(yu)(yu)(yu)應(ying)(ying)力(li)(li)筋(jin)就會可能(neng)(neng)受到腐(fu)(fu)蝕(shi)作用(yong)。。

預應力錨具加工改選用(yong)(yong)(yong)425普硅(gui)水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)，7天強度(du)(du)(du)z*大達(da)(da)到(dao)(dao)55MPa以上(shang)(shang)，因此(ci)，選用(yong)(yong)(yong)425普硅(gui)水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)即(ji)可(ke)達(da)(da)到(dao)(dao)要求　　　　2、真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)施(shi)工(gong)工(gong)藝　　　　（1）預應(ying)力(li)筋成孔(kong)(kong)(kong)管(guan)(guan)材預應(ying)力(li)混凝(ning)土(tu)構件(jian)中有(you)采用(yong)(yong)(yong)直束、彎曲和U型束等的(de)(de)(de)布(bu)筋方式(shi)，金屬(shu)波(bo)紋(wen)管(guan)(guan)在(zai)預應(ying)力(li)筋管(guan)(guan)成孔(kong)(kong)(kong)方面不能(neng)滿足小半徑的(de)(de)(de)彎曲及U型束的(de)(de)(de)布(bu)筋要求，故采用(yong)(yong)(yong)新型成孔(kong)(kong)(kong)材料mdash，mdash，塑料波(bo)紋(wen)管(guan)(guan)。與(yu)金屬(shu)波(bo)紋(wen)管(guan)(guan)相比，在(zai)強度(du)(du)(du)和耐腐蝕方面，有(you)更好(hao)(hao)的(de)(de)(de)保(bao)護作(zuo)用(yong)(yong)(yong)。　　　　（2）.施(shi)工(gong)步驟s*先，準備工(gong)作(zuo)　　　　①檢(jian)查(cha)確認(ren)材料數(shu)量(liang)(liang)，種類是(shi)否(fou)齊備，品質(zhi)是(shi)否(fou)保(bao)證(zheng)，②檢(jian)查(cha)機(ji)具(ju)是(shi)否(fou)齊備、完(wan)好(hao)(hao)，③檢(jian)查(cha)供水(shui)(shui)(shui)(shui)(shui)、供電(dian)是(shi)否(fou)齊全、方便，④按配(pei)方秤量(liang)(liang)漿(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)材料，減(jian)水(shui)(shui)(shui)(shui)(shui)劑s*先溶(rong)于(yu)一部(bu)分(fen)(fen)水(shui)(shui)(shui)(shui)(shui)，待用(yong)(yong)(yong)，⑤按圖(tu)所示連接(jie)裝好(hao)(hao)各(ge)部(bu)件(jian)。　　　　第二，試抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)：將(jiang)(jiang)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)(fa)(fa)、排(pai)(pai)氣(qi)閥(fa)(fa)(fa)全都(dou)關(guan)閉，抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)閥(fa)(fa)(fa)找(zhao)開，啟動真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)抽(chou)(chou)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)，觀察真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)壓(ya)(ya)力(li)表讀數(shu)，即(ji)管(guan)(guan)內(nei)(nei)的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)，當管(guan)(guan)內(nei)(nei)的(de)(de)(de)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)維持(chi)(chi)在(zai)時(shi)(shi)(shi)（壓(ya)(ya)力(li)盡量(liang)(liang)低為(wei)(wei)好(hao)(hao)），停泵(beng)(beng)約1分(fen)(fen)鐘(zhong)時(shi)(shi)(shi)間，若(ruo)壓(ya)(ya)力(li)能(neng)保(bao)持(chi)(chi)不變(bian)即(ji)可(ke)認(ren)為(wei)(wei)孔(kong)(kong)(kong)道(dao)能(neng)達(da)(da)到(dao)(dao)并維持(chi)(chi)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)。　　　　（3）攪(jiao)(jiao)(jiao)(jiao)拌(ban)水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)①攪(jiao)(jiao)(jiao)(jiao)拌(ban)水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)之(zhi)前要求，加(jia)水(shui)(shui)(shui)(shui)(shui)空(kong)(kong)(kong)(kong)(kong)轉數(shu)分(fen)(fen)鐘(zhong)，將(jiang)(jiang)積水(shui)(shui)(shui)(shui)(shui)倒(dao)凈，使(shi)攪(jiao)(jiao)(jiao)(jiao)拌(ban)機(ji)內(nei)(nei)壁充分(fen)(fen)濕潤。攪(jiao)(jiao)(jiao)(jiao)拌(ban)好(hao)(hao)的(de)(de)(de)灰漿(jiang)(jiang)(jiang)(jiang)(jiang)要做至(zhi)基本御盡。②裝料：s*先將(jiang)(jiang)稱量(liang)(liang)好(hao)(hao)的(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)（扣(kou)除(chu)用(yong)(yong)(yong)于(yu)溶(rong)化減(jian)水(shui)(shui)(shui)(shui)(shui)劑的(de)(de)(de)那部(bu)分(fen)(fen)水(shui)(shui)(shui)(shui)(shui)）、水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)、膨脹水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)、粉煤灰倒(dao)入攪(jiao)(jiao)(jiao)(jiao)拌(ban)機(ji)，攪(jiao)(jiao)(jiao)(jiao)拌(ban)2分(fen)(fen)鐘(zhong)，將(jiang)(jiang)溶(rong)于(yu)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)減(jian)水(shui)(shui)(shui)(shui)(shui)劑倒(dao)入攪(jiao)(jiao)(jiao)(jiao)拌(ban)機(ji)中，攪(jiao)(jiao)(jiao)(jiao)拌(ban)3分(fen)(fen)鐘(zhong)出(chu)料，水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)出(chu)料后應(ying)盡量(liang)(liang)馬上(shang)(shang)進行泵(beng)(beng)送，否(fou)則(ze)要不停地攪(jiao)(jiao)(jiao)(jiao)拌(ban)，必(bi)須(xu)嚴格控(kong)制用(yong)(yong)(yong)水(shui)(shui)(shui)(shui)(shui)量(liang)(liang)，否(fou)則(ze)多(duo)加(jia)的(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)全部(bu)泌出(chu)，易造(zao)成管(guan)(guan)道(dao)頂端(duan)有(you)空(kong)(kong)(kong)(kong)(kong)隙，對(dui)未及時(shi)(shi)(shi)使(shi)用(yong)(yong)(yong)而降低了流(liu)(liu)動性的(de)(de)(de)水(shui)(shui)(shui)(shui)(shui)泥(ni)(ni)漿(jiang)(jiang)(jiang)(jiang)(jiang)，嚴禁采用(yong)(yong)(yong)增加(jia)水(shui)(shui)(shui)(shui)(shui)的(de)(de)(de)辦法來增加(jia)灰漿(jiang)(jiang)(jiang)(jiang)(jiang)的(de)(de)(de)流(liu)(liu)動性。　　　　（4）灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)①將(jiang)(jiang)灰漿(jiang)(jiang)(jiang)(jiang)(jiang)加(jia)至(zhi)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)中，在(zai)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)的(de)(de)(de)高壓(ya)(ya)橡膠管(guan)(guan)出(chu)口打(da)出(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)，待這些漿(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)濃(nong)度(du)(du)(du)與(yu)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)中的(de)(de)(de)濃(nong)度(du)(du)(du)一樣時(shi)(shi)(shi)，關(guan)掉(diao)(diao)(diao)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)，將(jiang)(jiang)高壓(ya)(ya)橡膠管(guan)(guan)此(ci)端(duan)接(jie)至(zhi)孔(kong)(kong)(kong)道(dao)的(de)(de)(de)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)管(guan)(guan)上(shang)(shang)，扎(zha)牢。②關(guan)掉(diao)(diao)(diao)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)(fa)(fa)，啟動真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)，當真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)度(du)(du)(du)達(da)(da)到(dao)(dao)度(du)(du)(du)維持(chi)(chi)在(zai)-0.06～-0.09MPa值時(shi)(shi)(shi)，啟動灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)泵(beng)(beng)，打(da)開灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)(fa)(fa)，開始灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)，當漿(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)經過空(kong)(kong)(kong)(kong)(kong)氣(qi)濾清器時(shi)(shi)(shi)，關(guan)掉(diao)(diao)(diao)真(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)泵(beng)(beng)及抽(chou)(chou)氣(qi)閥(fa)(fa)(fa)，打(da)開排(pai)(pai)氣(qi)閥(fa)(fa)(fa)。③觀察排(pai)(pai)氣(qi)管(guan)(guan)的(de)(de)(de)出(chu)漿(jiang)(jiang)(jiang)(jiang)(jiang)情況，當漿(jiang)(jiang)(jiang)(jiang)(jiang)體(ti)稠度(du)(du)(du)和灌(guan)(guan)入之(zhi)稠度(du)(du)(du)一樣時(shi)(shi)(shi)，關(guan)掉(diao)(diao)(diao)排(pai)(pai)氣(qi)閥(fa)(fa)(fa)，仍繼續灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)2～分(fen)(fen)鐘(zhong)，使(shi)管(guan)(guan)道(dao)內(nei)(nei)有(you)一定的(de)(de)(de)壓(ya)(ya)力(li)，z*后關(guan)掉(diao)(diao)(diao)灌(guan)(guan)漿(jiang)(jiang)(jiang)(jiang)(jiang)閥(fa)(fa)(fa)。

非開挖當后(hou)張構件因(yin)為防(fang)水層的崩潰(kui)、微裂縫漏(lou)水和排(pai)水設(she)施的堵(du)塞或失(shi)效時，預應(ying)力筋就會可(ke)能受到腐蝕作用。

　　5.聚(ju)四(si)氟乙烯系列產(chan)(chan)品　　聚(ju)四(si)氟乙烯墊片具有耐高(gao)溫、抗腐蝕(shi)性(xing)，既便在高(gao)溫下與濃(nong)酸(suan)、堿或強氧(yang)化劑也(ye)不(bu)發生作(zuo)用(yong)，它(ta)已被廣泛(fan)地應(ying)用(yong)作(zuo)為密封(feng)(feng)材(cai)料，適(shi)用(yong)于(yu)管(guan)道、法(fa)蘭、反(fan)應(ying)釜、閥門(men)(men)及容(rong)器上的密封(feng)(feng)裝置(zhi)異型件(jian)根據(ju)用(yong)戶設(she)計圖紙(zhi)生產(chan)(chan)。　　6.各(ge)種異形(xing)雜件(jian)　　材(cai)質(zhi)選用(yong)丁(ding)晴(qing)、天然、氟膠(jiao)、硅膠(jiao)等，廣泛(fan)應(ying)用(yong)于(yu)汽車、機械、閥門(men)(men)等行業，選用(yong)不(bu)同的膠(jiao)種可滿足-50℃-250℃的溫度區域。產(chan)(chan)品耐磨、屈撓(nao)性(xing)能好，可根據(ju)需要要求制(zhi)作(zuo)設(she)計。。

PVC材(cai)料(liao)在實(shi)際使用中(zhong)經常加入穩定劑(ji)、潤滑(hua)劑(ji)、輔助加工劑(ji)、色(se)料(liao)、抗(kang)沖擊劑(ji)及其它添加劑(ji)具有不(bu)(bu)易(yi)燃性(xing)、高強度(du)、耐氣侯(hou)變化(hua)性(xing)以及優良的(de)(de)(de)幾何穩定性(xing)。PVC對(dui)氧化(hua)劑(ji)、還原劑(ji)和強酸(suan)都有很強的(de)(de)(de)抵(di)抗(kang)力。PVC接頭(tou)就(jiu)是PVC材(cai)質(zhi)的(de)(de)(de)接頭(tou)，這個只能(neng)是PVC材(cai)質(zhi)的(de)(de)(de)；2、PVC管(guan)(guan)(guan)(guan)(guan)接頭(tou)說明(ming)是PVC管(guan)(guan)(guan)(guan)(guan)件的(de)(de)(de)接頭(tou)，PVC管(guan)(guan)(guan)(guan)(guan)件可(ke)以根據不(bu)(bu)同用途而選擇不(bu)(bu)同材(cai)質(zhi)的(de)(de)(de)接頭(tou)。兩者之間本(ben)來就(jiu)沒有在一起(qi)比較(jiao)的(de)(de)(de)必(bi)要pvc穿(chuan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)規格(ge)：一、金屬(shu)管(guan)(guan)(guan)(guan)(guan)類1、普(pu)通碳素鋼電(dian)線(xian)(xian)套(tao)管(guan)(guan)(guan)(guan)(guan)（電(dian)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)）。2、金屬(shu)蛇(she)皮(pi)管(guan)(guan)(guan)(guan)(guan)（鍍鋅蛇(she)皮(pi)管(guan)(guan)(guan)(guan)(guan)、包(bao)塑金屬(shu)蛇(she)皮(pi)管(guan)(guan)(guan)(guan)(guan)、不(bu)(bu)銹鋼蛇(she)皮(pi)管(guan)(guan)(guan)(guan)(guan)）。二、塑料(liao)管(guan)(guan)(guan)(guan)(guan)類1、PVC（PVC-U）塑料(liao)電(dian)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)（硬管(guan)(guan)(guan)(guan)(guan)）。2、PE穿(chuan)線(xian)(xian)管(guan)(guan)(guan)(guan)(guan)（成(cheng)卷軟管(guan)(guan)(guan)(guan)(guan)）。3、塑料(liao)波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)（阻(zu)燃波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)、線(xian)(xian)束套(tao)管(guan)(guan)(guan)(guan)(guan)、高密(mi)度(du)波紋(wen)(wen)管(guan)(guan)(guan)(guan)(guan)、耐高溫護(hu)套(tao)管(guan)(guan)(guan)(guan)(guan)等）。三、陶瓷管(guan)(guan)(guan)(guan)(guan)類1、穿(chuan)線(xian)(xian)瓷套(tao)管(guan)(guan)(guan)(guan)(guan)。2、玻璃纖維編織絕緣(yuan)套(tao)管(guan)(guan)(guan)(guan)(guan)。